| | 1 | | // |
| | 2 | | // Copyright (c) 2009-2024 Krueger Systems, Inc. |
| | 3 | | // |
| | 4 | | // Permission is hereby granted, free of charge, to any person obtaining a copy |
| | 5 | | // of this software and associated documentation files (the "Software"), to deal |
| | 6 | | // in the Software without restriction, including without limitation the rights |
| | 7 | | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| | 8 | | // copies of the Software, and to permit persons to whom the Software is |
| | 9 | | // furnished to do so, subject to the following conditions: |
| | 10 | | // |
| | 11 | | // The above copyright notice and this permission notice shall be included in |
| | 12 | | // all copies or substantial portions of the Software. |
| | 13 | | // |
| | 14 | | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| | 15 | | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| | 16 | | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| | 17 | | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| | 18 | | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| | 19 | | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| | 20 | | // THE SOFTWARE. |
| | 21 | | // |
| | 22 | | #if WINDOWS_PHONE && !USE_WP8_NATIVE_SQLITE |
| | 23 | | #define USE_CSHARP_SQLITE |
| | 24 | | #endif |
| | 25 | |
|
| | 26 | | using System; |
| | 27 | | using System.Collections; |
| | 28 | | using System.Diagnostics; |
| | 29 | | #if !USE_SQLITEPCL_RAW |
| | 30 | | using System.Runtime.InteropServices; |
| | 31 | | #endif |
| | 32 | | using System.Collections.Generic; |
| | 33 | | using System.Reflection; |
| | 34 | | using System.Linq; |
| | 35 | | using System.Linq.Expressions; |
| | 36 | | using System.Text; |
| | 37 | | using System.Threading; |
| | 38 | |
|
| | 39 | | #if USE_CSHARP_SQLITE |
| | 40 | | using Sqlite3 = Community.CsharpSqlite.Sqlite3; |
| | 41 | | using Sqlite3DatabaseHandle = Community.CsharpSqlite.Sqlite3.sqlite3; |
| | 42 | | using Sqlite3Statement = Community.CsharpSqlite.Sqlite3.Vdbe; |
| | 43 | | #elif USE_WP8_NATIVE_SQLITE |
| | 44 | | using Sqlite3 = Sqlite.Sqlite3; |
| | 45 | | using Sqlite3DatabaseHandle = Sqlite.Database; |
| | 46 | | using Sqlite3Statement = Sqlite.Statement; |
| | 47 | | #elif USE_SQLITEPCL_RAW |
| | 48 | | using Sqlite3DatabaseHandle = SQLitePCL.sqlite3; |
| | 49 | | using Sqlite3BackupHandle = SQLitePCL.sqlite3_backup; |
| | 50 | | using Sqlite3Statement = SQLitePCL.sqlite3_stmt; |
| | 51 | | using Sqlite3 = SQLitePCL.raw; |
| | 52 | | #else |
| | 53 | | using Sqlite3DatabaseHandle = System.IntPtr; |
| | 54 | | using Sqlite3BackupHandle = System.IntPtr; |
| | 55 | | using Sqlite3Statement = System.IntPtr; |
| | 56 | | #endif |
| | 57 | |
|
| | 58 | | #pragma warning disable 1591 // XML Doc Comments |
| | 59 | |
|
| | 60 | | namespace SQLite |
| | 61 | | { |
| | 62 | | public class SQLiteException : Exception |
| | 63 | | { |
| | 64 | | public SQLite3.Result Result { get; private set; } |
| | 65 | |
|
| | 66 | | protected SQLiteException (SQLite3.Result r, string message) : base (message) |
| | 67 | | { |
| | 68 | | Result = r; |
| | 69 | | } |
| | 70 | |
|
| | 71 | | public static SQLiteException New (SQLite3.Result r, string message) |
| | 72 | | { |
| | 73 | | return new SQLiteException (r, message); |
| | 74 | | } |
| | 75 | | } |
| | 76 | |
|
| | 77 | | public class NotNullConstraintViolationException : SQLiteException |
| | 78 | | { |
| | 79 | | public IEnumerable<TableMapping.Column> Columns { get; protected set; } |
| | 80 | |
|
| | 81 | | protected NotNullConstraintViolationException (SQLite3.Result r, string message) |
| | 82 | | : this (r, message, null, null) |
| | 83 | | { |
| | 84 | |
|
| | 85 | | } |
| | 86 | |
|
| | 87 | | protected NotNullConstraintViolationException (SQLite3.Result r, string message, TableMapping mapping, object obj) |
| | 88 | | : base (r, message) |
| | 89 | | { |
| | 90 | | if (mapping != null && obj != null) { |
| | 91 | | this.Columns = from c in mapping.Columns |
| | 92 | | where c.IsNullable == false && c.GetValue (obj) == null |
| | 93 | | select c; |
| | 94 | | } |
| | 95 | | } |
| | 96 | |
|
| | 97 | | public static new NotNullConstraintViolationException New (SQLite3.Result r, string message) |
| | 98 | | { |
| | 99 | | return new NotNullConstraintViolationException (r, message); |
| | 100 | | } |
| | 101 | |
|
| | 102 | | public static NotNullConstraintViolationException New (SQLite3.Result r, string message, TableMapping mapping, objec |
| | 103 | | { |
| | 104 | | return new NotNullConstraintViolationException (r, message, mapping, obj); |
| | 105 | | } |
| | 106 | |
|
| | 107 | | public static NotNullConstraintViolationException New (SQLiteException exception, TableMapping mapping, object obj) |
| | 108 | | { |
| | 109 | | return new NotNullConstraintViolationException (exception.Result, exception.Message, mapping, obj); |
| | 110 | | } |
| | 111 | | } |
| | 112 | |
|
| | 113 | | [Flags] |
| | 114 | | public enum SQLiteOpenFlags |
| | 115 | | { |
| | 116 | | ReadOnly = 1, ReadWrite = 2, Create = 4, |
| | 117 | | Uri = 0x40, Memory = 0x80, |
| | 118 | | NoMutex = 0x8000, FullMutex = 0x10000, |
| | 119 | | SharedCache = 0x20000, PrivateCache = 0x40000, |
| | 120 | | ProtectionComplete = 0x00100000, |
| | 121 | | ProtectionCompleteUnlessOpen = 0x00200000, |
| | 122 | | ProtectionCompleteUntilFirstUserAuthentication = 0x00300000, |
| | 123 | | ProtectionNone = 0x00400000 |
| | 124 | | } |
| | 125 | |
|
| | 126 | | [Flags] |
| | 127 | | public enum CreateFlags |
| | 128 | | { |
| | 129 | | /// <summary> |
| | 130 | | /// Use the default creation options |
| | 131 | | /// </summary> |
| | 132 | | None = 0x000, |
| | 133 | | /// <summary> |
| | 134 | | /// Create a primary key index for a property called 'Id' (case-insensitive). |
| | 135 | | /// This avoids the need for the [PrimaryKey] attribute. |
| | 136 | | /// </summary> |
| | 137 | | ImplicitPK = 0x001, |
| | 138 | | /// <summary> |
| | 139 | | /// Create indices for properties ending in 'Id' (case-insensitive). |
| | 140 | | /// </summary> |
| | 141 | | ImplicitIndex = 0x002, |
| | 142 | | /// <summary> |
| | 143 | | /// Create a primary key for a property called 'Id' and |
| | 144 | | /// create an indices for properties ending in 'Id' (case-insensitive). |
| | 145 | | /// </summary> |
| | 146 | | AllImplicit = 0x003, |
| | 147 | | /// <summary> |
| | 148 | | /// Force the primary key property to be auto incrementing. |
| | 149 | | /// This avoids the need for the [AutoIncrement] attribute. |
| | 150 | | /// The primary key property on the class should have type int or long. |
| | 151 | | /// </summary> |
| | 152 | | AutoIncPK = 0x004, |
| | 153 | | /// <summary> |
| | 154 | | /// Create virtual table using FTS3 |
| | 155 | | /// </summary> |
| | 156 | | FullTextSearch3 = 0x100, |
| | 157 | | /// <summary> |
| | 158 | | /// Create virtual table using FTS4 |
| | 159 | | /// </summary> |
| | 160 | | FullTextSearch4 = 0x200 |
| | 161 | | } |
| | 162 | |
|
| | 163 | | public interface ISQLiteConnection : IDisposable |
| | 164 | | { |
| | 165 | | Sqlite3DatabaseHandle Handle { get; } |
| | 166 | | string DatabasePath { get; } |
| | 167 | | int LibVersionNumber { get; } |
| | 168 | | bool TimeExecution { get; set; } |
| | 169 | | bool Trace { get; set; } |
| | 170 | | Action<string> Tracer { get; set; } |
| | 171 | | bool StoreDateTimeAsTicks { get; } |
| | 172 | | bool StoreTimeSpanAsTicks { get; } |
| | 173 | | string DateTimeStringFormat { get; } |
| | 174 | | TimeSpan BusyTimeout { get; set; } |
| | 175 | | IEnumerable<TableMapping> TableMappings { get; } |
| | 176 | | bool IsInTransaction { get; } |
| | 177 | |
|
| | 178 | | event EventHandler<NotifyTableChangedEventArgs> TableChanged; |
| | 179 | |
|
| | 180 | | void Backup (string destinationDatabasePath, string databaseName = "main"); |
| | 181 | | void BeginTransaction (); |
| | 182 | | void Close (); |
| | 183 | | void Commit (); |
| | 184 | | SQLiteCommand CreateCommand (string cmdText, params object[] ps); |
| | 185 | | SQLiteCommand CreateCommand (string cmdText, Dictionary<string, object> args); |
| | 186 | | int CreateIndex (string indexName, string tableName, string[] columnNames, bool unique = false); |
| | 187 | | int CreateIndex (string indexName, string tableName, string columnName, bool unique = false); |
| | 188 | | int CreateIndex (string tableName, string columnName, bool unique = false); |
| | 189 | | int CreateIndex (string tableName, string[] columnNames, bool unique = false); |
| | 190 | | int CreateIndex<T> (Expression<Func<T, object>> property, bool unique = false); |
| | 191 | | CreateTableResult CreateTable<T> (CreateFlags createFlags = CreateFlags.None); |
| | 192 | | CreateTableResult CreateTable (Type ty, CreateFlags createFlags = CreateFlags.None); |
| | 193 | | CreateTablesResult CreateTables<T, T2> (CreateFlags createFlags = CreateFlags.None) |
| | 194 | | where T : new() |
| | 195 | | where T2 : new(); |
| | 196 | | CreateTablesResult CreateTables<T, T2, T3> (CreateFlags createFlags = CreateFlags.None) |
| | 197 | | where T : new() |
| | 198 | | where T2 : new() |
| | 199 | | where T3 : new(); |
| | 200 | | CreateTablesResult CreateTables<T, T2, T3, T4> (CreateFlags createFlags = CreateFlags.None) |
| | 201 | | where T : new() |
| | 202 | | where T2 : new() |
| | 203 | | where T3 : new() |
| | 204 | | where T4 : new(); |
| | 205 | | CreateTablesResult CreateTables<T, T2, T3, T4, T5> (CreateFlags createFlags = CreateFlags.None) |
| | 206 | | where T : new() |
| | 207 | | where T2 : new() |
| | 208 | | where T3 : new() |
| | 209 | | where T4 : new() |
| | 210 | | where T5 : new(); |
| | 211 | | CreateTablesResult CreateTables (CreateFlags createFlags = CreateFlags.None, params Type[] types); |
| | 212 | | IEnumerable<T> DeferredQuery<T> (string query, params object[] args) where T : new(); |
| | 213 | | IEnumerable<object> DeferredQuery (TableMapping map, string query, params object[] args); |
| | 214 | | int Delete (object objectToDelete); |
| | 215 | | int Delete<T> (object primaryKey); |
| | 216 | | int Delete (object primaryKey, TableMapping map); |
| | 217 | | int DeleteAll<T> (); |
| | 218 | | int DeleteAll (TableMapping map); |
| | 219 | | int DropTable<T> (); |
| | 220 | | int DropTable (TableMapping map); |
| | 221 | | void EnableLoadExtension (bool enabled); |
| | 222 | | void EnableWriteAheadLogging (); |
| | 223 | | int Execute (string query, params object[] args); |
| | 224 | | T ExecuteScalar<T> (string query, params object[] args); |
| | 225 | | T Find<T> (object pk) where T : new(); |
| | 226 | | object Find (object pk, TableMapping map); |
| | 227 | | T Find<T> (Expression<Func<T, bool>> predicate) where T : new(); |
| | 228 | | T FindWithQuery<T> (string query, params object[] args) where T : new(); |
| | 229 | | object FindWithQuery (TableMapping map, string query, params object[] args); |
| | 230 | | T Get<T> (object pk) where T : new(); |
| | 231 | | object Get (object pk, TableMapping map); |
| | 232 | | T Get<T> (Expression<Func<T, bool>> predicate) where T : new(); |
| | 233 | | TableMapping GetMapping (Type type, CreateFlags createFlags = CreateFlags.None); |
| | 234 | | TableMapping GetMapping<T> (CreateFlags createFlags = CreateFlags.None); |
| | 235 | | List<SQLiteConnection.ColumnInfo> GetTableInfo (string tableName); |
| | 236 | | int Insert (object obj); |
| | 237 | | int Insert (object obj, Type objType); |
| | 238 | | int Insert (object obj, string extra); |
| | 239 | | int Insert (object obj, string extra, Type objType); |
| | 240 | | int InsertAll (IEnumerable objects, bool runInTransaction = true); |
| | 241 | | int InsertAll (IEnumerable objects, string extra, bool runInTransaction = true); |
| | 242 | | int InsertAll (IEnumerable objects, Type objType, bool runInTransaction = true); |
| | 243 | | int InsertOrReplace (object obj); |
| | 244 | | int InsertOrReplace (object obj, Type objType); |
| | 245 | | List<T> Query<T> (string query, params object[] args) where T : new(); |
| | 246 | | List<object> Query (TableMapping map, string query, params object[] args); |
| | 247 | | List<T> QueryScalars<T> (string query, params object[] args); |
| | 248 | | void ReKey (string key); |
| | 249 | | void ReKey (byte[] key); |
| | 250 | | void Release (string savepoint); |
| | 251 | | void Rollback (); |
| | 252 | | void RollbackTo (string savepoint); |
| | 253 | | void RunInTransaction (Action action); |
| | 254 | | string SaveTransactionPoint (); |
| | 255 | | TableQuery<T> Table<T> () where T : new(); |
| | 256 | | int Update (object obj); |
| | 257 | | int Update (object obj, Type objType); |
| | 258 | | int UpdateAll (IEnumerable objects, bool runInTransaction = true); |
| | 259 | | } |
| | 260 | |
|
| | 261 | | /// <summary> |
| | 262 | | /// An open connection to a SQLite database. |
| | 263 | | /// </summary> |
| | 264 | | [Preserve (AllMembers = true)] |
| | 265 | | public partial class SQLiteConnection : ISQLiteConnection |
| | 266 | | { |
| | 267 | | private bool _open; |
| | 268 | | private TimeSpan _busyTimeout; |
| | 269 | | readonly static Dictionary<string, TableMapping> _mappings = new Dictionary<string, TableMapping> (); |
| | 270 | | private System.Diagnostics.Stopwatch _sw; |
| | 271 | | private long _elapsedMilliseconds = 0; |
| | 272 | |
|
| | 273 | | private int _transactionDepth = 0; |
| | 274 | | private Random _rand = new Random (); |
| | 275 | |
|
| | 276 | | public Sqlite3DatabaseHandle Handle { get; private set; } |
| | 277 | | static readonly Sqlite3DatabaseHandle NullHandle = default (Sqlite3DatabaseHandle); |
| | 278 | | static readonly Sqlite3BackupHandle NullBackupHandle = default (Sqlite3BackupHandle); |
| | 279 | |
|
| | 280 | | /// <summary> |
| | 281 | | /// Gets the database path used by this connection. |
| | 282 | | /// </summary> |
| | 283 | | public string DatabasePath { get; private set; } |
| | 284 | |
|
| | 285 | | /// <summary> |
| | 286 | | /// Gets the SQLite library version number. 3007014 would be v3.7.14 |
| | 287 | | /// </summary> |
| | 288 | | public int LibVersionNumber { get; private set; } |
| | 289 | |
|
| | 290 | | /// <summary> |
| | 291 | | /// Whether Trace lines should be written that show the execution time of queries. |
| | 292 | | /// </summary> |
| | 293 | | public bool TimeExecution { get; set; } |
| | 294 | |
|
| | 295 | | /// <summary> |
| | 296 | | /// Whether to write queries to <see cref="Tracer"/> during execution. |
| | 297 | | /// </summary> |
| | 298 | | public bool Trace { get; set; } |
| | 299 | |
|
| | 300 | | /// <summary> |
| | 301 | | /// The delegate responsible for writing trace lines. |
| | 302 | | /// </summary> |
| | 303 | | /// <value>The tracer.</value> |
| | 304 | | public Action<string> Tracer { get; set; } |
| | 305 | |
|
| | 306 | | /// <summary> |
| | 307 | | /// Whether to store DateTime properties as ticks (true) or strings (false). |
| | 308 | | /// </summary> |
| | 309 | | public bool StoreDateTimeAsTicks { get; private set; } |
| | 310 | |
|
| | 311 | | /// <summary> |
| | 312 | | /// Whether to store TimeSpan properties as ticks (true) or strings (false). |
| | 313 | | /// </summary> |
| | 314 | | public bool StoreTimeSpanAsTicks { get; private set; } |
| | 315 | |
|
| | 316 | | /// <summary> |
| | 317 | | /// The format to use when storing DateTime properties as strings. Ignored if StoreDateTimeAsTicks is true. |
| | 318 | | /// </summary> |
| | 319 | | /// <value>The date time string format.</value> |
| | 320 | | public string DateTimeStringFormat { get; private set; } |
| | 321 | |
|
| | 322 | | /// <summary> |
| | 323 | | /// The DateTimeStyles value to use when parsing a DateTime property string. |
| | 324 | | /// </summary> |
| | 325 | | /// <value>The date time style.</value> |
| | 326 | | internal System.Globalization.DateTimeStyles DateTimeStyle { get; private set; } |
| | 327 | |
|
| | 328 | | #if USE_SQLITEPCL_RAW && !NO_SQLITEPCL_RAW_BATTERIES |
| | 329 | | static SQLiteConnection () |
| | 330 | | { |
| | 331 | | SQLitePCL.Batteries_V2.Init (); |
| | 332 | | } |
| | 333 | | #endif |
| | 334 | |
|
| | 335 | | /// <summary> |
| | 336 | | /// Constructs a new SQLiteConnection and opens a SQLite database specified by databasePath. |
| | 337 | | /// </summary> |
| | 338 | | /// <param name="databasePath"> |
| | 339 | | /// Specifies the path to the database file. |
| | 340 | | /// </param> |
| | 341 | | /// <param name="storeDateTimeAsTicks"> |
| | 342 | | /// Specifies whether to store DateTime properties as ticks (true) or strings (false). You |
| | 343 | | /// absolutely do want to store them as Ticks in all new projects. The value of false is |
| | 344 | | /// only here for backwards compatibility. There is a *significant* speed advantage, with no |
| | 345 | | /// down sides, when setting storeDateTimeAsTicks = true. |
| | 346 | | /// If you use DateTimeOffset properties, it will be always stored as ticks regardingless |
| | 347 | | /// the storeDateTimeAsTicks parameter. |
| | 348 | | /// </param> |
| | 349 | | public SQLiteConnection (string databasePath, bool storeDateTimeAsTicks = true) |
| | 350 | | : this (new SQLiteConnectionString (databasePath, SQLiteOpenFlags.ReadWrite | SQLiteOpenFlags.Create, storeDateTim |
| | 351 | | { |
| | 352 | | } |
| | 353 | |
|
| | 354 | | /// <summary> |
| | 355 | | /// Constructs a new SQLiteConnection and opens a SQLite database specified by databasePath. |
| | 356 | | /// </summary> |
| | 357 | | /// <param name="databasePath"> |
| | 358 | | /// Specifies the path to the database file. |
| | 359 | | /// </param> |
| | 360 | | /// <param name="openFlags"> |
| | 361 | | /// Flags controlling how the connection should be opened. |
| | 362 | | /// </param> |
| | 363 | | /// <param name="storeDateTimeAsTicks"> |
| | 364 | | /// Specifies whether to store DateTime properties as ticks (true) or strings (false). You |
| | 365 | | /// absolutely do want to store them as Ticks in all new projects. The value of false is |
| | 366 | | /// only here for backwards compatibility. There is a *significant* speed advantage, with no |
| | 367 | | /// down sides, when setting storeDateTimeAsTicks = true. |
| | 368 | | /// If you use DateTimeOffset properties, it will be always stored as ticks regardingless |
| | 369 | | /// the storeDateTimeAsTicks parameter. |
| | 370 | | /// </param> |
| | 371 | | public SQLiteConnection (string databasePath, SQLiteOpenFlags openFlags, bool storeDateTimeAsTicks = true) |
| | 372 | | : this (new SQLiteConnectionString (databasePath, openFlags, storeDateTimeAsTicks)) |
| | 373 | | { |
| | 374 | | } |
| | 375 | |
|
| | 376 | | /// <summary> |
| | 377 | | /// Constructs a new SQLiteConnection and opens a SQLite database specified by databasePath. |
| | 378 | | /// </summary> |
| | 379 | | /// <param name="connectionString"> |
| | 380 | | /// Details on how to find and open the database. |
| | 381 | | /// </param> |
| | 382 | | public SQLiteConnection (SQLiteConnectionString connectionString) |
| | 383 | | { |
| | 384 | | if (connectionString == null) |
| | 385 | | throw new ArgumentNullException (nameof (connectionString)); |
| | 386 | | if (connectionString.DatabasePath == null) |
| | 387 | | throw new InvalidOperationException ("DatabasePath must be specified"); |
| | 388 | |
|
| | 389 | | DatabasePath = connectionString.DatabasePath; |
| | 390 | |
|
| | 391 | | LibVersionNumber = SQLite3.LibVersionNumber (); |
| | 392 | |
|
| | 393 | | #if NETFX_CORE |
| | 394 | | SQLite3.SetDirectory(/*temp directory type*/2, Windows.Storage.ApplicationData.Current.TemporaryFolder.Path); |
| | 395 | | #endif |
| | 396 | |
|
| | 397 | | Sqlite3DatabaseHandle handle; |
| | 398 | |
|
| | 399 | | #if SILVERLIGHT || USE_CSHARP_SQLITE || USE_SQLITEPCL_RAW |
| | 400 | | var r = SQLite3.Open (connectionString.DatabasePath, out handle, (int)connectionString.OpenFlags, connectionString |
| | 401 | | #else |
| | 402 | | // open using the byte[] |
| | 403 | | // in the case where the path may include Unicode |
| | 404 | | // force open to using UTF-8 using sqlite3_open_v2 |
| | 405 | | var databasePathAsBytes = GetNullTerminatedUtf8 (connectionString.DatabasePath); |
| | 406 | | var r = SQLite3.Open (databasePathAsBytes, out handle, (int)connectionString.OpenFlags, connectionString.VfsName); |
| | 407 | | #endif |
| | 408 | |
|
| | 409 | | Handle = handle; |
| | 410 | | if (r != SQLite3.Result.OK) { |
| | 411 | | throw SQLiteException.New (r, String.Format ("Could not open database file: {0} ({1})", DatabasePath, r)); |
| | 412 | | } |
| | 413 | | _open = true; |
| | 414 | |
|
| | 415 | | StoreDateTimeAsTicks = connectionString.StoreDateTimeAsTicks; |
| | 416 | | StoreTimeSpanAsTicks = connectionString.StoreTimeSpanAsTicks; |
| | 417 | | DateTimeStringFormat = connectionString.DateTimeStringFormat; |
| | 418 | | DateTimeStyle = connectionString.DateTimeStyle; |
| | 419 | |
|
| | 420 | | BusyTimeout = TimeSpan.FromSeconds (1.0); |
| | 421 | | Tracer = line => Debug.WriteLine (line); |
| | 422 | |
|
| | 423 | | connectionString.PreKeyAction?.Invoke (this); |
| | 424 | | if (connectionString.Key is string stringKey) { |
| | 425 | | SetKey (stringKey); |
| | 426 | | } |
| | 427 | | else if (connectionString.Key is byte[] bytesKey) { |
| | 428 | | SetKey (bytesKey); |
| | 429 | | } |
| | 430 | | else if (connectionString.Key != null) { |
| | 431 | | throw new InvalidOperationException ("Encryption keys must be strings or byte arrays"); |
| | 432 | | } |
| | 433 | | connectionString.PostKeyAction?.Invoke (this); |
| | 434 | | } |
| | 435 | |
|
| | 436 | | /// <summary> |
| | 437 | | /// Enables the write ahead logging. WAL is significantly faster in most scenarios |
| | 438 | | /// by providing better concurrency and better disk IO performance than the normal |
| | 439 | | /// journal mode. You only need to call this function once in the lifetime of the database. |
| | 440 | | /// </summary> |
| | 441 | | public void EnableWriteAheadLogging () |
| | 442 | | { |
| | 443 | | ExecuteScalar<string> ("PRAGMA journal_mode=WAL"); |
| | 444 | | } |
| | 445 | |
|
| | 446 | | /// <summary> |
| | 447 | | /// Convert an input string to a quoted SQL string that can be safely used in queries. |
| | 448 | | /// </summary> |
| | 449 | | /// <returns>The quoted string.</returns> |
| | 450 | | /// <param name="unsafeString">The unsafe string to quote.</param> |
| | 451 | | static string Quote (string unsafeString) |
| | 452 | | { |
| | 453 | | // TODO: Doesn't call sqlite3_mprintf("%Q", u) because we're waiting on https://github.com/ericsink/SQLitePCL.raw/ |
| | 454 | | if (unsafeString == null) |
| | 455 | | return "NULL"; |
| | 456 | | var safe = unsafeString.Replace ("'", "''"); |
| | 457 | | return "'" + safe + "'"; |
| | 458 | | } |
| | 459 | |
|
| | 460 | | /// <summary> |
| | 461 | | /// Sets the key used to encrypt/decrypt the database with "pragma key = ...". |
| | 462 | | /// This must be the first thing you call before doing anything else with this connection |
| | 463 | | /// if your database is encrypted. |
| | 464 | | /// This only has an effect if you are using the SQLCipher nuget package. |
| | 465 | | /// </summary> |
| | 466 | | /// <param name="key">Encryption key plain text that is converted to the real encryption key using PBKDF2 key deriva |
| | 467 | | void SetKey (string key) |
| | 468 | | { |
| | 469 | | if (key == null) |
| | 470 | | throw new ArgumentNullException (nameof (key)); |
| | 471 | | var q = Quote (key); |
| | 472 | | ExecuteScalar<string> ("pragma key = " + q); |
| | 473 | | } |
| | 474 | |
|
| | 475 | | /// <summary> |
| | 476 | | /// Sets the key used to encrypt/decrypt the database. |
| | 477 | | /// This must be the first thing you call before doing anything else with this connection |
| | 478 | | /// if your database is encrypted. |
| | 479 | | /// This only has an effect if you are using the SQLCipher nuget package. |
| | 480 | | /// </summary> |
| | 481 | | /// <param name="key">256-bit (32 byte) encryption key data</param> |
| | 482 | | void SetKey (byte[] key) |
| | 483 | | { |
| | 484 | | if (key == null) |
| | 485 | | throw new ArgumentNullException (nameof (key)); |
| | 486 | | if (key.Length != 32 && key.Length != 48) |
| | 487 | | throw new ArgumentException ("Key must be 32 bytes (256-bit) or 48 bytes (384-bit)", nameof (key)); |
| | 488 | | var s = String.Join ("", key.Select (x => x.ToString ("X2"))); |
| | 489 | | ExecuteScalar<string> ("pragma key = \"x'" + s + "'\""); |
| | 490 | | } |
| | 491 | |
|
| | 492 | | /// <summary> |
| | 493 | | /// Change the encryption key for a SQLCipher database with "pragma rekey = ...". |
| | 494 | | /// </summary> |
| | 495 | | /// <param name="key">Encryption key plain text that is converted to the real encryption key using PBKDF2 key deriva |
| | 496 | | public void ReKey (string key) |
| | 497 | | { |
| | 498 | | if (key == null) |
| | 499 | | throw new ArgumentNullException(nameof(key)); |
| | 500 | | var q = Quote(key); |
| | 501 | | ExecuteScalar<string>("pragma rekey = " + q); |
| | 502 | | } |
| | 503 | |
|
| | 504 | | /// <summary> |
| | 505 | | /// Change the encryption key for a SQLCipher database. |
| | 506 | | /// </summary> |
| | 507 | | /// <param name="key">256-bit (32 byte) or 384-bit (48 bytes) encryption key data</param> |
| | 508 | | public void ReKey (byte[] key) |
| | 509 | | { |
| | 510 | | if (key == null) |
| | 511 | | throw new ArgumentNullException(nameof(key)); |
| | 512 | | if (key.Length != 32 && key.Length != 48) |
| | 513 | | throw new ArgumentException ("Key must be 32 bytes (256-bit) or 48 bytes (384-bit)", nameof (key)); |
| | 514 | | var s = String.Join("", key.Select(x => x.ToString("X2"))); |
| | 515 | | ExecuteScalar<string>("pragma rekey = \"x'" + s + "'\""); |
| | 516 | | } |
| | 517 | |
|
| | 518 | | /// <summary> |
| | 519 | | /// Enable or disable extension loading. |
| | 520 | | /// </summary> |
| | 521 | | public void EnableLoadExtension (bool enabled) |
| | 522 | | { |
| | 523 | | SQLite3.Result r = SQLite3.EnableLoadExtension (Handle, enabled ? 1 : 0); |
| | 524 | | if (r != SQLite3.Result.OK) { |
| | 525 | | string msg = SQLite3.GetErrmsg (Handle); |
| | 526 | | throw SQLiteException.New (r, msg); |
| | 527 | | } |
| | 528 | | } |
| | 529 | |
|
| | 530 | | #if !USE_SQLITEPCL_RAW |
| | 531 | | static byte[] GetNullTerminatedUtf8 (string s) |
| | 532 | | { |
| | 533 | | var utf8Length = System.Text.Encoding.UTF8.GetByteCount (s); |
| | 534 | | var bytes = new byte [utf8Length + 1]; |
| | 535 | | utf8Length = System.Text.Encoding.UTF8.GetBytes(s, 0, s.Length, bytes, 0); |
| | 536 | | return bytes; |
| | 537 | | } |
| | 538 | | #endif |
| | 539 | |
|
| | 540 | | /// <summary> |
| | 541 | | /// Sets a busy handler to sleep the specified amount of time when a table is locked. |
| | 542 | | /// The handler will sleep multiple times until a total time of <see cref="BusyTimeout"/> has accumulated. |
| | 543 | | /// </summary> |
| | 544 | | public TimeSpan BusyTimeout { |
| | 545 | | get { return _busyTimeout; } |
| | 546 | | set { |
| | 547 | | _busyTimeout = value; |
| | 548 | | if (Handle != NullHandle) { |
| | 549 | | SQLite3.BusyTimeout (Handle, (int)_busyTimeout.TotalMilliseconds); |
| | 550 | | } |
| | 551 | | } |
| | 552 | | } |
| | 553 | |
|
| | 554 | | /// <summary> |
| | 555 | | /// Returns the mappings from types to tables that the connection |
| | 556 | | /// currently understands. |
| | 557 | | /// </summary> |
| | 558 | | public IEnumerable<TableMapping> TableMappings { |
| | 559 | | get { |
| | 560 | | lock (_mappings) { |
| | 561 | | return new List<TableMapping> (_mappings.Values); |
| | 562 | | } |
| | 563 | | } |
| | 564 | | } |
| | 565 | |
|
| | 566 | | /// <summary> |
| | 567 | | /// Retrieves the mapping that is automatically generated for the given type. |
| | 568 | | /// </summary> |
| | 569 | | /// <param name="type"> |
| | 570 | | /// The type whose mapping to the database is returned. |
| | 571 | | /// </param> |
| | 572 | | /// <param name="createFlags"> |
| | 573 | | /// Optional flags allowing implicit PK and indexes based on naming conventions |
| | 574 | | /// </param> |
| | 575 | | /// <returns> |
| | 576 | | /// The mapping represents the schema of the columns of the database and contains |
| | 577 | | /// methods to set and get properties of objects. |
| | 578 | | /// </returns> |
| | 579 | | public TableMapping GetMapping (Type type, CreateFlags createFlags = CreateFlags.None) |
| | 580 | | { |
| | 581 | | TableMapping map; |
| | 582 | | var key = type.FullName; |
| | 583 | | lock (_mappings) { |
| | 584 | | if (_mappings.TryGetValue (key, out map)) { |
| | 585 | | if (createFlags != CreateFlags.None && createFlags != map.CreateFlags) { |
| | 586 | | map = new TableMapping (type, createFlags); |
| | 587 | | _mappings[key] = map; |
| | 588 | | } |
| | 589 | | } |
| | 590 | | else { |
| | 591 | | map = new TableMapping (type, createFlags); |
| | 592 | | _mappings.Add (key, map); |
| | 593 | | } |
| | 594 | | } |
| | 595 | | return map; |
| | 596 | | } |
| | 597 | |
|
| | 598 | | /// <summary> |
| | 599 | | /// Retrieves the mapping that is automatically generated for the given type. |
| | 600 | | /// </summary> |
| | 601 | | /// <param name="createFlags"> |
| | 602 | | /// Optional flags allowing implicit PK and indexes based on naming conventions |
| | 603 | | /// </param> |
| | 604 | | /// <returns> |
| | 605 | | /// The mapping represents the schema of the columns of the database and contains |
| | 606 | | /// methods to set and get properties of objects. |
| | 607 | | /// </returns> |
| | 608 | | public TableMapping GetMapping<T> (CreateFlags createFlags = CreateFlags.None) |
| | 609 | | { |
| | 610 | | return GetMapping (typeof (T), createFlags); |
| | 611 | | } |
| | 612 | |
|
| | 613 | | private struct IndexedColumn |
| | 614 | | { |
| | 615 | | public int Order; |
| | 616 | | public string ColumnName; |
| | 617 | | } |
| | 618 | |
|
| | 619 | | private struct IndexInfo |
| | 620 | | { |
| | 621 | | public string IndexName; |
| | 622 | | public string TableName; |
| | 623 | | public bool Unique; |
| | 624 | | public List<IndexedColumn> Columns; |
| | 625 | | } |
| | 626 | |
|
| | 627 | | /// <summary> |
| | 628 | | /// Executes a "drop table" on the database. This is non-recoverable. |
| | 629 | | /// </summary> |
| | 630 | | public int DropTable<T> () |
| | 631 | | { |
| | 632 | | return DropTable (GetMapping (typeof (T))); |
| | 633 | | } |
| | 634 | |
|
| | 635 | | /// <summary> |
| | 636 | | /// Executes a "drop table" on the database. This is non-recoverable. |
| | 637 | | /// </summary> |
| | 638 | | /// <param name="map"> |
| | 639 | | /// The TableMapping used to identify the table. |
| | 640 | | /// </param> |
| | 641 | | public int DropTable (TableMapping map) |
| | 642 | | { |
| | 643 | | var query = string.Format ("drop table if exists \"{0}\"", map.TableName); |
| | 644 | | return Execute (query); |
| | 645 | | } |
| | 646 | |
|
| | 647 | | /// <summary> |
| | 648 | | /// Executes a "create table if not exists" on the database. It also |
| | 649 | | /// creates any specified indexes on the columns of the table. It uses |
| | 650 | | /// a schema automatically generated from the specified type. You can |
| | 651 | | /// later access this schema by calling GetMapping. |
| | 652 | | /// </summary> |
| | 653 | | /// <returns> |
| | 654 | | /// Whether the table was created or migrated. |
| | 655 | | /// </returns> |
| | 656 | | public CreateTableResult CreateTable<T> (CreateFlags createFlags = CreateFlags.None) |
| | 657 | | { |
| | 658 | | return CreateTable (typeof (T), createFlags); |
| | 659 | | } |
| | 660 | |
|
| | 661 | | /// <summary> |
| | 662 | | /// Executes a "create table if not exists" on the database. It also |
| | 663 | | /// creates any specified indexes on the columns of the table. It uses |
| | 664 | | /// a schema automatically generated from the specified type. You can |
| | 665 | | /// later access this schema by calling GetMapping. |
| | 666 | | /// </summary> |
| | 667 | | /// <param name="ty">Type to reflect to a database table.</param> |
| | 668 | | /// <param name="createFlags">Optional flags allowing implicit PK and indexes based on naming conventions.</param> |
| | 669 | | /// <returns> |
| | 670 | | /// Whether the table was created or migrated. |
| | 671 | | /// </returns> |
| | 672 | | public CreateTableResult CreateTable (Type ty, CreateFlags createFlags = CreateFlags.None) |
| | 673 | | { |
| | 674 | | var map = GetMapping (ty, createFlags); |
| | 675 | |
|
| | 676 | | // Present a nice error if no columns specified |
| | 677 | | if (map.Columns.Length == 0) { |
| | 678 | | throw new Exception (string.Format ("Cannot create a table without columns (does '{0}' have public properties?)" |
| | 679 | | } |
| | 680 | |
|
| | 681 | | // Check if the table exists |
| | 682 | | var result = CreateTableResult.Created; |
| | 683 | | var existingCols = GetTableInfo (map.TableName); |
| | 684 | |
|
| | 685 | | // Create or migrate it |
| | 686 | | if (existingCols.Count == 0) { |
| | 687 | |
|
| | 688 | | // Facilitate virtual tables a.k.a. full-text search. |
| | 689 | | bool fts3 = (createFlags & CreateFlags.FullTextSearch3) != 0; |
| | 690 | | bool fts4 = (createFlags & CreateFlags.FullTextSearch4) != 0; |
| | 691 | | bool fts = fts3 || fts4; |
| | 692 | | var @virtual = fts ? "virtual " : string.Empty; |
| | 693 | | var @using = fts3 ? "using fts3 " : fts4 ? "using fts4 " : string.Empty; |
| | 694 | |
|
| | 695 | | // Build query. |
| | 696 | | var query = "create " + @virtual + "table if not exists \"" + map.TableName + "\" " + @using + "(\n"; |
| | 697 | | var decls = map.Columns.Select (p => Orm.SqlDecl (p, StoreDateTimeAsTicks, StoreTimeSpanAsTicks)); |
| | 698 | | var decl = string.Join (",\n", decls.ToArray ()); |
| | 699 | | query += decl; |
| | 700 | | query += ")"; |
| | 701 | | if (map.WithoutRowId) { |
| | 702 | | query += " without rowid"; |
| | 703 | | } |
| | 704 | |
|
| | 705 | | Execute (query); |
| | 706 | | } |
| | 707 | | else { |
| | 708 | | result = CreateTableResult.Migrated; |
| | 709 | | MigrateTable (map, existingCols); |
| | 710 | | } |
| | 711 | |
|
| | 712 | | var indexes = new Dictionary<string, IndexInfo> (); |
| | 713 | | foreach (var c in map.Columns) { |
| | 714 | | foreach (var i in c.Indices) { |
| | 715 | | var iname = i.Name ?? map.TableName + "_" + c.Name; |
| | 716 | | IndexInfo iinfo; |
| | 717 | | if (!indexes.TryGetValue (iname, out iinfo)) { |
| | 718 | | iinfo = new IndexInfo { |
| | 719 | | IndexName = iname, |
| | 720 | | TableName = map.TableName, |
| | 721 | | Unique = i.Unique, |
| | 722 | | Columns = new List<IndexedColumn> () |
| | 723 | | }; |
| | 724 | | indexes.Add (iname, iinfo); |
| | 725 | | } |
| | 726 | |
|
| | 727 | | if (i.Unique != iinfo.Unique) |
| | 728 | | throw new Exception ("All the columns in an index must have the same value for their Unique property"); |
| | 729 | |
|
| | 730 | | iinfo.Columns.Add (new IndexedColumn { |
| | 731 | | Order = i.Order, |
| | 732 | | ColumnName = c.Name |
| | 733 | | }); |
| | 734 | | } |
| | 735 | | } |
| | 736 | |
|
| | 737 | | foreach (var indexName in indexes.Keys) { |
| | 738 | | var index = indexes[indexName]; |
| | 739 | | var columns = index.Columns.OrderBy (i => i.Order).Select (i => i.ColumnName).ToArray (); |
| | 740 | | CreateIndex (indexName, index.TableName, columns, index.Unique); |
| | 741 | | } |
| | 742 | |
|
| | 743 | | return result; |
| | 744 | | } |
| | 745 | |
|
| | 746 | | /// <summary> |
| | 747 | | /// Executes a "create table if not exists" on the database for each type. It also |
| | 748 | | /// creates any specified indexes on the columns of the table. It uses |
| | 749 | | /// a schema automatically generated from the specified type. You can |
| | 750 | | /// later access this schema by calling GetMapping. |
| | 751 | | /// </summary> |
| | 752 | | /// <returns> |
| | 753 | | /// Whether the table was created or migrated for each type. |
| | 754 | | /// </returns> |
| | 755 | | public CreateTablesResult CreateTables<T, T2> (CreateFlags createFlags = CreateFlags.None) |
| | 756 | | where T : new() |
| | 757 | | where T2 : new() |
| | 758 | | { |
| | 759 | | return CreateTables (createFlags, typeof (T), typeof (T2)); |
| | 760 | | } |
| | 761 | |
|
| | 762 | | /// <summary> |
| | 763 | | /// Executes a "create table if not exists" on the database for each type. It also |
| | 764 | | /// creates any specified indexes on the columns of the table. It uses |
| | 765 | | /// a schema automatically generated from the specified type. You can |
| | 766 | | /// later access this schema by calling GetMapping. |
| | 767 | | /// </summary> |
| | 768 | | /// <returns> |
| | 769 | | /// Whether the table was created or migrated for each type. |
| | 770 | | /// </returns> |
| | 771 | | public CreateTablesResult CreateTables<T, T2, T3> (CreateFlags createFlags = CreateFlags.None) |
| | 772 | | where T : new() |
| | 773 | | where T2 : new() |
| | 774 | | where T3 : new() |
| | 775 | | { |
| | 776 | | return CreateTables (createFlags, typeof (T), typeof (T2), typeof (T3)); |
| | 777 | | } |
| | 778 | |
|
| | 779 | | /// <summary> |
| | 780 | | /// Executes a "create table if not exists" on the database for each type. It also |
| | 781 | | /// creates any specified indexes on the columns of the table. It uses |
| | 782 | | /// a schema automatically generated from the specified type. You can |
| | 783 | | /// later access this schema by calling GetMapping. |
| | 784 | | /// </summary> |
| | 785 | | /// <returns> |
| | 786 | | /// Whether the table was created or migrated for each type. |
| | 787 | | /// </returns> |
| | 788 | | public CreateTablesResult CreateTables<T, T2, T3, T4> (CreateFlags createFlags = CreateFlags.None) |
| | 789 | | where T : new() |
| | 790 | | where T2 : new() |
| | 791 | | where T3 : new() |
| | 792 | | where T4 : new() |
| | 793 | | { |
| | 794 | | return CreateTables (createFlags, typeof (T), typeof (T2), typeof (T3), typeof (T4)); |
| | 795 | | } |
| | 796 | |
|
| | 797 | | /// <summary> |
| | 798 | | /// Executes a "create table if not exists" on the database for each type. It also |
| | 799 | | /// creates any specified indexes on the columns of the table. It uses |
| | 800 | | /// a schema automatically generated from the specified type. You can |
| | 801 | | /// later access this schema by calling GetMapping. |
| | 802 | | /// </summary> |
| | 803 | | /// <returns> |
| | 804 | | /// Whether the table was created or migrated for each type. |
| | 805 | | /// </returns> |
| | 806 | | public CreateTablesResult CreateTables<T, T2, T3, T4, T5> (CreateFlags createFlags = CreateFlags.None) |
| | 807 | | where T : new() |
| | 808 | | where T2 : new() |
| | 809 | | where T3 : new() |
| | 810 | | where T4 : new() |
| | 811 | | where T5 : new() |
| | 812 | | { |
| | 813 | | return CreateTables (createFlags, typeof (T), typeof (T2), typeof (T3), typeof (T4), typeof (T5)); |
| | 814 | | } |
| | 815 | |
|
| | 816 | | /// <summary> |
| | 817 | | /// Executes a "create table if not exists" on the database for each type. It also |
| | 818 | | /// creates any specified indexes on the columns of the table. It uses |
| | 819 | | /// a schema automatically generated from the specified type. You can |
| | 820 | | /// later access this schema by calling GetMapping. |
| | 821 | | /// </summary> |
| | 822 | | /// <returns> |
| | 823 | | /// Whether the table was created or migrated for each type. |
| | 824 | | /// </returns> |
| | 825 | | public CreateTablesResult CreateTables (CreateFlags createFlags = CreateFlags.None, params Type[] types) |
| | 826 | | { |
| | 827 | | var result = new CreateTablesResult (); |
| | 828 | | foreach (Type type in types) { |
| | 829 | | var aResult = CreateTable (type, createFlags); |
| | 830 | | result.Results[type] = aResult; |
| | 831 | | } |
| | 832 | | return result; |
| | 833 | | } |
| | 834 | |
|
| | 835 | | /// <summary> |
| | 836 | | /// Creates an index for the specified table and columns. |
| | 837 | | /// </summary> |
| | 838 | | /// <param name="indexName">Name of the index to create</param> |
| | 839 | | /// <param name="tableName">Name of the database table</param> |
| | 840 | | /// <param name="columnNames">An array of column names to index</param> |
| | 841 | | /// <param name="unique">Whether the index should be unique</param> |
| | 842 | | /// <returns>Zero on success.</returns> |
| | 843 | | public int CreateIndex (string indexName, string tableName, string[] columnNames, bool unique = false) |
| | 844 | | { |
| | 845 | | const string sqlFormat = "create {2} index if not exists \"{3}\" on \"{0}\"(\"{1}\")"; |
| | 846 | | var sql = String.Format (sqlFormat, tableName, string.Join ("\", \"", columnNames), unique ? "unique" : "", indexN |
| | 847 | | return Execute (sql); |
| | 848 | | } |
| | 849 | |
|
| | 850 | | /// <summary> |
| | 851 | | /// Creates an index for the specified table and column. |
| | 852 | | /// </summary> |
| | 853 | | /// <param name="indexName">Name of the index to create</param> |
| | 854 | | /// <param name="tableName">Name of the database table</param> |
| | 855 | | /// <param name="columnName">Name of the column to index</param> |
| | 856 | | /// <param name="unique">Whether the index should be unique</param> |
| | 857 | | /// <returns>Zero on success.</returns> |
| | 858 | | public int CreateIndex (string indexName, string tableName, string columnName, bool unique = false) |
| | 859 | | { |
| | 860 | | return CreateIndex (indexName, tableName, new string[] { columnName }, unique); |
| | 861 | | } |
| | 862 | |
|
| | 863 | | /// <summary> |
| | 864 | | /// Creates an index for the specified table and column. |
| | 865 | | /// </summary> |
| | 866 | | /// <param name="tableName">Name of the database table</param> |
| | 867 | | /// <param name="columnName">Name of the column to index</param> |
| | 868 | | /// <param name="unique">Whether the index should be unique</param> |
| | 869 | | /// <returns>Zero on success.</returns> |
| | 870 | | public int CreateIndex (string tableName, string columnName, bool unique = false) |
| | 871 | | { |
| | 872 | | return CreateIndex (tableName + "_" + columnName, tableName, columnName, unique); |
| | 873 | | } |
| | 874 | |
|
| | 875 | | /// <summary> |
| | 876 | | /// Creates an index for the specified table and columns. |
| | 877 | | /// </summary> |
| | 878 | | /// <param name="tableName">Name of the database table</param> |
| | 879 | | /// <param name="columnNames">An array of column names to index</param> |
| | 880 | | /// <param name="unique">Whether the index should be unique</param> |
| | 881 | | /// <returns>Zero on success.</returns> |
| | 882 | | public int CreateIndex (string tableName, string[] columnNames, bool unique = false) |
| | 883 | | { |
| | 884 | | return CreateIndex (tableName + "_" + string.Join ("_", columnNames), tableName, columnNames, unique); |
| | 885 | | } |
| | 886 | |
|
| | 887 | | /// <summary> |
| | 888 | | /// Creates an index for the specified object property. |
| | 889 | | /// e.g. CreateIndex<Client>(c => c.Name); |
| | 890 | | /// </summary> |
| | 891 | | /// <typeparam name="T">Type to reflect to a database table.</typeparam> |
| | 892 | | /// <param name="property">Property to index</param> |
| | 893 | | /// <param name="unique">Whether the index should be unique</param> |
| | 894 | | /// <returns>Zero on success.</returns> |
| | 895 | | public int CreateIndex<T> (Expression<Func<T, object>> property, bool unique = false) |
| | 896 | | { |
| | 897 | | MemberExpression mx; |
| | 898 | | if (property.Body.NodeType == ExpressionType.Convert) { |
| | 899 | | mx = ((UnaryExpression)property.Body).Operand as MemberExpression; |
| | 900 | | } |
| | 901 | | else { |
| | 902 | | mx = (property.Body as MemberExpression); |
| | 903 | | } |
| | 904 | | var propertyInfo = mx.Member as PropertyInfo; |
| | 905 | | if (propertyInfo == null) { |
| | 906 | | throw new ArgumentException ("The lambda expression 'property' should point to a valid Property"); |
| | 907 | | } |
| | 908 | |
|
| | 909 | | var propName = propertyInfo.Name; |
| | 910 | |
|
| | 911 | | var map = GetMapping<T> (); |
| | 912 | | var colName = map.FindColumnWithPropertyName (propName).Name; |
| | 913 | |
|
| | 914 | | return CreateIndex (map.TableName, colName, unique); |
| | 915 | | } |
| | 916 | |
|
| | 917 | | [Preserve (AllMembers = true)] |
| | 918 | | public class ColumnInfo |
| | 919 | | { |
| | 920 | | // public int cid { get; set; } |
| | 921 | |
|
| | 922 | | [Column ("name")] |
| | 923 | | public string Name { get; set; } |
| | 924 | |
|
| | 925 | | // [Column ("type")] |
| | 926 | | // public string ColumnType { get; set; } |
| | 927 | |
|
| | 928 | | public int notnull { get; set; } |
| | 929 | |
|
| | 930 | | // public string dflt_value { get; set; } |
| | 931 | |
|
| | 932 | | // public int pk { get; set; } |
| | 933 | |
|
| | 934 | | public override string ToString () |
| | 935 | | { |
| | 936 | | return Name; |
| | 937 | | } |
| | 938 | | } |
| | 939 | |
|
| | 940 | | /// <summary> |
| | 941 | | /// Query the built-in sqlite table_info table for a specific tables columns. |
| | 942 | | /// </summary> |
| | 943 | | /// <returns>The columns contains in the table.</returns> |
| | 944 | | /// <param name="tableName">Table name.</param> |
| | 945 | | public List<ColumnInfo> GetTableInfo (string tableName) |
| | 946 | | { |
| | 947 | | var query = "pragma table_info(\"" + tableName + "\")"; |
| | 948 | | return Query<ColumnInfo> (query); |
| | 949 | | } |
| | 950 | |
|
| | 951 | | void MigrateTable (TableMapping map, List<ColumnInfo> existingCols) |
| | 952 | | { |
| | 953 | | var toBeAdded = new List<TableMapping.Column> (); |
| | 954 | |
|
| | 955 | | foreach (var p in map.Columns) { |
| | 956 | | var found = false; |
| | 957 | | foreach (var c in existingCols) { |
| | 958 | | found = (string.Compare (p.Name, c.Name, StringComparison.OrdinalIgnoreCase) == 0); |
| | 959 | | if (found) |
| | 960 | | break; |
| | 961 | | } |
| | 962 | | if (!found) { |
| | 963 | | toBeAdded.Add (p); |
| | 964 | | } |
| | 965 | | } |
| | 966 | |
|
| | 967 | | foreach (var p in toBeAdded) { |
| | 968 | | var addCol = "alter table \"" + map.TableName + "\" add column " + Orm.SqlDecl (p, StoreDateTimeAsTicks, StoreTi |
| | 969 | | Execute (addCol); |
| | 970 | | } |
| | 971 | | } |
| | 972 | |
|
| | 973 | | /// <summary> |
| | 974 | | /// Creates a new SQLiteCommand. Can be overridden to provide a sub-class. |
| | 975 | | /// </summary> |
| | 976 | | /// <seealso cref="SQLiteCommand.OnInstanceCreated"/> |
| | 977 | | protected virtual SQLiteCommand NewCommand () |
| | 978 | | { |
| | 979 | | return new SQLiteCommand (this); |
| | 980 | | } |
| | 981 | |
|
| | 982 | | /// <summary> |
| | 983 | | /// Creates a new SQLiteCommand given the command text with arguments. Place a '?' |
| | 984 | | /// in the command text for each of the arguments. |
| | 985 | | /// </summary> |
| | 986 | | /// <param name="cmdText"> |
| | 987 | | /// The fully escaped SQL. |
| | 988 | | /// </param> |
| | 989 | | /// <param name="ps"> |
| | 990 | | /// Arguments to substitute for the occurences of '?' in the command text. |
| | 991 | | /// </param> |
| | 992 | | /// <returns> |
| | 993 | | /// A <see cref="SQLiteCommand"/> |
| | 994 | | /// </returns> |
| | 995 | | public SQLiteCommand CreateCommand (string cmdText, params object[] ps) |
| | 996 | | { |
| | 997 | | if (!_open) |
| | 998 | | throw SQLiteException.New (SQLite3.Result.Error, "Cannot create commands from unopened database"); |
| | 999 | |
|
| | 1000 | | var cmd = NewCommand (); |
| | 1001 | | cmd.CommandText = cmdText; |
| | 1002 | | foreach (var o in ps) { |
| | 1003 | | cmd.Bind (o); |
| | 1004 | | } |
| | 1005 | | return cmd; |
| | 1006 | | } |
| | 1007 | |
|
| | 1008 | | /// <summary> |
| | 1009 | | /// Creates a new SQLiteCommand given the command text with named arguments. Place a "[@:$]VVV" |
| | 1010 | | /// in the command text for each of the arguments. VVV represents an alphanumeric identifier. |
| | 1011 | | /// For example, @name :name and $name can all be used in the query. |
| | 1012 | | /// </summary> |
| | 1013 | | /// <param name="cmdText"> |
| | 1014 | | /// The fully escaped SQL. |
| | 1015 | | /// </param> |
| | 1016 | | /// <param name="args"> |
| | 1017 | | /// Arguments to substitute for the occurences of "[@:$]VVV" in the command text. |
| | 1018 | | /// </param> |
| | 1019 | | /// <returns> |
| | 1020 | | /// A <see cref="SQLiteCommand" /> |
| | 1021 | | /// </returns> |
| | 1022 | | public SQLiteCommand CreateCommand (string cmdText, Dictionary<string, object> args) |
| | 1023 | | { |
| | 1024 | | if (!_open) |
| | 1025 | | throw SQLiteException.New (SQLite3.Result.Error, "Cannot create commands from unopened database"); |
| | 1026 | |
|
| | 1027 | | SQLiteCommand cmd = NewCommand (); |
| | 1028 | | cmd.CommandText = cmdText; |
| | 1029 | | foreach (var kv in args) { |
| | 1030 | | cmd.Bind (kv.Key, kv.Value); |
| | 1031 | | } |
| | 1032 | | return cmd; |
| | 1033 | | } |
| | 1034 | |
|
| | 1035 | | /// <summary> |
| | 1036 | | /// Creates a SQLiteCommand given the command text (SQL) with arguments. Place a '?' |
| | 1037 | | /// in the command text for each of the arguments and then executes that command. |
| | 1038 | | /// Use this method instead of Query when you don't expect rows back. Such cases include |
| | 1039 | | /// INSERTs, UPDATEs, and DELETEs. |
| | 1040 | | /// You can set the Trace or TimeExecution properties of the connection |
| | 1041 | | /// to profile execution. |
| | 1042 | | /// </summary> |
| | 1043 | | /// <param name="query"> |
| | 1044 | | /// The fully escaped SQL. |
| | 1045 | | /// </param> |
| | 1046 | | /// <param name="args"> |
| | 1047 | | /// Arguments to substitute for the occurences of '?' in the query. |
| | 1048 | | /// </param> |
| | 1049 | | /// <returns> |
| | 1050 | | /// The number of rows modified in the database as a result of this execution. |
| | 1051 | | /// </returns> |
| | 1052 | | public int Execute (string query, params object[] args) |
| | 1053 | | { |
| | 1054 | | var cmd = CreateCommand (query, args); |
| | 1055 | |
|
| | 1056 | | if (TimeExecution) { |
| | 1057 | | if (_sw == null) { |
| | 1058 | | _sw = new Stopwatch (); |
| | 1059 | | } |
| | 1060 | | _sw.Reset (); |
| | 1061 | | _sw.Start (); |
| | 1062 | | } |
| | 1063 | |
|
| | 1064 | | var r = cmd.ExecuteNonQuery (); |
| | 1065 | |
|
| | 1066 | | if (TimeExecution) { |
| | 1067 | | _sw.Stop (); |
| | 1068 | | _elapsedMilliseconds += _sw.ElapsedMilliseconds; |
| | 1069 | | Tracer?.Invoke (string.Format ("Finished in {0} ms ({1:0.0} s total)", _sw.ElapsedMilliseconds, _elapsedMillisec |
| | 1070 | | } |
| | 1071 | |
|
| | 1072 | | return r; |
| | 1073 | | } |
| | 1074 | |
|
| | 1075 | | /// <summary> |
| | 1076 | | /// Creates a SQLiteCommand given the command text (SQL) with arguments. Place a '?' |
| | 1077 | | /// in the command text for each of the arguments and then executes that command. |
| | 1078 | | /// Use this method when return primitive values. |
| | 1079 | | /// You can set the Trace or TimeExecution properties of the connection |
| | 1080 | | /// to profile execution. |
| | 1081 | | /// </summary> |
| | 1082 | | /// <param name="query"> |
| | 1083 | | /// The fully escaped SQL. |
| | 1084 | | /// </param> |
| | 1085 | | /// <param name="args"> |
| | 1086 | | /// Arguments to substitute for the occurences of '?' in the query. |
| | 1087 | | /// </param> |
| | 1088 | | /// <returns> |
| | 1089 | | /// The number of rows modified in the database as a result of this execution. |
| | 1090 | | /// </returns> |
| | 1091 | | public T ExecuteScalar<T> (string query, params object[] args) |
| | 1092 | | { |
| | 1093 | | var cmd = CreateCommand (query, args); |
| | 1094 | |
|
| | 1095 | | if (TimeExecution) { |
| | 1096 | | if (_sw == null) { |
| | 1097 | | _sw = new Stopwatch (); |
| | 1098 | | } |
| | 1099 | | _sw.Reset (); |
| | 1100 | | _sw.Start (); |
| | 1101 | | } |
| | 1102 | |
|
| | 1103 | | var r = cmd.ExecuteScalar<T> (); |
| | 1104 | |
|
| | 1105 | | if (TimeExecution) { |
| | 1106 | | _sw.Stop (); |
| | 1107 | | _elapsedMilliseconds += _sw.ElapsedMilliseconds; |
| | 1108 | | Tracer?.Invoke (string.Format ("Finished in {0} ms ({1:0.0} s total)", _sw.ElapsedMilliseconds, _elapsedMillisec |
| | 1109 | | } |
| | 1110 | |
|
| | 1111 | | return r; |
| | 1112 | | } |
| | 1113 | |
|
| | 1114 | | /// <summary> |
| | 1115 | | /// Creates a SQLiteCommand given the command text (SQL) with arguments. Place a '?' |
| | 1116 | | /// in the command text for each of the arguments and then executes that command. |
| | 1117 | | /// It returns each row of the result using the mapping automatically generated for |
| | 1118 | | /// the given type. |
| | 1119 | | /// </summary> |
| | 1120 | | /// <param name="query"> |
| | 1121 | | /// The fully escaped SQL. |
| | 1122 | | /// </param> |
| | 1123 | | /// <param name="args"> |
| | 1124 | | /// Arguments to substitute for the occurences of '?' in the query. |
| | 1125 | | /// </param> |
| | 1126 | | /// <returns> |
| | 1127 | | /// An enumerable with one result for each row returned by the query. |
| | 1128 | | /// </returns> |
| | 1129 | | public List<T> Query<T> (string query, params object[] args) where T : new() |
| | 1130 | | { |
| | 1131 | | var cmd = CreateCommand (query, args); |
| | 1132 | | return cmd.ExecuteQuery<T> (); |
| | 1133 | | } |
| | 1134 | |
|
| | 1135 | | /// <summary> |
| | 1136 | | /// Creates a SQLiteCommand given the command text (SQL) with arguments. Place a '?' |
| | 1137 | | /// in the command text for each of the arguments and then executes that command. |
| | 1138 | | /// It returns the first column of each row of the result. |
| | 1139 | | /// </summary> |
| | 1140 | | /// <param name="query"> |
| | 1141 | | /// The fully escaped SQL. |
| | 1142 | | /// </param> |
| | 1143 | | /// <param name="args"> |
| | 1144 | | /// Arguments to substitute for the occurences of '?' in the query. |
| | 1145 | | /// </param> |
| | 1146 | | /// <returns> |
| | 1147 | | /// An enumerable with one result for the first column of each row returned by the query. |
| | 1148 | | /// </returns> |
| | 1149 | | public List<T> QueryScalars<T> (string query, params object[] args) |
| | 1150 | | { |
| | 1151 | | var cmd = CreateCommand (query, args); |
| | 1152 | | return cmd.ExecuteQueryScalars<T> ().ToList (); |
| | 1153 | | } |
| | 1154 | |
|
| | 1155 | | /// <summary> |
| | 1156 | | /// Creates a SQLiteCommand given the command text (SQL) with arguments. Place a '?' |
| | 1157 | | /// in the command text for each of the arguments and then executes that command. |
| | 1158 | | /// It returns each row of the result using the mapping automatically generated for |
| | 1159 | | /// the given type. |
| | 1160 | | /// </summary> |
| | 1161 | | /// <param name="query"> |
| | 1162 | | /// The fully escaped SQL. |
| | 1163 | | /// </param> |
| | 1164 | | /// <param name="args"> |
| | 1165 | | /// Arguments to substitute for the occurences of '?' in the query. |
| | 1166 | | /// </param> |
| | 1167 | | /// <returns> |
| | 1168 | | /// An enumerable with one result for each row returned by the query. |
| | 1169 | | /// The enumerator (retrieved by calling GetEnumerator() on the result of this method) |
| | 1170 | | /// will call sqlite3_step on each call to MoveNext, so the database |
| | 1171 | | /// connection must remain open for the lifetime of the enumerator. |
| | 1172 | | /// </returns> |
| | 1173 | | public IEnumerable<T> DeferredQuery<T> (string query, params object[] args) where T : new() |
| | 1174 | | { |
| | 1175 | | var cmd = CreateCommand (query, args); |
| | 1176 | | return cmd.ExecuteDeferredQuery<T> (); |
| | 1177 | | } |
| | 1178 | |
|
| | 1179 | | /// <summary> |
| | 1180 | | /// Creates a SQLiteCommand given the command text (SQL) with arguments. Place a '?' |
| | 1181 | | /// in the command text for each of the arguments and then executes that command. |
| | 1182 | | /// It returns each row of the result using the specified mapping. This function is |
| | 1183 | | /// only used by libraries in order to query the database via introspection. It is |
| | 1184 | | /// normally not used. |
| | 1185 | | /// </summary> |
| | 1186 | | /// <param name="map"> |
| | 1187 | | /// A <see cref="TableMapping"/> to use to convert the resulting rows |
| | 1188 | | /// into objects. |
| | 1189 | | /// </param> |
| | 1190 | | /// <param name="query"> |
| | 1191 | | /// The fully escaped SQL. |
| | 1192 | | /// </param> |
| | 1193 | | /// <param name="args"> |
| | 1194 | | /// Arguments to substitute for the occurences of '?' in the query. |
| | 1195 | | /// </param> |
| | 1196 | | /// <returns> |
| | 1197 | | /// An enumerable with one result for each row returned by the query. |
| | 1198 | | /// </returns> |
| | 1199 | | public List<object> Query (TableMapping map, string query, params object[] args) |
| | 1200 | | { |
| | 1201 | | var cmd = CreateCommand (query, args); |
| | 1202 | | return cmd.ExecuteQuery<object> (map); |
| | 1203 | | } |
| | 1204 | |
|
| | 1205 | | /// <summary> |
| | 1206 | | /// Creates a SQLiteCommand given the command text (SQL) with arguments. Place a '?' |
| | 1207 | | /// in the command text for each of the arguments and then executes that command. |
| | 1208 | | /// It returns each row of the result using the specified mapping. This function is |
| | 1209 | | /// only used by libraries in order to query the database via introspection. It is |
| | 1210 | | /// normally not used. |
| | 1211 | | /// </summary> |
| | 1212 | | /// <param name="map"> |
| | 1213 | | /// A <see cref="TableMapping"/> to use to convert the resulting rows |
| | 1214 | | /// into objects. |
| | 1215 | | /// </param> |
| | 1216 | | /// <param name="query"> |
| | 1217 | | /// The fully escaped SQL. |
| | 1218 | | /// </param> |
| | 1219 | | /// <param name="args"> |
| | 1220 | | /// Arguments to substitute for the occurences of '?' in the query. |
| | 1221 | | /// </param> |
| | 1222 | | /// <returns> |
| | 1223 | | /// An enumerable with one result for each row returned by the query. |
| | 1224 | | /// The enumerator (retrieved by calling GetEnumerator() on the result of this method) |
| | 1225 | | /// will call sqlite3_step on each call to MoveNext, so the database |
| | 1226 | | /// connection must remain open for the lifetime of the enumerator. |
| | 1227 | | /// </returns> |
| | 1228 | | public IEnumerable<object> DeferredQuery (TableMapping map, string query, params object[] args) |
| | 1229 | | { |
| | 1230 | | var cmd = CreateCommand (query, args); |
| | 1231 | | return cmd.ExecuteDeferredQuery<object> (map); |
| | 1232 | | } |
| | 1233 | |
|
| | 1234 | | /// <summary> |
| | 1235 | | /// Returns a queryable interface to the table represented by the given type. |
| | 1236 | | /// </summary> |
| | 1237 | | /// <returns> |
| | 1238 | | /// A queryable object that is able to translate Where, OrderBy, and Take |
| | 1239 | | /// queries into native SQL. |
| | 1240 | | /// </returns> |
| | 1241 | | public TableQuery<T> Table<T> () where T : new() |
| | 1242 | | { |
| | 1243 | | return new TableQuery<T> (this); |
| | 1244 | | } |
| | 1245 | |
|
| | 1246 | | /// <summary> |
| | 1247 | | /// Attempts to retrieve an object with the given primary key from the table |
| | 1248 | | /// associated with the specified type. Use of this method requires that |
| | 1249 | | /// the given type have a designated PrimaryKey (using the PrimaryKeyAttribute). |
| | 1250 | | /// </summary> |
| | 1251 | | /// <param name="pk"> |
| | 1252 | | /// The primary key. |
| | 1253 | | /// </param> |
| | 1254 | | /// <returns> |
| | 1255 | | /// The object with the given primary key. Throws a not found exception |
| | 1256 | | /// if the object is not found. |
| | 1257 | | /// </returns> |
| | 1258 | | public T Get<T> (object pk) where T : new() |
| | 1259 | | { |
| | 1260 | | var map = GetMapping (typeof (T)); |
| | 1261 | | return Query<T> (map.GetByPrimaryKeySql, pk).First (); |
| | 1262 | | } |
| | 1263 | |
|
| | 1264 | | /// <summary> |
| | 1265 | | /// Attempts to retrieve an object with the given primary key from the table |
| | 1266 | | /// associated with the specified type. Use of this method requires that |
| | 1267 | | /// the given type have a designated PrimaryKey (using the PrimaryKeyAttribute). |
| | 1268 | | /// </summary> |
| | 1269 | | /// <param name="pk"> |
| | 1270 | | /// The primary key. |
| | 1271 | | /// </param> |
| | 1272 | | /// <param name="map"> |
| | 1273 | | /// The TableMapping used to identify the table. |
| | 1274 | | /// </param> |
| | 1275 | | /// <returns> |
| | 1276 | | /// The object with the given primary key. Throws a not found exception |
| | 1277 | | /// if the object is not found. |
| | 1278 | | /// </returns> |
| | 1279 | | public object Get (object pk, TableMapping map) |
| | 1280 | | { |
| | 1281 | | return Query (map, map.GetByPrimaryKeySql, pk).First (); |
| | 1282 | | } |
| | 1283 | |
|
| | 1284 | | /// <summary> |
| | 1285 | | /// Attempts to retrieve the first object that matches the predicate from the table |
| | 1286 | | /// associated with the specified type. |
| | 1287 | | /// </summary> |
| | 1288 | | /// <param name="predicate"> |
| | 1289 | | /// A predicate for which object to find. |
| | 1290 | | /// </param> |
| | 1291 | | /// <returns> |
| | 1292 | | /// The object that matches the given predicate. Throws a not found exception |
| | 1293 | | /// if the object is not found. |
| | 1294 | | /// </returns> |
| | 1295 | | public T Get<T> (Expression<Func<T, bool>> predicate) where T : new() |
| | 1296 | | { |
| | 1297 | | return Table<T> ().Where (predicate).First (); |
| | 1298 | | } |
| | 1299 | |
|
| | 1300 | | /// <summary> |
| | 1301 | | /// Attempts to retrieve an object with the given primary key from the table |
| | 1302 | | /// associated with the specified type. Use of this method requires that |
| | 1303 | | /// the given type have a designated PrimaryKey (using the PrimaryKeyAttribute). |
| | 1304 | | /// </summary> |
| | 1305 | | /// <param name="pk"> |
| | 1306 | | /// The primary key. |
| | 1307 | | /// </param> |
| | 1308 | | /// <returns> |
| | 1309 | | /// The object with the given primary key or null |
| | 1310 | | /// if the object is not found. |
| | 1311 | | /// </returns> |
| | 1312 | | public T Find<T> (object pk) where T : new() |
| | 1313 | | { |
| | 1314 | | var map = GetMapping (typeof (T)); |
| | 1315 | | return Query<T> (map.GetByPrimaryKeySql, pk).FirstOrDefault (); |
| | 1316 | | } |
| | 1317 | |
|
| | 1318 | | /// <summary> |
| | 1319 | | /// Attempts to retrieve an object with the given primary key from the table |
| | 1320 | | /// associated with the specified type. Use of this method requires that |
| | 1321 | | /// the given type have a designated PrimaryKey (using the PrimaryKeyAttribute). |
| | 1322 | | /// </summary> |
| | 1323 | | /// <param name="pk"> |
| | 1324 | | /// The primary key. |
| | 1325 | | /// </param> |
| | 1326 | | /// <param name="map"> |
| | 1327 | | /// The TableMapping used to identify the table. |
| | 1328 | | /// </param> |
| | 1329 | | /// <returns> |
| | 1330 | | /// The object with the given primary key or null |
| | 1331 | | /// if the object is not found. |
| | 1332 | | /// </returns> |
| | 1333 | | public object Find (object pk, TableMapping map) |
| | 1334 | | { |
| | 1335 | | return Query (map, map.GetByPrimaryKeySql, pk).FirstOrDefault (); |
| | 1336 | | } |
| | 1337 | |
|
| | 1338 | | /// <summary> |
| | 1339 | | /// Attempts to retrieve the first object that matches the predicate from the table |
| | 1340 | | /// associated with the specified type. |
| | 1341 | | /// </summary> |
| | 1342 | | /// <param name="predicate"> |
| | 1343 | | /// A predicate for which object to find. |
| | 1344 | | /// </param> |
| | 1345 | | /// <returns> |
| | 1346 | | /// The object that matches the given predicate or null |
| | 1347 | | /// if the object is not found. |
| | 1348 | | /// </returns> |
| | 1349 | | public T Find<T> (Expression<Func<T, bool>> predicate) where T : new() |
| | 1350 | | { |
| | 1351 | | return Table<T> ().Where (predicate).FirstOrDefault (); |
| | 1352 | | } |
| | 1353 | |
|
| | 1354 | | /// <summary> |
| | 1355 | | /// Attempts to retrieve the first object that matches the query from the table |
| | 1356 | | /// associated with the specified type. |
| | 1357 | | /// </summary> |
| | 1358 | | /// <param name="query"> |
| | 1359 | | /// The fully escaped SQL. |
| | 1360 | | /// </param> |
| | 1361 | | /// <param name="args"> |
| | 1362 | | /// Arguments to substitute for the occurences of '?' in the query. |
| | 1363 | | /// </param> |
| | 1364 | | /// <returns> |
| | 1365 | | /// The object that matches the given predicate or null |
| | 1366 | | /// if the object is not found. |
| | 1367 | | /// </returns> |
| | 1368 | | public T FindWithQuery<T> (string query, params object[] args) where T : new() |
| | 1369 | | { |
| | 1370 | | return Query<T> (query, args).FirstOrDefault (); |
| | 1371 | | } |
| | 1372 | |
|
| | 1373 | | /// <summary> |
| | 1374 | | /// Attempts to retrieve the first object that matches the query from the table |
| | 1375 | | /// associated with the specified type. |
| | 1376 | | /// </summary> |
| | 1377 | | /// <param name="map"> |
| | 1378 | | /// The TableMapping used to identify the table. |
| | 1379 | | /// </param> |
| | 1380 | | /// <param name="query"> |
| | 1381 | | /// The fully escaped SQL. |
| | 1382 | | /// </param> |
| | 1383 | | /// <param name="args"> |
| | 1384 | | /// Arguments to substitute for the occurences of '?' in the query. |
| | 1385 | | /// </param> |
| | 1386 | | /// <returns> |
| | 1387 | | /// The object that matches the given predicate or null |
| | 1388 | | /// if the object is not found. |
| | 1389 | | /// </returns> |
| | 1390 | | public object FindWithQuery (TableMapping map, string query, params object[] args) |
| | 1391 | | { |
| | 1392 | | return Query (map, query, args).FirstOrDefault (); |
| | 1393 | | } |
| | 1394 | |
|
| | 1395 | | /// <summary> |
| | 1396 | | /// Whether <see cref="BeginTransaction"/> has been called and the database is waiting for a <see cref="Commit"/>. |
| | 1397 | | /// </summary> |
| | 1398 | | public bool IsInTransaction { |
| | 1399 | | get { return _transactionDepth > 0; } |
| | 1400 | | } |
| | 1401 | |
|
| | 1402 | | /// <summary> |
| | 1403 | | /// Begins a new transaction. Call <see cref="Commit"/> to end the transaction. |
| | 1404 | | /// </summary> |
| | 1405 | | /// <example cref="System.InvalidOperationException">Throws if a transaction has already begun.</example> |
| | 1406 | | public void BeginTransaction () |
| | 1407 | | { |
| | 1408 | | // The BEGIN command only works if the transaction stack is empty, |
| | 1409 | | // or in other words if there are no pending transactions. |
| | 1410 | | // If the transaction stack is not empty when the BEGIN command is invoked, |
| | 1411 | | // then the command fails with an error. |
| | 1412 | | // Rather than crash with an error, we will just ignore calls to BeginTransaction |
| | 1413 | | // that would result in an error. |
| | 1414 | | if (Interlocked.CompareExchange (ref _transactionDepth, 1, 0) == 0) { |
| | 1415 | | try { |
| | 1416 | | Execute ("begin transaction"); |
| | 1417 | | } |
| | 1418 | | catch (Exception ex) { |
| | 1419 | | var sqlExp = ex as SQLiteException; |
| | 1420 | | if (sqlExp != null) { |
| | 1421 | | // It is recommended that applications respond to the errors listed below |
| | 1422 | | // by explicitly issuing a ROLLBACK command. |
| | 1423 | | // TODO: This rollback failsafe should be localized to all throw sites. |
| | 1424 | | switch (sqlExp.Result) { |
| | 1425 | | case SQLite3.Result.IOError: |
| | 1426 | | case SQLite3.Result.Full: |
| | 1427 | | case SQLite3.Result.Busy: |
| | 1428 | | case SQLite3.Result.NoMem: |
| | 1429 | | case SQLite3.Result.Interrupt: |
| | 1430 | | RollbackTo (null, true); |
| | 1431 | | break; |
| | 1432 | | } |
| | 1433 | | } |
| | 1434 | | else { |
| | 1435 | | // Call decrement and not VolatileWrite in case we've already |
| | 1436 | | // created a transaction point in SaveTransactionPoint since the catch. |
| | 1437 | | Interlocked.Decrement (ref _transactionDepth); |
| | 1438 | | } |
| | 1439 | |
|
| | 1440 | | throw; |
| | 1441 | | } |
| | 1442 | | } |
| | 1443 | | else { |
| | 1444 | | // Calling BeginTransaction on an already open transaction is invalid |
| | 1445 | | throw new InvalidOperationException ("Cannot begin a transaction while already in a transaction."); |
| | 1446 | | } |
| | 1447 | | } |
| | 1448 | |
|
| | 1449 | | /// <summary> |
| | 1450 | | /// Creates a savepoint in the database at the current point in the transaction timeline. |
| | 1451 | | /// Begins a new transaction if one is not in progress. |
| | 1452 | | /// |
| | 1453 | | /// Call <see cref="RollbackTo(string)"/> to undo transactions since the returned savepoint. |
| | 1454 | | /// Call <see cref="Release"/> to commit transactions after the savepoint returned here. |
| | 1455 | | /// Call <see cref="Commit"/> to end the transaction, committing all changes. |
| | 1456 | | /// </summary> |
| | 1457 | | /// <returns>A string naming the savepoint.</returns> |
| | 1458 | | public string SaveTransactionPoint () |
| | 1459 | | { |
| | 1460 | | int depth = Interlocked.Increment (ref _transactionDepth) - 1; |
| | 1461 | | string retVal = "S" + _rand.Next (short.MaxValue) + "D" + depth; |
| | 1462 | |
|
| | 1463 | | try { |
| | 1464 | | Execute ("savepoint " + retVal); |
| | 1465 | | } |
| | 1466 | | catch (Exception ex) { |
| | 1467 | | var sqlExp = ex as SQLiteException; |
| | 1468 | | if (sqlExp != null) { |
| | 1469 | | // It is recommended that applications respond to the errors listed below |
| | 1470 | | // by explicitly issuing a ROLLBACK command. |
| | 1471 | | // TODO: This rollback failsafe should be localized to all throw sites. |
| | 1472 | | switch (sqlExp.Result) { |
| | 1473 | | case SQLite3.Result.IOError: |
| | 1474 | | case SQLite3.Result.Full: |
| | 1475 | | case SQLite3.Result.Busy: |
| | 1476 | | case SQLite3.Result.NoMem: |
| | 1477 | | case SQLite3.Result.Interrupt: |
| | 1478 | | RollbackTo (null, true); |
| | 1479 | | break; |
| | 1480 | | } |
| | 1481 | | } |
| | 1482 | | else { |
| | 1483 | | Interlocked.Decrement (ref _transactionDepth); |
| | 1484 | | } |
| | 1485 | |
|
| | 1486 | | throw; |
| | 1487 | | } |
| | 1488 | |
|
| | 1489 | | return retVal; |
| | 1490 | | } |
| | 1491 | |
|
| | 1492 | | /// <summary> |
| | 1493 | | /// Rolls back the transaction that was begun by <see cref="BeginTransaction"/> or <see cref="SaveTransactionPoint"/ |
| | 1494 | | /// </summary> |
| | 1495 | | public void Rollback () |
| | 1496 | | { |
| | 1497 | | RollbackTo (null, false); |
| | 1498 | | } |
| | 1499 | |
|
| | 1500 | | /// <summary> |
| | 1501 | | /// Rolls back the savepoint created by <see cref="BeginTransaction"/> or SaveTransactionPoint. |
| | 1502 | | /// </summary> |
| | 1503 | | /// <param name="savepoint">The name of the savepoint to roll back to, as returned by <see cref="SaveTransactionPoin |
| | 1504 | | public void RollbackTo (string savepoint) |
| | 1505 | | { |
| | 1506 | | RollbackTo (savepoint, false); |
| | 1507 | | } |
| | 1508 | |
|
| | 1509 | | /// <summary> |
| | 1510 | | /// Rolls back the transaction that was begun by <see cref="BeginTransaction"/>. |
| | 1511 | | /// </summary> |
| | 1512 | | /// <param name="savepoint">The name of the savepoint to roll back to, as returned by <see cref="SaveTransactionPoin |
| | 1513 | | /// <param name="noThrow">true to avoid throwing exceptions, false otherwise</param> |
| | 1514 | | void RollbackTo (string savepoint, bool noThrow) |
| | 1515 | | { |
| | 1516 | | // Rolling back without a TO clause rolls backs all transactions |
| | 1517 | | // and leaves the transaction stack empty. |
| | 1518 | | try { |
| | 1519 | | if (String.IsNullOrEmpty (savepoint)) { |
| | 1520 | | if (Interlocked.Exchange (ref _transactionDepth, 0) > 0) { |
| | 1521 | | Execute ("rollback"); |
| | 1522 | | } |
| | 1523 | | } |
| | 1524 | | else { |
| | 1525 | | DoSavePointExecute (savepoint, "rollback to "); |
| | 1526 | | } |
| | 1527 | | } |
| | 1528 | | catch (SQLiteException) { |
| | 1529 | | if (!noThrow) |
| | 1530 | | throw; |
| | 1531 | |
|
| | 1532 | | } |
| | 1533 | | // No need to rollback if there are no transactions open. |
| | 1534 | | } |
| | 1535 | |
|
| | 1536 | | /// <summary> |
| | 1537 | | /// Releases a savepoint returned from <see cref="SaveTransactionPoint"/>. Releasing a savepoint |
| | 1538 | | /// makes changes since that savepoint permanent if the savepoint began the transaction, |
| | 1539 | | /// or otherwise the changes are permanent pending a call to <see cref="Commit"/>. |
| | 1540 | | /// |
| | 1541 | | /// The RELEASE command is like a COMMIT for a SAVEPOINT. |
| | 1542 | | /// </summary> |
| | 1543 | | /// <param name="savepoint">The name of the savepoint to release. The string should be the result of a call to <see |
| | 1544 | | public void Release (string savepoint) |
| | 1545 | | { |
| | 1546 | | try { |
| | 1547 | | DoSavePointExecute (savepoint, "release "); |
| | 1548 | | } |
| | 1549 | | catch (SQLiteException ex) { |
| | 1550 | | if (ex.Result == SQLite3.Result.Busy) { |
| | 1551 | | // Force a rollback since most people don't know this function can fail |
| | 1552 | | // Don't call Rollback() since the _transactionDepth is 0 and it won't try |
| | 1553 | | // Calling rollback makes our _transactionDepth variable correct. |
| | 1554 | | // Writes to the database only happen at depth=0, so this failure will only happen then. |
| | 1555 | | try { |
| | 1556 | | Execute ("rollback"); |
| | 1557 | | } |
| | 1558 | | catch { |
| | 1559 | | // rollback can fail in all sorts of wonderful version-dependent ways. Let's just hope for the best |
| | 1560 | | } |
| | 1561 | | } |
| | 1562 | | throw; |
| | 1563 | | } |
| | 1564 | | } |
| | 1565 | |
|
| | 1566 | | void DoSavePointExecute (string savepoint, string cmd) |
| | 1567 | | { |
| | 1568 | | // Validate the savepoint |
| | 1569 | | int firstLen = savepoint.IndexOf ('D'); |
| | 1570 | | if (firstLen >= 2 && savepoint.Length > firstLen + 1) { |
| | 1571 | | int depth; |
| | 1572 | | if (Int32.TryParse (savepoint.Substring (firstLen + 1), out depth)) { |
| | 1573 | | // TODO: Mild race here, but inescapable without locking almost everywhere. |
| | 1574 | | if (0 <= depth && depth < _transactionDepth) { |
| | 1575 | | #if NETFX_CORE || USE_SQLITEPCL_RAW || NETCORE |
| | 1576 | | Volatile.Write (ref _transactionDepth, depth); |
| | 1577 | | #elif SILVERLIGHT |
| | 1578 | | _transactionDepth = depth; |
| | 1579 | | #else |
| | 1580 | | Thread.VolatileWrite (ref _transactionDepth, depth); |
| | 1581 | | #endif |
| | 1582 | | Execute (cmd + savepoint); |
| | 1583 | | return; |
| | 1584 | | } |
| | 1585 | | } |
| | 1586 | | } |
| | 1587 | |
|
| | 1588 | | throw new ArgumentException ("savePoint is not valid, and should be the result of a call to SaveTransactionPoint." |
| | 1589 | | } |
| | 1590 | |
|
| | 1591 | | /// <summary> |
| | 1592 | | /// Commits the transaction that was begun by <see cref="BeginTransaction"/>. |
| | 1593 | | /// </summary> |
| | 1594 | | public void Commit () |
| | 1595 | | { |
| | 1596 | | if (Interlocked.Exchange (ref _transactionDepth, 0) != 0) { |
| | 1597 | | try { |
| | 1598 | | Execute ("commit"); |
| | 1599 | | } |
| | 1600 | | catch { |
| | 1601 | | // Force a rollback since most people don't know this function can fail |
| | 1602 | | // Don't call Rollback() since the _transactionDepth is 0 and it won't try |
| | 1603 | | // Calling rollback makes our _transactionDepth variable correct. |
| | 1604 | | try { |
| | 1605 | | Execute ("rollback"); |
| | 1606 | | } |
| | 1607 | | catch { |
| | 1608 | | // rollback can fail in all sorts of wonderful version-dependent ways. Let's just hope for the best |
| | 1609 | | } |
| | 1610 | | throw; |
| | 1611 | | } |
| | 1612 | | } |
| | 1613 | | // Do nothing on a commit with no open transaction |
| | 1614 | | } |
| | 1615 | |
|
| | 1616 | | /// <summary> |
| | 1617 | | /// Executes <paramref name="action"/> within a (possibly nested) transaction by wrapping it in a SAVEPOINT. If an |
| | 1618 | | /// exception occurs the whole transaction is rolled back, not just the current savepoint. The exception |
| | 1619 | | /// is rethrown. |
| | 1620 | | /// </summary> |
| | 1621 | | /// <param name="action"> |
| | 1622 | | /// The <see cref="Action"/> to perform within a transaction. <paramref name="action"/> can contain any number |
| | 1623 | | /// of operations on the connection but should never call <see cref="BeginTransaction"/> or |
| | 1624 | | /// <see cref="Commit"/>. |
| | 1625 | | /// </param> |
| | 1626 | | public void RunInTransaction (Action action) |
| | 1627 | | { |
| | 1628 | | try { |
| | 1629 | | var savePoint = SaveTransactionPoint (); |
| | 1630 | | action (); |
| | 1631 | | Release (savePoint); |
| | 1632 | | } |
| | 1633 | | catch (Exception) { |
| | 1634 | | Rollback (); |
| | 1635 | | throw; |
| | 1636 | | } |
| | 1637 | | } |
| | 1638 | |
|
| | 1639 | | /// <summary> |
| | 1640 | | /// Inserts all specified objects. |
| | 1641 | | /// </summary> |
| | 1642 | | /// <param name="objects"> |
| | 1643 | | /// An <see cref="IEnumerable"/> of the objects to insert. |
| | 1644 | | /// <param name="runInTransaction"/> |
| | 1645 | | /// A boolean indicating if the inserts should be wrapped in a transaction. |
| | 1646 | | /// </param> |
| | 1647 | | /// <returns> |
| | 1648 | | /// The number of rows added to the table. |
| | 1649 | | /// </returns> |
| | 1650 | | public int InsertAll (System.Collections.IEnumerable objects, bool runInTransaction = true) |
| | 1651 | | { |
| | 1652 | | var c = 0; |
| | 1653 | | if (runInTransaction) { |
| | 1654 | | RunInTransaction (() => { |
| | 1655 | | foreach (var r in objects) { |
| | 1656 | | c += Insert (r); |
| | 1657 | | } |
| | 1658 | | }); |
| | 1659 | | } |
| | 1660 | | else { |
| | 1661 | | foreach (var r in objects) { |
| | 1662 | | c += Insert (r); |
| | 1663 | | } |
| | 1664 | | } |
| | 1665 | | return c; |
| | 1666 | | } |
| | 1667 | |
|
| | 1668 | | /// <summary> |
| | 1669 | | /// Inserts all specified objects. |
| | 1670 | | /// </summary> |
| | 1671 | | /// <param name="objects"> |
| | 1672 | | /// An <see cref="IEnumerable"/> of the objects to insert. |
| | 1673 | | /// </param> |
| | 1674 | | /// <param name="extra"> |
| | 1675 | | /// Literal SQL code that gets placed into the command. INSERT {extra} INTO ... |
| | 1676 | | /// </param> |
| | 1677 | | /// <param name="runInTransaction"> |
| | 1678 | | /// A boolean indicating if the inserts should be wrapped in a transaction. |
| | 1679 | | /// </param> |
| | 1680 | | /// <returns> |
| | 1681 | | /// The number of rows added to the table. |
| | 1682 | | /// </returns> |
| | 1683 | | public int InsertAll (System.Collections.IEnumerable objects, string extra, bool runInTransaction = true) |
| | 1684 | | { |
| | 1685 | | var c = 0; |
| | 1686 | | if (runInTransaction) { |
| | 1687 | | RunInTransaction (() => { |
| | 1688 | | foreach (var r in objects) { |
| | 1689 | | c += Insert (r, extra); |
| | 1690 | | } |
| | 1691 | | }); |
| | 1692 | | } |
| | 1693 | | else { |
| | 1694 | | foreach (var r in objects) { |
| | 1695 | | c += Insert (r, extra); |
| | 1696 | | } |
| | 1697 | | } |
| | 1698 | | return c; |
| | 1699 | | } |
| | 1700 | |
|
| | 1701 | | /// <summary> |
| | 1702 | | /// Inserts all specified objects. |
| | 1703 | | /// </summary> |
| | 1704 | | /// <param name="objects"> |
| | 1705 | | /// An <see cref="IEnumerable"/> of the objects to insert. |
| | 1706 | | /// </param> |
| | 1707 | | /// <param name="objType"> |
| | 1708 | | /// The type of object to insert. |
| | 1709 | | /// </param> |
| | 1710 | | /// <param name="runInTransaction"> |
| | 1711 | | /// A boolean indicating if the inserts should be wrapped in a transaction. |
| | 1712 | | /// </param> |
| | 1713 | | /// <returns> |
| | 1714 | | /// The number of rows added to the table. |
| | 1715 | | /// </returns> |
| | 1716 | | public int InsertAll (System.Collections.IEnumerable objects, Type objType, bool runInTransaction = true) |
| | 1717 | | { |
| | 1718 | | var c = 0; |
| | 1719 | | if (runInTransaction) { |
| | 1720 | | RunInTransaction (() => { |
| | 1721 | | foreach (var r in objects) { |
| | 1722 | | c += Insert (r, objType); |
| | 1723 | | } |
| | 1724 | | }); |
| | 1725 | | } |
| | 1726 | | else { |
| | 1727 | | foreach (var r in objects) { |
| | 1728 | | c += Insert (r, objType); |
| | 1729 | | } |
| | 1730 | | } |
| | 1731 | | return c; |
| | 1732 | | } |
| | 1733 | |
|
| | 1734 | | /// <summary> |
| | 1735 | | /// Inserts the given object (and updates its |
| | 1736 | | /// auto incremented primary key if it has one). |
| | 1737 | | /// The return value is the number of rows added to the table. |
| | 1738 | | /// </summary> |
| | 1739 | | /// <param name="obj"> |
| | 1740 | | /// The object to insert. |
| | 1741 | | /// </param> |
| | 1742 | | /// <returns> |
| | 1743 | | /// The number of rows added to the table. |
| | 1744 | | /// </returns> |
| | 1745 | | public int Insert (object obj) |
| | 1746 | | { |
| | 1747 | | if (obj == null) { |
| | 1748 | | return 0; |
| | 1749 | | } |
| | 1750 | | return Insert (obj, "", Orm.GetType (obj)); |
| | 1751 | | } |
| | 1752 | |
|
| | 1753 | | /// <summary> |
| | 1754 | | /// Inserts the given object (and updates its |
| | 1755 | | /// auto incremented primary key if it has one). |
| | 1756 | | /// The return value is the number of rows added to the table. |
| | 1757 | | /// If a UNIQUE constraint violation occurs with |
| | 1758 | | /// some pre-existing object, this function deletes |
| | 1759 | | /// the old object. |
| | 1760 | | /// </summary> |
| | 1761 | | /// <param name="obj"> |
| | 1762 | | /// The object to insert. |
| | 1763 | | /// </param> |
| | 1764 | | /// <returns> |
| | 1765 | | /// The number of rows modified. |
| | 1766 | | /// </returns> |
| | 1767 | | public int InsertOrReplace (object obj) |
| | 1768 | | { |
| | 1769 | | if (obj == null) { |
| | 1770 | | return 0; |
| | 1771 | | } |
| | 1772 | | return Insert (obj, "OR REPLACE", Orm.GetType (obj)); |
| | 1773 | | } |
| | 1774 | |
|
| | 1775 | | /// <summary> |
| | 1776 | | /// Inserts the given object (and updates its |
| | 1777 | | /// auto incremented primary key if it has one). |
| | 1778 | | /// The return value is the number of rows added to the table. |
| | 1779 | | /// </summary> |
| | 1780 | | /// <param name="obj"> |
| | 1781 | | /// The object to insert. |
| | 1782 | | /// </param> |
| | 1783 | | /// <param name="objType"> |
| | 1784 | | /// The type of object to insert. |
| | 1785 | | /// </param> |
| | 1786 | | /// <returns> |
| | 1787 | | /// The number of rows added to the table. |
| | 1788 | | /// </returns> |
| | 1789 | | public int Insert (object obj, Type objType) |
| | 1790 | | { |
| | 1791 | | return Insert (obj, "", objType); |
| | 1792 | | } |
| | 1793 | |
|
| | 1794 | | /// <summary> |
| | 1795 | | /// Inserts the given object (and updates its |
| | 1796 | | /// auto incremented primary key if it has one). |
| | 1797 | | /// The return value is the number of rows added to the table. |
| | 1798 | | /// If a UNIQUE constraint violation occurs with |
| | 1799 | | /// some pre-existing object, this function deletes |
| | 1800 | | /// the old object. |
| | 1801 | | /// </summary> |
| | 1802 | | /// <param name="obj"> |
| | 1803 | | /// The object to insert. |
| | 1804 | | /// </param> |
| | 1805 | | /// <param name="objType"> |
| | 1806 | | /// The type of object to insert. |
| | 1807 | | /// </param> |
| | 1808 | | /// <returns> |
| | 1809 | | /// The number of rows modified. |
| | 1810 | | /// </returns> |
| | 1811 | | public int InsertOrReplace (object obj, Type objType) |
| | 1812 | | { |
| | 1813 | | return Insert (obj, "OR REPLACE", objType); |
| | 1814 | | } |
| | 1815 | |
|
| | 1816 | | /// <summary> |
| | 1817 | | /// Inserts the given object (and updates its |
| | 1818 | | /// auto incremented primary key if it has one). |
| | 1819 | | /// The return value is the number of rows added to the table. |
| | 1820 | | /// </summary> |
| | 1821 | | /// <param name="obj"> |
| | 1822 | | /// The object to insert. |
| | 1823 | | /// </param> |
| | 1824 | | /// <param name="extra"> |
| | 1825 | | /// Literal SQL code that gets placed into the command. INSERT {extra} INTO ... |
| | 1826 | | /// </param> |
| | 1827 | | /// <returns> |
| | 1828 | | /// The number of rows added to the table. |
| | 1829 | | /// </returns> |
| | 1830 | | public int Insert (object obj, string extra) |
| | 1831 | | { |
| | 1832 | | if (obj == null) { |
| | 1833 | | return 0; |
| | 1834 | | } |
| | 1835 | | return Insert (obj, extra, Orm.GetType (obj)); |
| | 1836 | | } |
| | 1837 | |
|
| | 1838 | | /// <summary> |
| | 1839 | | /// Inserts the given object (and updates its |
| | 1840 | | /// auto incremented primary key if it has one). |
| | 1841 | | /// The return value is the number of rows added to the table. |
| | 1842 | | /// </summary> |
| | 1843 | | /// <param name="obj"> |
| | 1844 | | /// The object to insert. |
| | 1845 | | /// </param> |
| | 1846 | | /// <param name="extra"> |
| | 1847 | | /// Literal SQL code that gets placed into the command. INSERT {extra} INTO ... |
| | 1848 | | /// </param> |
| | 1849 | | /// <param name="objType"> |
| | 1850 | | /// The type of object to insert. |
| | 1851 | | /// </param> |
| | 1852 | | /// <returns> |
| | 1853 | | /// The number of rows added to the table. |
| | 1854 | | /// </returns> |
| | 1855 | | public int Insert (object obj, string extra, Type objType) |
| | 1856 | | { |
| | 1857 | | if (obj == null || objType == null) { |
| | 1858 | | return 0; |
| | 1859 | | } |
| | 1860 | |
|
| | 1861 | | var map = GetMapping (objType); |
| | 1862 | |
|
| | 1863 | | if (map.PK != null && map.PK.IsAutoGuid) { |
| | 1864 | | if (map.PK.GetValue (obj).Equals (Guid.Empty)) { |
| | 1865 | | map.PK.SetValue (obj, Guid.NewGuid ()); |
| | 1866 | | } |
| | 1867 | | } |
| | 1868 | |
|
| | 1869 | | var replacing = string.Compare (extra, "OR REPLACE", StringComparison.OrdinalIgnoreCase) == 0; |
| | 1870 | |
|
| | 1871 | | var cols = replacing ? map.InsertOrReplaceColumns : map.InsertColumns; |
| | 1872 | | var vals = new object[cols.Length]; |
| | 1873 | | for (var i = 0; i < vals.Length; i++) { |
| | 1874 | | vals[i] = cols[i].GetValue (obj); |
| | 1875 | | } |
| | 1876 | |
|
| | 1877 | | var insertCmd = GetInsertCommand (map, extra); |
| | 1878 | | int count; |
| | 1879 | |
|
| | 1880 | | lock (insertCmd) { |
| | 1881 | | // We lock here to protect the prepared statement returned via GetInsertCommand. |
| | 1882 | | // A SQLite prepared statement can be bound for only one operation at a time. |
| | 1883 | | try { |
| | 1884 | | count = insertCmd.ExecuteNonQuery (vals); |
| | 1885 | | } |
| | 1886 | | catch (SQLiteException ex) { |
| | 1887 | | if (SQLite3.ExtendedErrCode (this.Handle) == SQLite3.ExtendedResult.ConstraintNotNull) { |
| | 1888 | | throw NotNullConstraintViolationException.New (ex.Result, ex.Message, map, obj); |
| | 1889 | | } |
| | 1890 | | throw; |
| | 1891 | | } |
| | 1892 | |
|
| | 1893 | | if (map.HasAutoIncPK) { |
| | 1894 | | var id = SQLite3.LastInsertRowid (Handle); |
| | 1895 | | map.SetAutoIncPK (obj, id); |
| | 1896 | | } |
| | 1897 | | } |
| | 1898 | | if (count > 0) |
| | 1899 | | OnTableChanged (map, NotifyTableChangedAction.Insert); |
| | 1900 | |
|
| | 1901 | | return count; |
| | 1902 | | } |
| | 1903 | |
|
| | 1904 | | readonly Dictionary<Tuple<string, string>, PreparedSqlLiteInsertCommand> _insertCommandMap = new Dictionary<Tuple<st |
| | 1905 | |
|
| | 1906 | | PreparedSqlLiteInsertCommand GetInsertCommand (TableMapping map, string extra) |
| | 1907 | | { |
| | 1908 | | PreparedSqlLiteInsertCommand prepCmd; |
| | 1909 | |
|
| | 1910 | | var key = Tuple.Create (map.MappedType.FullName, extra); |
| | 1911 | |
|
| | 1912 | | lock (_insertCommandMap) { |
| | 1913 | | if (_insertCommandMap.TryGetValue (key, out prepCmd)) { |
| | 1914 | | return prepCmd; |
| | 1915 | | } |
| | 1916 | | } |
| | 1917 | |
|
| | 1918 | | prepCmd = CreateInsertCommand (map, extra); |
| | 1919 | |
|
| | 1920 | | lock (_insertCommandMap) { |
| | 1921 | | if (_insertCommandMap.TryGetValue (key, out var existing)) { |
| | 1922 | | prepCmd.Dispose (); |
| | 1923 | | return existing; |
| | 1924 | | } |
| | 1925 | |
|
| | 1926 | | _insertCommandMap.Add (key, prepCmd); |
| | 1927 | | } |
| | 1928 | |
|
| | 1929 | | return prepCmd; |
| | 1930 | | } |
| | 1931 | |
|
| | 1932 | | PreparedSqlLiteInsertCommand CreateInsertCommand (TableMapping map, string extra) |
| | 1933 | | { |
| | 1934 | | var cols = map.InsertColumns; |
| | 1935 | | string insertSql; |
| | 1936 | | if (cols.Length == 0 && map.Columns.Length == 1 && map.Columns[0].IsAutoInc) { |
| | 1937 | | insertSql = string.Format ("insert {1} into \"{0}\" default values", map.TableName, extra); |
| | 1938 | | } |
| | 1939 | | else { |
| | 1940 | | var replacing = string.Compare (extra, "OR REPLACE", StringComparison.OrdinalIgnoreCase) == 0; |
| | 1941 | |
|
| | 1942 | | if (replacing) { |
| | 1943 | | cols = map.InsertOrReplaceColumns; |
| | 1944 | | } |
| | 1945 | |
|
| | 1946 | | insertSql = string.Format ("insert {3} into \"{0}\"({1}) values ({2})", map.TableName, |
| | 1947 | | string.Join (",", (from c in cols |
| | 1948 | | select "\"" + c.Name + "\"").ToArray ()), |
| | 1949 | | string.Join (",", (from c in cols |
| | 1950 | | select "?").ToArray ()), extra); |
| | 1951 | |
|
| | 1952 | | } |
| | 1953 | |
|
| | 1954 | | var insertCommand = new PreparedSqlLiteInsertCommand (this, insertSql); |
| | 1955 | | return insertCommand; |
| | 1956 | | } |
| | 1957 | |
|
| | 1958 | | /// <summary> |
| | 1959 | | /// Updates all of the columns of a table using the specified object |
| | 1960 | | /// except for its primary key. |
| | 1961 | | /// The object is required to have a primary key. |
| | 1962 | | /// </summary> |
| | 1963 | | /// <param name="obj"> |
| | 1964 | | /// The object to update. It must have a primary key designated using the PrimaryKeyAttribute. |
| | 1965 | | /// </param> |
| | 1966 | | /// <returns> |
| | 1967 | | /// The number of rows updated. |
| | 1968 | | /// </returns> |
| | 1969 | | public int Update (object obj) |
| | 1970 | | { |
| | 1971 | | if (obj == null) { |
| | 1972 | | return 0; |
| | 1973 | | } |
| | 1974 | | return Update (obj, Orm.GetType (obj)); |
| | 1975 | | } |
| | 1976 | |
|
| | 1977 | | /// <summary> |
| | 1978 | | /// Updates all of the columns of a table using the specified object |
| | 1979 | | /// except for its primary key. |
| | 1980 | | /// The object is required to have a primary key. |
| | 1981 | | /// </summary> |
| | 1982 | | /// <param name="obj"> |
| | 1983 | | /// The object to update. It must have a primary key designated using the PrimaryKeyAttribute. |
| | 1984 | | /// </param> |
| | 1985 | | /// <param name="objType"> |
| | 1986 | | /// The type of object to insert. |
| | 1987 | | /// </param> |
| | 1988 | | /// <returns> |
| | 1989 | | /// The number of rows updated. |
| | 1990 | | /// </returns> |
| | 1991 | | public int Update (object obj, Type objType) |
| | 1992 | | { |
| | 1993 | | int rowsAffected = 0; |
| | 1994 | | if (obj == null || objType == null) { |
| | 1995 | | return 0; |
| | 1996 | | } |
| | 1997 | |
|
| | 1998 | | var map = GetMapping (objType); |
| | 1999 | |
|
| | 2000 | | var pk = map.PK; |
| | 2001 | |
|
| | 2002 | | if (pk == null) { |
| | 2003 | | throw new NotSupportedException ("Cannot update " + map.TableName + ": it has no PK"); |
| | 2004 | | } |
| | 2005 | |
|
| | 2006 | | var cols = from p in map.Columns |
| | 2007 | | where p != pk |
| | 2008 | | select p; |
| | 2009 | | var vals = from c in cols |
| | 2010 | | select c.GetValue (obj); |
| | 2011 | | var ps = new List<object> (vals); |
| | 2012 | | if (ps.Count == 0) { |
| | 2013 | | // There is a PK but no accompanying data, |
| | 2014 | | // so reset the PK to make the UPDATE work. |
| | 2015 | | cols = map.Columns; |
| | 2016 | | vals = from c in cols |
| | 2017 | | select c.GetValue (obj); |
| | 2018 | | ps = new List<object> (vals); |
| | 2019 | | } |
| | 2020 | | ps.Add (pk.GetValue (obj)); |
| | 2021 | | var q = string.Format ("update \"{0}\" set {1} where \"{2}\" = ? ", map.TableName, string.Join (",", (from c in co |
| | 2022 | | select "\"" + c.Name + "\" = ? ").ToArray ()), pk.Name); |
| | 2023 | |
|
| | 2024 | | try { |
| | 2025 | | rowsAffected = Execute (q, ps.ToArray ()); |
| | 2026 | | } |
| | 2027 | | catch (SQLiteException ex) { |
| | 2028 | |
|
| | 2029 | | if (ex.Result == SQLite3.Result.Constraint && SQLite3.ExtendedErrCode (this.Handle) == SQLite3.ExtendedResult.Co |
| | 2030 | | throw NotNullConstraintViolationException.New (ex, map, obj); |
| | 2031 | | } |
| | 2032 | |
|
| | 2033 | | throw; |
| | 2034 | | } |
| | 2035 | |
|
| | 2036 | | if (rowsAffected > 0) |
| | 2037 | | OnTableChanged (map, NotifyTableChangedAction.Update); |
| | 2038 | |
|
| | 2039 | | return rowsAffected; |
| | 2040 | | } |
| | 2041 | |
|
| | 2042 | | /// <summary> |
| | 2043 | | /// Updates all specified objects. |
| | 2044 | | /// </summary> |
| | 2045 | | /// <param name="objects"> |
| | 2046 | | /// An <see cref="IEnumerable"/> of the objects to insert. |
| | 2047 | | /// </param> |
| | 2048 | | /// <param name="runInTransaction"> |
| | 2049 | | /// A boolean indicating if the inserts should be wrapped in a transaction |
| | 2050 | | /// </param> |
| | 2051 | | /// <returns> |
| | 2052 | | /// The number of rows modified. |
| | 2053 | | /// </returns> |
| | 2054 | | public int UpdateAll (System.Collections.IEnumerable objects, bool runInTransaction = true) |
| | 2055 | | { |
| | 2056 | | var c = 0; |
| | 2057 | | if (runInTransaction) { |
| | 2058 | | RunInTransaction (() => { |
| | 2059 | | foreach (var r in objects) { |
| | 2060 | | c += Update (r); |
| | 2061 | | } |
| | 2062 | | }); |
| | 2063 | | } |
| | 2064 | | else { |
| | 2065 | | foreach (var r in objects) { |
| | 2066 | | c += Update (r); |
| | 2067 | | } |
| | 2068 | | } |
| | 2069 | | return c; |
| | 2070 | | } |
| | 2071 | |
|
| | 2072 | | /// <summary> |
| | 2073 | | /// Deletes the given object from the database using its primary key. |
| | 2074 | | /// </summary> |
| | 2075 | | /// <param name="objectToDelete"> |
| | 2076 | | /// The object to delete. It must have a primary key designated using the PrimaryKeyAttribute. |
| | 2077 | | /// </param> |
| | 2078 | | /// <returns> |
| | 2079 | | /// The number of rows deleted. |
| | 2080 | | /// </returns> |
| | 2081 | | public int Delete (object objectToDelete) |
| | 2082 | | { |
| | 2083 | | var map = GetMapping (Orm.GetType (objectToDelete)); |
| | 2084 | | var pk = map.PK; |
| | 2085 | | if (pk == null) { |
| | 2086 | | throw new NotSupportedException ("Cannot delete " + map.TableName + ": it has no PK"); |
| | 2087 | | } |
| | 2088 | | var q = string.Format ("delete from \"{0}\" where \"{1}\" = ?", map.TableName, pk.Name); |
| | 2089 | | var count = Execute (q, pk.GetValue (objectToDelete)); |
| | 2090 | | if (count > 0) |
| | 2091 | | OnTableChanged (map, NotifyTableChangedAction.Delete); |
| | 2092 | | return count; |
| | 2093 | | } |
| | 2094 | |
|
| | 2095 | | /// <summary> |
| | 2096 | | /// Deletes the object with the specified primary key. |
| | 2097 | | /// </summary> |
| | 2098 | | /// <param name="primaryKey"> |
| | 2099 | | /// The primary key of the object to delete. |
| | 2100 | | /// </param> |
| | 2101 | | /// <returns> |
| | 2102 | | /// The number of objects deleted. |
| | 2103 | | /// </returns> |
| | 2104 | | /// <typeparam name='T'> |
| | 2105 | | /// The type of object. |
| | 2106 | | /// </typeparam> |
| | 2107 | | public int Delete<T> (object primaryKey) |
| | 2108 | | { |
| | 2109 | | return Delete (primaryKey, GetMapping (typeof (T))); |
| | 2110 | | } |
| | 2111 | |
|
| | 2112 | | /// <summary> |
| | 2113 | | /// Deletes the object with the specified primary key. |
| | 2114 | | /// </summary> |
| | 2115 | | /// <param name="primaryKey"> |
| | 2116 | | /// The primary key of the object to delete. |
| | 2117 | | /// </param> |
| | 2118 | | /// <param name="map"> |
| | 2119 | | /// The TableMapping used to identify the table. |
| | 2120 | | /// </param> |
| | 2121 | | /// <returns> |
| | 2122 | | /// The number of objects deleted. |
| | 2123 | | /// </returns> |
| | 2124 | | public int Delete (object primaryKey, TableMapping map) |
| | 2125 | | { |
| | 2126 | | var pk = map.PK; |
| | 2127 | | if (pk == null) { |
| | 2128 | | throw new NotSupportedException ("Cannot delete " + map.TableName + ": it has no PK"); |
| | 2129 | | } |
| | 2130 | | var q = string.Format ("delete from \"{0}\" where \"{1}\" = ?", map.TableName, pk.Name); |
| | 2131 | | var count = Execute (q, primaryKey); |
| | 2132 | | if (count > 0) |
| | 2133 | | OnTableChanged (map, NotifyTableChangedAction.Delete); |
| | 2134 | | return count; |
| | 2135 | | } |
| | 2136 | |
|
| | 2137 | | /// <summary> |
| | 2138 | | /// Deletes all the objects from the specified table. |
| | 2139 | | /// WARNING WARNING: Let me repeat. It deletes ALL the objects from the |
| | 2140 | | /// specified table. Do you really want to do that? |
| | 2141 | | /// </summary> |
| | 2142 | | /// <returns> |
| | 2143 | | /// The number of objects deleted. |
| | 2144 | | /// </returns> |
| | 2145 | | /// <typeparam name='T'> |
| | 2146 | | /// The type of objects to delete. |
| | 2147 | | /// </typeparam> |
| | 2148 | | public int DeleteAll<T> () |
| | 2149 | | { |
| | 2150 | | var map = GetMapping (typeof (T)); |
| | 2151 | | return DeleteAll (map); |
| | 2152 | | } |
| | 2153 | |
|
| | 2154 | | /// <summary> |
| | 2155 | | /// Deletes all the objects from the specified table. |
| | 2156 | | /// WARNING WARNING: Let me repeat. It deletes ALL the objects from the |
| | 2157 | | /// specified table. Do you really want to do that? |
| | 2158 | | /// </summary> |
| | 2159 | | /// <param name="map"> |
| | 2160 | | /// The TableMapping used to identify the table. |
| | 2161 | | /// </param> |
| | 2162 | | /// <returns> |
| | 2163 | | /// The number of objects deleted. |
| | 2164 | | /// </returns> |
| | 2165 | | public int DeleteAll (TableMapping map) |
| | 2166 | | { |
| | 2167 | | var query = string.Format ("delete from \"{0}\"", map.TableName); |
| | 2168 | | var count = Execute (query); |
| | 2169 | | if (count > 0) |
| | 2170 | | OnTableChanged (map, NotifyTableChangedAction.Delete); |
| | 2171 | | return count; |
| | 2172 | | } |
| | 2173 | |
|
| | 2174 | | /// <summary> |
| | 2175 | | /// Backup the entire database to the specified path. |
| | 2176 | | /// </summary> |
| | 2177 | | /// <param name="destinationDatabasePath">Path to backup file.</param> |
| | 2178 | | /// <param name="databaseName">The name of the database to backup (usually "main").</param> |
| | 2179 | | public void Backup (string destinationDatabasePath, string databaseName = "main") |
| | 2180 | | { |
| | 2181 | | // Open the destination |
| | 2182 | | var r = SQLite3.Open (destinationDatabasePath, out var destHandle); |
| | 2183 | | if (r != SQLite3.Result.OK) { |
| | 2184 | | throw SQLiteException.New (r, "Failed to open destination database"); |
| | 2185 | | } |
| | 2186 | |
|
| | 2187 | | // Init the backup |
| | 2188 | | var backup = SQLite3.BackupInit (destHandle, databaseName, Handle, databaseName); |
| | 2189 | | if (backup == NullBackupHandle) { |
| | 2190 | | SQLite3.Close (destHandle); |
| | 2191 | | throw new Exception ("Failed to create backup"); |
| | 2192 | | } |
| | 2193 | |
|
| | 2194 | | // Perform it |
| | 2195 | | SQLite3.BackupStep (backup, -1); |
| | 2196 | | SQLite3.BackupFinish (backup); |
| | 2197 | |
|
| | 2198 | | // Check for errors |
| | 2199 | | r = SQLite3.GetResult (destHandle); |
| | 2200 | | string msg = ""; |
| | 2201 | | if (r != SQLite3.Result.OK) { |
| | 2202 | | msg = SQLite3.GetErrmsg (destHandle); |
| | 2203 | | } |
| | 2204 | |
|
| | 2205 | | // Close everything and report errors |
| | 2206 | | SQLite3.Close (destHandle); |
| | 2207 | | if (r != SQLite3.Result.OK) { |
| | 2208 | | throw SQLiteException.New (r, msg); |
| | 2209 | | } |
| | 2210 | | } |
| | 2211 | |
|
| | 2212 | | ~SQLiteConnection () |
| | 2213 | | { |
| | 2214 | | Dispose (false); |
| | 2215 | | } |
| | 2216 | |
|
| | 2217 | | public void Dispose () |
| | 2218 | | { |
| | 2219 | | Dispose (true); |
| | 2220 | | GC.SuppressFinalize (this); |
| | 2221 | | } |
| | 2222 | |
|
| | 2223 | | public void Close () |
| | 2224 | | { |
| | 2225 | | Dispose (true); |
| | 2226 | | } |
| | 2227 | |
|
| | 2228 | | protected virtual void Dispose (bool disposing) |
| | 2229 | | { |
| | 2230 | | var useClose2 = LibVersionNumber >= 3007014; |
| | 2231 | |
|
| | 2232 | | if (_open && Handle != NullHandle) { |
| | 2233 | | try { |
| | 2234 | | if (disposing) { |
| | 2235 | | lock (_insertCommandMap) { |
| | 2236 | | foreach (var sqlInsertCommand in _insertCommandMap.Values) { |
| | 2237 | | sqlInsertCommand.Dispose (); |
| | 2238 | | } |
| | 2239 | | _insertCommandMap.Clear (); |
| | 2240 | | } |
| | 2241 | |
|
| | 2242 | | var r = useClose2 ? SQLite3.Close2 (Handle) : SQLite3.Close (Handle); |
| | 2243 | | if (r != SQLite3.Result.OK) { |
| | 2244 | | string msg = SQLite3.GetErrmsg (Handle); |
| | 2245 | | throw SQLiteException.New (r, msg); |
| | 2246 | | } |
| | 2247 | | } |
| | 2248 | | else { |
| | 2249 | | var r = useClose2 ? SQLite3.Close2 (Handle) : SQLite3.Close (Handle); |
| | 2250 | | } |
| | 2251 | | } |
| | 2252 | | finally { |
| | 2253 | | Handle = NullHandle; |
| | 2254 | | _open = false; |
| | 2255 | | } |
| | 2256 | | } |
| | 2257 | | } |
| | 2258 | |
|
| | 2259 | | void OnTableChanged (TableMapping table, NotifyTableChangedAction action) |
| | 2260 | | { |
| | 2261 | | var ev = TableChanged; |
| | 2262 | | if (ev != null) |
| | 2263 | | ev (this, new NotifyTableChangedEventArgs (table, action)); |
| | 2264 | | } |
| | 2265 | |
|
| | 2266 | | public event EventHandler<NotifyTableChangedEventArgs> TableChanged; |
| | 2267 | | } |
| | 2268 | |
|
| | 2269 | | public class NotifyTableChangedEventArgs : EventArgs |
| | 2270 | | { |
| | 2271 | | public TableMapping Table { get; private set; } |
| | 2272 | | public NotifyTableChangedAction Action { get; private set; } |
| | 2273 | |
|
| | 2274 | | public NotifyTableChangedEventArgs (TableMapping table, NotifyTableChangedAction action) |
| | 2275 | | { |
| | 2276 | | Table = table; |
| | 2277 | | Action = action; |
| | 2278 | | } |
| | 2279 | | } |
| | 2280 | |
|
| | 2281 | | public enum NotifyTableChangedAction |
| | 2282 | | { |
| | 2283 | | Insert, |
| | 2284 | | Update, |
| | 2285 | | Delete, |
| | 2286 | | } |
| | 2287 | |
|
| | 2288 | | /// <summary> |
| | 2289 | | /// Represents a parsed connection string. |
| | 2290 | | /// </summary> |
| | 2291 | | public class SQLiteConnectionString |
| | 2292 | | { |
| | 2293 | | const string DateTimeSqliteDefaultFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fff"; |
| | 2294 | |
|
| | 2295 | | public string UniqueKey { get; } |
| | 2296 | | public string DatabasePath { get; } |
| | 2297 | | public bool StoreDateTimeAsTicks { get; } |
| | 2298 | | public bool StoreTimeSpanAsTicks { get; } |
| | 2299 | | public string DateTimeStringFormat { get; } |
| | 2300 | | public System.Globalization.DateTimeStyles DateTimeStyle { get; } |
| | 2301 | | public object Key { get; } |
| | 2302 | | public SQLiteOpenFlags OpenFlags { get; } |
| | 2303 | | public Action<SQLiteConnection> PreKeyAction { get; } |
| | 2304 | | public Action<SQLiteConnection> PostKeyAction { get; } |
| | 2305 | | public string VfsName { get; } |
| | 2306 | |
|
| | 2307 | | #if NETFX_CORE |
| | 2308 | | static readonly string MetroStyleDataPath = Windows.Storage.ApplicationData.Current.LocalFolder.Path; |
| | 2309 | |
|
| | 2310 | | public static readonly string[] InMemoryDbPaths = new[] |
| | 2311 | | { |
| | 2312 | | ":memory:", |
| | 2313 | | "file::memory:" |
| | 2314 | | }; |
| | 2315 | |
|
| | 2316 | | public static bool IsInMemoryPath(string databasePath) |
| | 2317 | | { |
| | 2318 | | return InMemoryDbPaths.Any(i => i.Equals(databasePath, StringComparison.OrdinalIgnoreCase)); |
| | 2319 | | } |
| | 2320 | |
|
| | 2321 | | #endif |
| | 2322 | |
|
| | 2323 | | /// <summary> |
| | 2324 | | /// Constructs a new SQLiteConnectionString with all the data needed to open an SQLiteConnection. |
| | 2325 | | /// </summary> |
| | 2326 | | /// <param name="databasePath"> |
| | 2327 | | /// Specifies the path to the database file. |
| | 2328 | | /// </param> |
| | 2329 | | /// <param name="storeDateTimeAsTicks"> |
| | 2330 | | /// Specifies whether to store DateTime properties as ticks (true) or strings (false). You |
| | 2331 | | /// absolutely do want to store them as Ticks in all new projects. The value of false is |
| | 2332 | | /// only here for backwards compatibility. There is a *significant* speed advantage, with no |
| | 2333 | | /// down sides, when setting storeDateTimeAsTicks = true. |
| | 2334 | | /// If you use DateTimeOffset properties, it will be always stored as ticks regardingless |
| | 2335 | | /// the storeDateTimeAsTicks parameter. |
| | 2336 | | /// </param> |
| | 2337 | | public SQLiteConnectionString (string databasePath, bool storeDateTimeAsTicks = true) |
| | 2338 | | : this (databasePath, SQLiteOpenFlags.Create | SQLiteOpenFlags.ReadWrite, storeDateTimeAsTicks) |
| | 2339 | | { |
| | 2340 | | } |
| | 2341 | |
|
| | 2342 | | /// <summary> |
| | 2343 | | /// Constructs a new SQLiteConnectionString with all the data needed to open an SQLiteConnection. |
| | 2344 | | /// </summary> |
| | 2345 | | /// <param name="databasePath"> |
| | 2346 | | /// Specifies the path to the database file. |
| | 2347 | | /// </param> |
| | 2348 | | /// <param name="storeDateTimeAsTicks"> |
| | 2349 | | /// Specifies whether to store DateTime properties as ticks (true) or strings (false). You |
| | 2350 | | /// absolutely do want to store them as Ticks in all new projects. The value of false is |
| | 2351 | | /// only here for backwards compatibility. There is a *significant* speed advantage, with no |
| | 2352 | | /// down sides, when setting storeDateTimeAsTicks = true. |
| | 2353 | | /// If you use DateTimeOffset properties, it will be always stored as ticks regardingless |
| | 2354 | | /// the storeDateTimeAsTicks parameter. |
| | 2355 | | /// </param> |
| | 2356 | | /// <param name="key"> |
| | 2357 | | /// Specifies the encryption key to use on the database. Should be a string or a byte[]. |
| | 2358 | | /// </param> |
| | 2359 | | /// <param name="preKeyAction"> |
| | 2360 | | /// Executes prior to setting key for SQLCipher databases |
| | 2361 | | /// </param> |
| | 2362 | | /// <param name="postKeyAction"> |
| | 2363 | | /// Executes after setting key for SQLCipher databases |
| | 2364 | | /// </param> |
| | 2365 | | /// <param name="vfsName"> |
| | 2366 | | /// Specifies the Virtual File System to use on the database. |
| | 2367 | | /// </param> |
| | 2368 | | public SQLiteConnectionString (string databasePath, bool storeDateTimeAsTicks, object key = null, Action<SQLiteConne |
| | 2369 | | : this (databasePath, SQLiteOpenFlags.Create | SQLiteOpenFlags.ReadWrite, storeDateTimeAsTicks, key, preKeyAction, |
| | 2370 | | { |
| | 2371 | | } |
| | 2372 | |
|
| | 2373 | | /// <summary> |
| | 2374 | | /// Constructs a new SQLiteConnectionString with all the data needed to open an SQLiteConnection. |
| | 2375 | | /// </summary> |
| | 2376 | | /// <param name="databasePath"> |
| | 2377 | | /// Specifies the path to the database file. |
| | 2378 | | /// </param> |
| | 2379 | | /// <param name="openFlags"> |
| | 2380 | | /// Flags controlling how the connection should be opened. |
| | 2381 | | /// </param> |
| | 2382 | | /// <param name="storeDateTimeAsTicks"> |
| | 2383 | | /// Specifies whether to store DateTime properties as ticks (true) or strings (false). You |
| | 2384 | | /// absolutely do want to store them as Ticks in all new projects. The value of false is |
| | 2385 | | /// only here for backwards compatibility. There is a *significant* speed advantage, with no |
| | 2386 | | /// down sides, when setting storeDateTimeAsTicks = true. |
| | 2387 | | /// If you use DateTimeOffset properties, it will be always stored as ticks regardingless |
| | 2388 | | /// the storeDateTimeAsTicks parameter. |
| | 2389 | | /// </param> |
| | 2390 | | /// <param name="key"> |
| | 2391 | | /// Specifies the encryption key to use on the database. Should be a string or a byte[]. |
| | 2392 | | /// </param> |
| | 2393 | | /// <param name="preKeyAction"> |
| | 2394 | | /// Executes prior to setting key for SQLCipher databases |
| | 2395 | | /// </param> |
| | 2396 | | /// <param name="postKeyAction"> |
| | 2397 | | /// Executes after setting key for SQLCipher databases |
| | 2398 | | /// </param> |
| | 2399 | | /// <param name="vfsName"> |
| | 2400 | | /// Specifies the Virtual File System to use on the database. |
| | 2401 | | /// </param> |
| | 2402 | | /// <param name="dateTimeStringFormat"> |
| | 2403 | | /// Specifies the format to use when storing DateTime properties as strings. |
| | 2404 | | /// </param> |
| | 2405 | | /// <param name="storeTimeSpanAsTicks"> |
| | 2406 | | /// Specifies whether to store TimeSpan properties as ticks (true) or strings (false). You |
| | 2407 | | /// absolutely do want to store them as Ticks in all new projects. The value of false is |
| | 2408 | | /// only here for backwards compatibility. There is a *significant* speed advantage, with no |
| | 2409 | | /// down sides, when setting storeTimeSpanAsTicks = true. |
| | 2410 | | /// </param> |
| | 2411 | | public SQLiteConnectionString (string databasePath, SQLiteOpenFlags openFlags, bool storeDateTimeAsTicks, object key |
| | 2412 | | { |
| | 2413 | | if (key != null && !((key is byte[]) || (key is string))) |
| | 2414 | | throw new ArgumentException ("Encryption keys must be strings or byte arrays", nameof (key)); |
| | 2415 | |
|
| | 2416 | | UniqueKey = string.Format ("{0}_{1:X8}", databasePath, (uint)openFlags); |
| | 2417 | | StoreDateTimeAsTicks = storeDateTimeAsTicks; |
| | 2418 | | StoreTimeSpanAsTicks = storeTimeSpanAsTicks; |
| | 2419 | | DateTimeStringFormat = dateTimeStringFormat; |
| | 2420 | | DateTimeStyle = "o".Equals (DateTimeStringFormat, StringComparison.OrdinalIgnoreCase) || "r".Equals (DateTimeStrin |
| | 2421 | | Key = key; |
| | 2422 | | PreKeyAction = preKeyAction; |
| | 2423 | | PostKeyAction = postKeyAction; |
| | 2424 | | OpenFlags = openFlags; |
| | 2425 | | VfsName = vfsName; |
| | 2426 | |
|
| | 2427 | | #if NETFX_CORE |
| | 2428 | | DatabasePath = IsInMemoryPath(databasePath) |
| | 2429 | | ? databasePath |
| | 2430 | | : System.IO.Path.Combine(MetroStyleDataPath, databasePath); |
| | 2431 | |
|
| | 2432 | | #else |
| | 2433 | | DatabasePath = databasePath; |
| | 2434 | | #endif |
| | 2435 | | } |
| | 2436 | | } |
| | 2437 | |
|
| | 2438 | | [AttributeUsage (AttributeTargets.Class)] |
| | 2439 | | public class TableAttribute : Attribute |
| | 2440 | | { |
| | 2441 | | public string Name { get; set; } |
| | 2442 | |
|
| | 2443 | | /// <summary> |
| | 2444 | | /// Flag whether to create the table without rowid (see https://sqlite.org/withoutrowid.html) |
| | 2445 | | /// |
| | 2446 | | /// The default is <c>false</c> so that sqlite adds an implicit <c>rowid</c> to every table created. |
| | 2447 | | /// </summary> |
| | 2448 | | public bool WithoutRowId { get; set; } |
| | 2449 | |
|
| | 2450 | | public TableAttribute (string name) |
| | 2451 | | { |
| | 2452 | | Name = name; |
| | 2453 | | } |
| | 2454 | | } |
| | 2455 | |
|
| | 2456 | | [AttributeUsage (AttributeTargets.Property)] |
| | 2457 | | public class ColumnAttribute : Attribute |
| | 2458 | | { |
| | 2459 | | public string Name { get; set; } |
| | 2460 | |
|
| | 2461 | | public ColumnAttribute (string name) |
| | 2462 | | { |
| | 2463 | | Name = name; |
| | 2464 | | } |
| | 2465 | | } |
| | 2466 | |
|
| | 2467 | | [AttributeUsage (AttributeTargets.Property)] |
| | 2468 | | public class PrimaryKeyAttribute : Attribute |
| | 2469 | | { |
| | 2470 | | } |
| | 2471 | |
|
| | 2472 | | [AttributeUsage (AttributeTargets.Property)] |
| | 2473 | | public class AutoIncrementAttribute : Attribute |
| | 2474 | | { |
| | 2475 | | } |
| | 2476 | |
|
| | 2477 | | [AttributeUsage (AttributeTargets.Property, AllowMultiple = true)] |
| | 2478 | | public class IndexedAttribute : Attribute |
| | 2479 | | { |
| | 2480 | | public string Name { get; set; } |
| | 2481 | | public int Order { get; set; } |
| | 2482 | | public virtual bool Unique { get; set; } |
| | 2483 | |
|
| | 2484 | | public IndexedAttribute () |
| | 2485 | | { |
| | 2486 | | } |
| | 2487 | |
|
| | 2488 | | public IndexedAttribute (string name, int order) |
| | 2489 | | { |
| | 2490 | | Name = name; |
| | 2491 | | Order = order; |
| | 2492 | | } |
| | 2493 | | } |
| | 2494 | |
|
| | 2495 | | [AttributeUsage (AttributeTargets.Property)] |
| | 2496 | | public class IgnoreAttribute : Attribute |
| | 2497 | | { |
| | 2498 | | } |
| | 2499 | |
|
| | 2500 | | [AttributeUsage (AttributeTargets.Property)] |
| | 2501 | | public class UniqueAttribute : IndexedAttribute |
| | 2502 | | { |
| | 2503 | | public override bool Unique { |
| | 2504 | | get { return true; } |
| | 2505 | | set { /* throw? */ } |
| | 2506 | | } |
| | 2507 | | } |
| | 2508 | |
|
| | 2509 | | [AttributeUsage (AttributeTargets.Property)] |
| | 2510 | | public class MaxLengthAttribute : Attribute |
| | 2511 | | { |
| | 2512 | | public int Value { get; private set; } |
| | 2513 | |
|
| | 2514 | | public MaxLengthAttribute (int length) |
| | 2515 | | { |
| | 2516 | | Value = length; |
| | 2517 | | } |
| | 2518 | | } |
| | 2519 | |
|
| | 2520 | | public sealed class PreserveAttribute : System.Attribute |
| | 2521 | | { |
| | 2522 | | public bool AllMembers; |
| | 2523 | | public bool Conditional; |
| | 2524 | | } |
| | 2525 | |
|
| | 2526 | | /// <summary> |
| | 2527 | | /// Select the collating sequence to use on a column. |
| | 2528 | | /// "BINARY", "NOCASE", and "RTRIM" are supported. |
| | 2529 | | /// "BINARY" is the default. |
| | 2530 | | /// </summary> |
| | 2531 | | [AttributeUsage (AttributeTargets.Property)] |
| | 2532 | | public class CollationAttribute : Attribute |
| | 2533 | | { |
| | 2534 | | public string Value { get; private set; } |
| | 2535 | |
|
| | 2536 | | public CollationAttribute (string collation) |
| | 2537 | | { |
| | 2538 | | Value = collation; |
| | 2539 | | } |
| | 2540 | | } |
| | 2541 | |
|
| | 2542 | | [AttributeUsage (AttributeTargets.Property)] |
| | 2543 | | public class NotNullAttribute : Attribute |
| | 2544 | | { |
| | 2545 | | } |
| | 2546 | |
|
| | 2547 | | [AttributeUsage (AttributeTargets.Enum)] |
| | 2548 | | public class StoreAsTextAttribute : Attribute |
| | 2549 | | { |
| | 2550 | | } |
| | 2551 | |
|
| | 2552 | | public class TableMapping |
| | 2553 | | { |
| | 2554 | | public Type MappedType { get; private set; } |
| | 2555 | |
|
| | 2556 | | public string TableName { get; private set; } |
| | 2557 | |
|
| | 2558 | | public bool WithoutRowId { get; private set; } |
| | 2559 | |
|
| | 2560 | | public Column[] Columns { get; private set; } |
| | 2561 | |
|
| | 2562 | | public Column PK { get; private set; } |
| | 2563 | |
|
| | 2564 | | public string GetByPrimaryKeySql { get; private set; } |
| | 2565 | |
|
| | 2566 | | public CreateFlags CreateFlags { get; private set; } |
| | 2567 | |
|
| | 2568 | | internal MapMethod Method { get; private set; } = MapMethod.ByName; |
| | 2569 | |
|
| | 2570 | | readonly Column _autoPk; |
| | 2571 | | readonly Column[] _insertColumns; |
| | 2572 | | readonly Column[] _insertOrReplaceColumns; |
| | 2573 | |
|
| | 2574 | | public TableMapping (Type type, CreateFlags createFlags = CreateFlags.None) |
| | 2575 | | { |
| | 2576 | | MappedType = type; |
| | 2577 | | CreateFlags = createFlags; |
| | 2578 | |
|
| | 2579 | | var typeInfo = type.GetTypeInfo (); |
| | 2580 | | #if ENABLE_IL2CPP |
| | 2581 | | var tableAttr = typeInfo.GetCustomAttribute<TableAttribute> (); |
| | 2582 | | #else |
| | 2583 | | var tableAttr = |
| | 2584 | | typeInfo.CustomAttributes |
| | 2585 | | .Where (x => x.AttributeType == typeof (TableAttribute)) |
| | 2586 | | .Select (x => (TableAttribute)Orm.InflateAttribute (x)) |
| | 2587 | | .FirstOrDefault (); |
| | 2588 | | #endif |
| | 2589 | |
|
| | 2590 | | TableName = (tableAttr != null && !string.IsNullOrEmpty (tableAttr.Name)) ? tableAttr.Name : MappedType.Name; |
| | 2591 | | WithoutRowId = tableAttr != null ? tableAttr.WithoutRowId : false; |
| | 2592 | |
|
| | 2593 | | var members = GetPublicMembers(type); |
| | 2594 | | var cols = new List<Column>(members.Count); |
| | 2595 | | foreach(var m in members) |
| | 2596 | | { |
| | 2597 | | var ignore = m.IsDefined(typeof(IgnoreAttribute), true); |
| | 2598 | | if(!ignore) |
| | 2599 | | cols.Add(new Column(m, createFlags)); |
| | 2600 | | } |
| | 2601 | | Columns = cols.ToArray (); |
| | 2602 | | foreach (var c in Columns) { |
| | 2603 | | if (c.IsAutoInc && c.IsPK) { |
| | 2604 | | _autoPk = c; |
| | 2605 | | } |
| | 2606 | | if (c.IsPK) { |
| | 2607 | | PK = c; |
| | 2608 | | } |
| | 2609 | | } |
| | 2610 | |
|
| | 2611 | | HasAutoIncPK = _autoPk != null; |
| | 2612 | |
|
| | 2613 | | if (PK != null) { |
| | 2614 | | GetByPrimaryKeySql = string.Format ("select * from \"{0}\" where \"{1}\" = ?", TableName, PK.Name); |
| | 2615 | | } |
| | 2616 | | else { |
| | 2617 | | // People should not be calling Get/Find without a PK |
| | 2618 | | GetByPrimaryKeySql = string.Format ("select * from \"{0}\" limit 1", TableName); |
| | 2619 | | } |
| | 2620 | |
|
| | 2621 | | _insertColumns = Columns.Where (c => !c.IsAutoInc).ToArray (); |
| | 2622 | | _insertOrReplaceColumns = Columns.ToArray (); |
| | 2623 | | } |
| | 2624 | |
|
| | 2625 | | private IReadOnlyCollection<MemberInfo> GetPublicMembers(Type type) |
| | 2626 | | { |
| | 2627 | | if(type.Name.StartsWith("ValueTuple`")) |
| | 2628 | | return GetFieldsFromValueTuple(type); |
| | 2629 | |
|
| | 2630 | | var members = new List<MemberInfo>(); |
| | 2631 | | var memberNames = new HashSet<string>(); |
| | 2632 | | var newMembers = new List<MemberInfo>(); |
| | 2633 | | do |
| | 2634 | | { |
| | 2635 | | var ti = type.GetTypeInfo(); |
| | 2636 | | newMembers.Clear(); |
| | 2637 | |
|
| | 2638 | | newMembers.AddRange( |
| | 2639 | | from p in ti.DeclaredProperties |
| | 2640 | | where !memberNames.Contains(p.Name) && |
| | 2641 | | p.CanRead && p.CanWrite && |
| | 2642 | | p.GetMethod != null && p.SetMethod != null && |
| | 2643 | | p.GetMethod.IsPublic && p.SetMethod.IsPublic && |
| | 2644 | | !p.GetMethod.IsStatic && !p.SetMethod.IsStatic |
| | 2645 | | select p); |
| | 2646 | |
|
| | 2647 | | members.AddRange(newMembers); |
| | 2648 | | foreach(var m in newMembers) |
| | 2649 | | memberNames.Add(m.Name); |
| | 2650 | |
|
| | 2651 | | type = ti.BaseType; |
| | 2652 | | } |
| | 2653 | | while(type != typeof(object)); |
| | 2654 | |
|
| | 2655 | | return members; |
| | 2656 | | } |
| | 2657 | |
|
| | 2658 | | private IReadOnlyCollection<MemberInfo> GetFieldsFromValueTuple(Type type) |
| | 2659 | | { |
| | 2660 | | Method = MapMethod.ByPosition; |
| | 2661 | | var fields = type.GetFields(); |
| | 2662 | |
|
| | 2663 | | // https://docs.microsoft.com/en-us/dotnet/api/system.valuetuple-8.rest |
| | 2664 | | if(fields.Length >= 8) |
| | 2665 | | throw new NotSupportedException("ValueTuple with more than 7 members not supported due to nesting; see https://d |
| | 2666 | |
|
| | 2667 | | return fields; |
| | 2668 | | } |
| | 2669 | |
|
| | 2670 | | public bool HasAutoIncPK { get; private set; } |
| | 2671 | |
|
| | 2672 | | public void SetAutoIncPK (object obj, long id) |
| | 2673 | | { |
| | 2674 | | if (_autoPk != null) { |
| | 2675 | | _autoPk.SetValue (obj, Convert.ChangeType (id, _autoPk.ColumnType, null)); |
| | 2676 | | } |
| | 2677 | | } |
| | 2678 | |
|
| | 2679 | | public Column[] InsertColumns { |
| | 2680 | | get { |
| | 2681 | | return _insertColumns; |
| | 2682 | | } |
| | 2683 | | } |
| | 2684 | |
|
| | 2685 | | public Column[] InsertOrReplaceColumns { |
| | 2686 | | get { |
| | 2687 | | return _insertOrReplaceColumns; |
| | 2688 | | } |
| | 2689 | | } |
| | 2690 | |
|
| | 2691 | | public Column FindColumnWithPropertyName (string propertyName) |
| | 2692 | | { |
| | 2693 | | var exact = Columns.FirstOrDefault (c => c.PropertyName == propertyName); |
| | 2694 | | return exact; |
| | 2695 | | } |
| | 2696 | |
|
| | 2697 | | public Column FindColumn (string columnName) |
| | 2698 | | { |
| | 2699 | | if(Method != MapMethod.ByName) |
| | 2700 | | throw new InvalidOperationException($"This {nameof(TableMapping)} is not mapped by name, but {Method}."); |
| | 2701 | |
|
| | 2702 | | var exact = Columns.FirstOrDefault (c => c.Name.ToLower () == columnName.ToLower ()); |
| | 2703 | | return exact; |
| | 2704 | | } |
| | 2705 | |
|
| | 2706 | | public class Column |
| | 2707 | | { |
| | 2708 | | MemberInfo _member; |
| | 2709 | |
|
| | 2710 | | public string Name { get; private set; } |
| | 2711 | |
|
| | 2712 | | public PropertyInfo PropertyInfo => _member as PropertyInfo; |
| | 2713 | |
|
| | 2714 | | public string PropertyName { get { return _member.Name; } } |
| | 2715 | |
|
| | 2716 | | public Type ColumnType { get; private set; } |
| | 2717 | |
|
| | 2718 | | public string Collation { get; private set; } |
| | 2719 | |
|
| | 2720 | | public bool IsAutoInc { get; private set; } |
| | 2721 | | public bool IsAutoGuid { get; private set; } |
| | 2722 | |
|
| | 2723 | | public bool IsPK { get; private set; } |
| | 2724 | |
|
| | 2725 | | public IEnumerable<IndexedAttribute> Indices { get; set; } |
| | 2726 | |
|
| | 2727 | | public bool IsNullable { get; private set; } |
| | 2728 | |
|
| | 2729 | | public int? MaxStringLength { get; private set; } |
| | 2730 | |
|
| | 2731 | | public bool StoreAsText { get; private set; } |
| | 2732 | |
|
| | 2733 | | public Column (MemberInfo member, CreateFlags createFlags = CreateFlags.None) |
| | 2734 | | { |
| | 2735 | | _member = member; |
| | 2736 | | var memberType = GetMemberType(member); |
| | 2737 | |
|
| | 2738 | | var colAttr = member.CustomAttributes.FirstOrDefault (x => x.AttributeType == typeof (ColumnAttribute)); |
| | 2739 | | #if ENABLE_IL2CPP |
| | 2740 | | var ca = member.GetCustomAttribute(typeof(ColumnAttribute)) as ColumnAttribute; |
| | 2741 | | Name = ca == null ? member.Name : ca.Name; |
| | 2742 | | #else |
| | 2743 | | Name = (colAttr != null && colAttr.ConstructorArguments.Count > 0) ? |
| | 2744 | | colAttr.ConstructorArguments[0].Value?.ToString () : |
| | 2745 | | member.Name; |
| | 2746 | | #endif |
| | 2747 | | //If this type is Nullable<T> then Nullable.GetUnderlyingType returns the T, otherwise it returns null, so get t |
| | 2748 | | ColumnType = Nullable.GetUnderlyingType (memberType) ?? memberType; |
| | 2749 | | Collation = Orm.Collation (member); |
| | 2750 | |
|
| | 2751 | | IsPK = Orm.IsPK (member) || |
| | 2752 | | (((createFlags & CreateFlags.ImplicitPK) == CreateFlags.ImplicitPK) && |
| | 2753 | | string.Compare (member.Name, Orm.ImplicitPkName, StringComparison.OrdinalIgnoreCase) == 0); |
| | 2754 | |
|
| | 2755 | | var isAuto = Orm.IsAutoInc (member) || (IsPK && ((createFlags & CreateFlags.AutoIncPK) == CreateFlags.AutoIncPK) |
| | 2756 | | IsAutoGuid = isAuto && ColumnType == typeof (Guid); |
| | 2757 | | IsAutoInc = isAuto && !IsAutoGuid; |
| | 2758 | |
|
| | 2759 | | Indices = Orm.GetIndices (member); |
| | 2760 | | if (!Indices.Any () |
| | 2761 | | && !IsPK |
| | 2762 | | && ((createFlags & CreateFlags.ImplicitIndex) == CreateFlags.ImplicitIndex) |
| | 2763 | | && Name.EndsWith (Orm.ImplicitIndexSuffix, StringComparison.OrdinalIgnoreCase) |
| | 2764 | | ) { |
| | 2765 | | Indices = new IndexedAttribute[] { new IndexedAttribute () }; |
| | 2766 | | } |
| | 2767 | | IsNullable = !(IsPK || Orm.IsMarkedNotNull (member)); |
| | 2768 | | MaxStringLength = Orm.MaxStringLength (member); |
| | 2769 | |
|
| | 2770 | | StoreAsText = memberType.GetTypeInfo ().CustomAttributes.Any (x => x.AttributeType == typeof (StoreAsTextAttribu |
| | 2771 | | } |
| | 2772 | |
|
| | 2773 | | public Column (PropertyInfo member, CreateFlags createFlags = CreateFlags.None) |
| | 2774 | | : this((MemberInfo)member, createFlags) |
| | 2775 | | { } |
| | 2776 | |
|
| | 2777 | | public void SetValue (object obj, object val) |
| | 2778 | | { |
| | 2779 | | if(_member is PropertyInfo propy) |
| | 2780 | | { |
| | 2781 | | if (val != null && ColumnType.GetTypeInfo ().IsEnum) |
| | 2782 | | propy.SetValue (obj, Enum.ToObject (ColumnType, val)); |
| | 2783 | | else |
| | 2784 | | propy.SetValue (obj, val); |
| | 2785 | | } |
| | 2786 | | else if(_member is FieldInfo field) |
| | 2787 | | { |
| | 2788 | | if (val != null && ColumnType.GetTypeInfo ().IsEnum) |
| | 2789 | | field.SetValue (obj, Enum.ToObject (ColumnType, val)); |
| | 2790 | | else |
| | 2791 | | field.SetValue (obj, val); |
| | 2792 | | } |
| | 2793 | | else |
| | 2794 | | throw new InvalidProgramException("unreachable condition"); |
| | 2795 | | } |
| | 2796 | |
|
| | 2797 | | public object GetValue (object obj) |
| | 2798 | | { |
| | 2799 | | if(_member is PropertyInfo propy) |
| | 2800 | | return propy.GetValue(obj); |
| | 2801 | | else if(_member is FieldInfo field) |
| | 2802 | | return field.GetValue(obj); |
| | 2803 | | else |
| | 2804 | | throw new InvalidProgramException("unreachable condition"); |
| | 2805 | | } |
| | 2806 | |
|
| | 2807 | | private static Type GetMemberType(MemberInfo m) |
| | 2808 | | { |
| | 2809 | | switch(m.MemberType) |
| | 2810 | | { |
| | 2811 | | case MemberTypes.Property: return ((PropertyInfo)m).PropertyType; |
| | 2812 | | case MemberTypes.Field: return ((FieldInfo)m).FieldType; |
| | 2813 | | default: throw new InvalidProgramException($"{nameof(TableMapping)} supports properties or fields only."); |
| | 2814 | | } |
| | 2815 | | } |
| | 2816 | | } |
| | 2817 | |
|
| | 2818 | | internal enum MapMethod |
| | 2819 | | { |
| | 2820 | | ByName, |
| | 2821 | | ByPosition |
| | 2822 | | } |
| | 2823 | | } |
| | 2824 | |
|
| | 2825 | | class EnumCacheInfo |
| | 2826 | | { |
| | 2827 | | public EnumCacheInfo (Type type) |
| | 2828 | | { |
| | 2829 | | var typeInfo = type.GetTypeInfo (); |
| | 2830 | |
|
| | 2831 | | IsEnum = typeInfo.IsEnum; |
| | 2832 | |
|
| | 2833 | | if (IsEnum) { |
| | 2834 | | StoreAsText = typeInfo.CustomAttributes.Any (x => x.AttributeType == typeof (StoreAsTextAttribute)); |
| | 2835 | |
|
| | 2836 | | if (StoreAsText) { |
| | 2837 | | EnumValues = new Dictionary<int, string> (); |
| | 2838 | | foreach (object e in Enum.GetValues (type)) { |
| | 2839 | | EnumValues[Convert.ToInt32 (e)] = e.ToString (); |
| | 2840 | | } |
| | 2841 | | } |
| | 2842 | | } |
| | 2843 | | } |
| | 2844 | |
|
| | 2845 | | public bool IsEnum { get; private set; } |
| | 2846 | |
|
| | 2847 | | public bool StoreAsText { get; private set; } |
| | 2848 | |
|
| | 2849 | | public Dictionary<int, string> EnumValues { get; private set; } |
| | 2850 | | } |
| | 2851 | |
|
| | 2852 | | static class EnumCache |
| | 2853 | | { |
| | 2854 | | static readonly Dictionary<Type, EnumCacheInfo> Cache = new Dictionary<Type, EnumCacheInfo> (); |
| | 2855 | |
|
| | 2856 | | public static EnumCacheInfo GetInfo<T> () |
| | 2857 | | { |
| | 2858 | | return GetInfo (typeof (T)); |
| | 2859 | | } |
| | 2860 | |
|
| | 2861 | | public static EnumCacheInfo GetInfo (Type type) |
| | 2862 | | { |
| | 2863 | | lock (Cache) { |
| | 2864 | | EnumCacheInfo info = null; |
| | 2865 | | if (!Cache.TryGetValue (type, out info)) { |
| | 2866 | | info = new EnumCacheInfo (type); |
| | 2867 | | Cache[type] = info; |
| | 2868 | | } |
| | 2869 | |
|
| | 2870 | | return info; |
| | 2871 | | } |
| | 2872 | | } |
| | 2873 | | } |
| | 2874 | |
|
| | 2875 | | public static class Orm |
| | 2876 | | { |
| | 2877 | | public const int DefaultMaxStringLength = 140; |
| | 2878 | | public const string ImplicitPkName = "Id"; |
| | 2879 | | public const string ImplicitIndexSuffix = "Id"; |
| | 2880 | |
|
| | 2881 | | public static Type GetType (object obj) |
| | 2882 | | { |
| | 2883 | | if (obj == null) |
| | 2884 | | return typeof (object); |
| | 2885 | | var rt = obj as IReflectableType; |
| | 2886 | | if (rt != null) |
| | 2887 | | return rt.GetTypeInfo ().AsType (); |
| | 2888 | | return obj.GetType (); |
| | 2889 | | } |
| | 2890 | |
|
| | 2891 | | public static string SqlDecl (TableMapping.Column p, bool storeDateTimeAsTicks, bool storeTimeSpanAsTicks) |
| | 2892 | | { |
| | 2893 | | string decl = "\"" + p.Name + "\" " + SqlType (p, storeDateTimeAsTicks, storeTimeSpanAsTicks) + " "; |
| | 2894 | |
|
| | 2895 | | if (p.IsPK) { |
| | 2896 | | decl += "primary key "; |
| | 2897 | | } |
| | 2898 | | if (p.IsAutoInc) { |
| | 2899 | | decl += "autoincrement "; |
| | 2900 | | } |
| | 2901 | | if (!p.IsNullable) { |
| | 2902 | | decl += "not null "; |
| | 2903 | | } |
| | 2904 | | if (!string.IsNullOrEmpty (p.Collation)) { |
| | 2905 | | decl += "collate " + p.Collation + " "; |
| | 2906 | | } |
| | 2907 | |
|
| | 2908 | | return decl; |
| | 2909 | | } |
| | 2910 | |
|
| | 2911 | | public static string SqlType (TableMapping.Column p, bool storeDateTimeAsTicks, bool storeTimeSpanAsTicks) |
| | 2912 | | { |
| | 2913 | | var clrType = p.ColumnType; |
| | 2914 | | if (clrType == typeof (Boolean) || clrType == typeof (Byte) || clrType == typeof (UInt16) || clrType == typeof (SB |
| | 2915 | | return "integer"; |
| | 2916 | | } |
| | 2917 | | else if (clrType == typeof (Single) || clrType == typeof (Double) || clrType == typeof (Decimal)) { |
| | 2918 | | return "float"; |
| | 2919 | | } |
| | 2920 | | else if (clrType == typeof (String) || clrType == typeof (StringBuilder) || clrType == typeof (Uri) || clrType == |
| | 2921 | | int? len = p.MaxStringLength; |
| | 2922 | |
|
| | 2923 | | if (len.HasValue) |
| | 2924 | | return "varchar(" + len.Value + ")"; |
| | 2925 | |
|
| | 2926 | | return "varchar"; |
| | 2927 | | } |
| | 2928 | | else if (clrType == typeof (TimeSpan)) { |
| | 2929 | | return storeTimeSpanAsTicks ? "bigint" : "time"; |
| | 2930 | | } |
| | 2931 | | else if (clrType == typeof (DateTime)) { |
| | 2932 | | return storeDateTimeAsTicks ? "bigint" : "datetime"; |
| | 2933 | | } |
| | 2934 | | else if (clrType == typeof (DateTimeOffset)) { |
| | 2935 | | return "bigint"; |
| | 2936 | | } |
| | 2937 | | else if (clrType.GetTypeInfo ().IsEnum) { |
| | 2938 | | if (p.StoreAsText) |
| | 2939 | | return "varchar"; |
| | 2940 | | else |
| | 2941 | | return "integer"; |
| | 2942 | | } |
| | 2943 | | else if (clrType == typeof (byte[])) { |
| | 2944 | | return "blob"; |
| | 2945 | | } |
| | 2946 | | else if (clrType == typeof (Guid)) { |
| | 2947 | | return "varchar(36)"; |
| | 2948 | | } |
| | 2949 | | else { |
| | 2950 | | throw new NotSupportedException ("Don't know about " + clrType); |
| | 2951 | | } |
| | 2952 | | } |
| | 2953 | |
|
| | 2954 | | public static bool IsPK (MemberInfo p) |
| | 2955 | | { |
| | 2956 | | return p.CustomAttributes.Any (x => x.AttributeType == typeof (PrimaryKeyAttribute)); |
| | 2957 | | } |
| | 2958 | |
|
| | 2959 | | public static string Collation (MemberInfo p) |
| | 2960 | | { |
| | 2961 | | #if ENABLE_IL2CPP |
| | 2962 | | return (p.GetCustomAttribute<CollationAttribute> ()?.Value) ?? ""; |
| | 2963 | | #else |
| | 2964 | | return |
| | 2965 | | (p.CustomAttributes |
| | 2966 | | .Where (x => typeof (CollationAttribute) == x.AttributeType) |
| | 2967 | | .Select (x => { |
| | 2968 | | var args = x.ConstructorArguments; |
| | 2969 | | return args.Count > 0 ? ((args[0].Value as string) ?? "") : ""; |
| | 2970 | | }) |
| | 2971 | | .FirstOrDefault ()) ?? ""; |
| | 2972 | | #endif |
| | 2973 | | } |
| | 2974 | |
|
| | 2975 | | public static bool IsAutoInc (MemberInfo p) |
| | 2976 | | { |
| | 2977 | | return p.CustomAttributes.Any (x => x.AttributeType == typeof (AutoIncrementAttribute)); |
| | 2978 | | } |
| | 2979 | |
|
| | 2980 | | public static FieldInfo GetField (TypeInfo t, string name) |
| | 2981 | | { |
| | 2982 | | var f = t.GetDeclaredField (name); |
| | 2983 | | if (f != null) |
| | 2984 | | return f; |
| | 2985 | | return GetField (t.BaseType.GetTypeInfo (), name); |
| | 2986 | | } |
| | 2987 | |
|
| | 2988 | | public static PropertyInfo GetProperty (TypeInfo t, string name) |
| | 2989 | | { |
| | 2990 | | var f = t.GetDeclaredProperty (name); |
| | 2991 | | if (f != null) |
| | 2992 | | return f; |
| | 2993 | | return GetProperty (t.BaseType.GetTypeInfo (), name); |
| | 2994 | | } |
| | 2995 | |
|
| | 2996 | | public static object InflateAttribute (CustomAttributeData x) |
| | 2997 | | { |
| | 2998 | | var atype = x.AttributeType; |
| | 2999 | | var typeInfo = atype.GetTypeInfo (); |
| | 3000 | | #if ENABLE_IL2CPP |
| | 3001 | | var r = Activator.CreateInstance (x.AttributeType); |
| | 3002 | | #else |
| | 3003 | | var args = x.ConstructorArguments.Select (a => a.Value).ToArray (); |
| | 3004 | | var r = Activator.CreateInstance (x.AttributeType, args); |
| | 3005 | | foreach (var arg in x.NamedArguments) { |
| | 3006 | | if (arg.IsField) { |
| | 3007 | | GetField (typeInfo, arg.MemberName).SetValue (r, arg.TypedValue.Value); |
| | 3008 | | } |
| | 3009 | | else { |
| | 3010 | | GetProperty (typeInfo, arg.MemberName).SetValue (r, arg.TypedValue.Value); |
| | 3011 | | } |
| | 3012 | | } |
| | 3013 | | #endif |
| | 3014 | | return r; |
| | 3015 | | } |
| | 3016 | |
|
| | 3017 | | public static IEnumerable<IndexedAttribute> GetIndices (MemberInfo p) |
| | 3018 | | { |
| | 3019 | | #if ENABLE_IL2CPP |
| | 3020 | | return p.GetCustomAttributes<IndexedAttribute> (); |
| | 3021 | | #else |
| | 3022 | | var indexedInfo = typeof (IndexedAttribute).GetTypeInfo (); |
| | 3023 | | return |
| | 3024 | | p.CustomAttributes |
| | 3025 | | .Where (x => indexedInfo.IsAssignableFrom (x.AttributeType.GetTypeInfo ())) |
| | 3026 | | .Select (x => (IndexedAttribute)InflateAttribute (x)); |
| | 3027 | | #endif |
| | 3028 | | } |
| | 3029 | |
|
| | 3030 | | public static int? MaxStringLength (MemberInfo p) |
| | 3031 | | { |
| | 3032 | | #if ENABLE_IL2CPP |
| | 3033 | | return p.GetCustomAttribute<MaxLengthAttribute> ()?.Value; |
| | 3034 | | #else |
| | 3035 | | var attr = p.CustomAttributes.FirstOrDefault (x => x.AttributeType == typeof (MaxLengthAttribute)); |
| | 3036 | | if (attr != null) { |
| | 3037 | | var attrv = (MaxLengthAttribute)InflateAttribute (attr); |
| | 3038 | | return attrv.Value; |
| | 3039 | | } |
| | 3040 | | return null; |
| | 3041 | | #endif |
| | 3042 | | } |
| | 3043 | |
|
| | 3044 | | public static int? MaxStringLength (PropertyInfo p) => MaxStringLength((MemberInfo)p); |
| | 3045 | |
|
| | 3046 | | public static bool IsMarkedNotNull (MemberInfo p) |
| | 3047 | | { |
| | 3048 | | return p.CustomAttributes.Any (x => x.AttributeType == typeof (NotNullAttribute)); |
| | 3049 | | } |
| | 3050 | | } |
| | 3051 | |
|
| | 3052 | | public partial class SQLiteCommand |
| | 3053 | | { |
| | 3054 | | SQLiteConnection _conn; |
| | 3055 | | private List<Binding> _bindings; |
| | 3056 | |
|
| | 3057 | | public string CommandText { get; set; } |
| | 3058 | |
|
| | 3059 | | public SQLiteCommand (SQLiteConnection conn) |
| | 3060 | | { |
| | 3061 | | _conn = conn; |
| | 3062 | | _bindings = new List<Binding> (); |
| | 3063 | | CommandText = ""; |
| | 3064 | | } |
| | 3065 | |
|
| | 3066 | | public int ExecuteNonQuery () |
| | 3067 | | { |
| | 3068 | | if (_conn.Trace) { |
| | 3069 | | _conn.Tracer?.Invoke ("Executing: " + this); |
| | 3070 | | } |
| | 3071 | |
|
| | 3072 | | var r = SQLite3.Result.OK; |
| | 3073 | | var stmt = Prepare (); |
| | 3074 | | r = SQLite3.Step (stmt); |
| | 3075 | | Finalize (stmt); |
| | 3076 | | if (r == SQLite3.Result.Done) { |
| | 3077 | | int rowsAffected = SQLite3.Changes (_conn.Handle); |
| | 3078 | | return rowsAffected; |
| | 3079 | | } |
| | 3080 | | else if (r == SQLite3.Result.Error) { |
| | 3081 | | string msg = SQLite3.GetErrmsg (_conn.Handle); |
| | 3082 | | throw SQLiteException.New (r, msg); |
| | 3083 | | } |
| | 3084 | | else if (r == SQLite3.Result.Constraint) { |
| | 3085 | | if (SQLite3.ExtendedErrCode (_conn.Handle) == SQLite3.ExtendedResult.ConstraintNotNull) { |
| | 3086 | | throw NotNullConstraintViolationException.New (r, SQLite3.GetErrmsg (_conn.Handle)); |
| | 3087 | | } |
| | 3088 | | } |
| | 3089 | |
|
| | 3090 | | throw SQLiteException.New (r, SQLite3.GetErrmsg (_conn.Handle)); |
| | 3091 | | } |
| | 3092 | |
|
| | 3093 | | public IEnumerable<T> ExecuteDeferredQuery<T> () |
| | 3094 | | { |
| | 3095 | | return ExecuteDeferredQuery<T> (_conn.GetMapping (typeof (T))); |
| | 3096 | | } |
| | 3097 | |
|
| | 3098 | | public List<T> ExecuteQuery<T> () |
| | 3099 | | { |
| | 3100 | | return ExecuteDeferredQuery<T> (_conn.GetMapping (typeof (T))).ToList (); |
| | 3101 | | } |
| | 3102 | |
|
| | 3103 | | public List<T> ExecuteQuery<T> (TableMapping map) |
| | 3104 | | { |
| | 3105 | | return ExecuteDeferredQuery<T> (map).ToList (); |
| | 3106 | | } |
| | 3107 | |
|
| | 3108 | | /// <summary> |
| | 3109 | | /// Invoked every time an instance is loaded from the database. |
| | 3110 | | /// </summary> |
| | 3111 | | /// <param name='obj'> |
| | 3112 | | /// The newly created object. |
| | 3113 | | /// </param> |
| | 3114 | | /// <remarks> |
| | 3115 | | /// This can be overridden in combination with the <see cref="SQLiteConnection.NewCommand"/> |
| | 3116 | | /// method to hook into the life-cycle of objects. |
| | 3117 | | /// </remarks> |
| | 3118 | | protected virtual void OnInstanceCreated (object obj) |
| | 3119 | | { |
| | 3120 | | // Can be overridden. |
| | 3121 | | } |
| | 3122 | |
|
| | 3123 | | public IEnumerable<T> ExecuteDeferredQuery<T> (TableMapping map) |
| | 3124 | | { |
| | 3125 | | if (_conn.Trace) { |
| | 3126 | | _conn.Tracer?.Invoke ("Executing Query: " + this); |
| | 3127 | | } |
| | 3128 | |
|
| | 3129 | | var stmt = Prepare (); |
| | 3130 | | try { |
| | 3131 | | var cols = new TableMapping.Column[SQLite3.ColumnCount (stmt)]; |
| | 3132 | | var fastColumnSetters = new Action<object, Sqlite3Statement, int>[SQLite3.ColumnCount (stmt)]; |
| | 3133 | |
|
| | 3134 | | if (map.Method == TableMapping.MapMethod.ByPosition) |
| | 3135 | | { |
| | 3136 | | Array.Copy(map.Columns, cols, Math.Min(cols.Length, map.Columns.Length)); |
| | 3137 | | } |
| | 3138 | | else if (map.Method == TableMapping.MapMethod.ByName) { |
| | 3139 | | MethodInfo getSetter = null; |
| | 3140 | | if (typeof(T) != map.MappedType) { |
| | 3141 | | getSetter = typeof(FastColumnSetter) |
| | 3142 | | .GetMethod (nameof(FastColumnSetter.GetFastSetter), |
| | 3143 | | BindingFlags.NonPublic | BindingFlags.Static).MakeGenericMethod (map.MappedType); |
| | 3144 | | } |
| | 3145 | |
|
| | 3146 | | for (int i = 0; i < cols.Length; i++) { |
| | 3147 | | var name = SQLite3.ColumnName16 (stmt, i); |
| | 3148 | | cols[i] = map.FindColumn (name); |
| | 3149 | | if (cols[i] != null) |
| | 3150 | | if (getSetter != null) { |
| | 3151 | | fastColumnSetters[i] = (Action<object, Sqlite3Statement, int>)getSetter.Invoke(null, new object[]{ _conn |
| | 3152 | | } |
| | 3153 | | else { |
| | 3154 | | fastColumnSetters[i] = FastColumnSetter.GetFastSetter<T>(_conn, cols[i]); |
| | 3155 | | } |
| | 3156 | | } |
| | 3157 | | } |
| | 3158 | |
|
| | 3159 | | while (SQLite3.Step (stmt) == SQLite3.Result.Row) { |
| | 3160 | | var obj = Activator.CreateInstance (map.MappedType); |
| | 3161 | | for (int i = 0; i < cols.Length; i++) { |
| | 3162 | | if (cols[i] == null) |
| | 3163 | | continue; |
| | 3164 | |
|
| | 3165 | | if (fastColumnSetters[i] != null) { |
| | 3166 | | fastColumnSetters[i].Invoke (obj, stmt, i); |
| | 3167 | | } |
| | 3168 | | else { |
| | 3169 | | var colType = SQLite3.ColumnType (stmt, i); |
| | 3170 | | var val = ReadCol (stmt, i, colType, cols[i].ColumnType); |
| | 3171 | | cols[i].SetValue (obj, val); |
| | 3172 | | } |
| | 3173 | | } |
| | 3174 | | OnInstanceCreated (obj); |
| | 3175 | | yield return (T)obj; |
| | 3176 | | } |
| | 3177 | | } |
| | 3178 | | finally { |
| | 3179 | | SQLite3.Finalize (stmt); |
| | 3180 | | } |
| | 3181 | | } |
| | 3182 | |
|
| | 3183 | | public T ExecuteScalar<T> () |
| | 3184 | | { |
| | 3185 | | if (_conn.Trace) { |
| | 3186 | | _conn.Tracer?.Invoke ("Executing Query: " + this); |
| | 3187 | | } |
| | 3188 | |
|
| | 3189 | | T val = default (T); |
| | 3190 | |
|
| | 3191 | | var stmt = Prepare (); |
| | 3192 | |
|
| | 3193 | | try { |
| | 3194 | | var r = SQLite3.Step (stmt); |
| | 3195 | | if (r == SQLite3.Result.Row) { |
| | 3196 | | var colType = SQLite3.ColumnType (stmt, 0); |
| | 3197 | | var colval = ReadCol (stmt, 0, colType, typeof (T)); |
| | 3198 | | if (colval != null) { |
| | 3199 | | val = (T)colval; |
| | 3200 | | } |
| | 3201 | | } |
| | 3202 | | else if (r == SQLite3.Result.Done) { |
| | 3203 | | } |
| | 3204 | | else { |
| | 3205 | | throw SQLiteException.New (r, SQLite3.GetErrmsg (_conn.Handle)); |
| | 3206 | | } |
| | 3207 | | } |
| | 3208 | | finally { |
| | 3209 | | Finalize (stmt); |
| | 3210 | | } |
| | 3211 | |
|
| | 3212 | | return val; |
| | 3213 | | } |
| | 3214 | |
|
| | 3215 | | public IEnumerable<T> ExecuteQueryScalars<T> () |
| | 3216 | | { |
| | 3217 | | if (_conn.Trace) { |
| | 3218 | | _conn.Tracer?.Invoke ("Executing Query: " + this); |
| | 3219 | | } |
| | 3220 | | var stmt = Prepare (); |
| | 3221 | | try { |
| | 3222 | | if (SQLite3.ColumnCount (stmt) < 1) { |
| | 3223 | | throw new InvalidOperationException ("QueryScalars should return at least one column"); |
| | 3224 | | } |
| | 3225 | | while (SQLite3.Step (stmt) == SQLite3.Result.Row) { |
| | 3226 | | var colType = SQLite3.ColumnType (stmt, 0); |
| | 3227 | | var val = ReadCol (stmt, 0, colType, typeof (T)); |
| | 3228 | | if (val == null) { |
| | 3229 | | yield return default (T); |
| | 3230 | | } |
| | 3231 | | else { |
| | 3232 | | yield return (T)val; |
| | 3233 | | } |
| | 3234 | | } |
| | 3235 | | } |
| | 3236 | | finally { |
| | 3237 | | Finalize (stmt); |
| | 3238 | | } |
| | 3239 | | } |
| | 3240 | |
|
| | 3241 | | public void Bind (string name, object val) |
| | 3242 | | { |
| | 3243 | | _bindings.Add (new Binding { |
| | 3244 | | Name = name, |
| | 3245 | | Value = val |
| | 3246 | | }); |
| | 3247 | | } |
| | 3248 | |
|
| | 3249 | | public void Bind (object val) |
| | 3250 | | { |
| | 3251 | | Bind (null, val); |
| | 3252 | | } |
| | 3253 | |
|
| | 3254 | | public override string ToString () |
| | 3255 | | { |
| | 3256 | | var parts = new string[1 + _bindings.Count]; |
| | 3257 | | parts[0] = CommandText; |
| | 3258 | | var i = 1; |
| | 3259 | | foreach (var b in _bindings) { |
| | 3260 | | parts[i] = string.Format (" {0}: {1}", i - 1, b.Value); |
| | 3261 | | i++; |
| | 3262 | | } |
| | 3263 | | return string.Join (Environment.NewLine, parts); |
| | 3264 | | } |
| | 3265 | |
|
| | 3266 | | Sqlite3Statement Prepare () |
| | 3267 | | { |
| | 3268 | | var stmt = SQLite3.Prepare2 (_conn.Handle, CommandText); |
| | 3269 | | BindAll (stmt); |
| | 3270 | | return stmt; |
| | 3271 | | } |
| | 3272 | |
|
| | 3273 | | void Finalize (Sqlite3Statement stmt) |
| | 3274 | | { |
| | 3275 | | SQLite3.Finalize (stmt); |
| | 3276 | | } |
| | 3277 | |
|
| | 3278 | | void BindAll (Sqlite3Statement stmt) |
| | 3279 | | { |
| | 3280 | | int nextIdx = 1; |
| | 3281 | | foreach (var b in _bindings) { |
| | 3282 | | if (b.Name != null) { |
| | 3283 | | b.Index = SQLite3.BindParameterIndex (stmt, b.Name); |
| | 3284 | | } |
| | 3285 | | else { |
| | 3286 | | b.Index = nextIdx++; |
| | 3287 | | } |
| | 3288 | |
|
| | 3289 | | BindParameter (stmt, b.Index, b.Value, _conn.StoreDateTimeAsTicks, _conn.DateTimeStringFormat, _conn.StoreTimeSp |
| | 3290 | | } |
| | 3291 | | } |
| | 3292 | |
|
| | 3293 | | static IntPtr NegativePointer = new IntPtr (-1); |
| | 3294 | |
|
| | 3295 | | internal static void BindParameter (Sqlite3Statement stmt, int index, object value, bool storeDateTimeAsTicks, strin |
| | 3296 | | { |
| | 3297 | | if (value == null) { |
| | 3298 | | SQLite3.BindNull (stmt, index); |
| | 3299 | | } |
| | 3300 | | else { |
| | 3301 | | if (value is Int32) { |
| | 3302 | | SQLite3.BindInt (stmt, index, (int)value); |
| | 3303 | | } |
| | 3304 | | else if (value is String) { |
| | 3305 | | SQLite3.BindText (stmt, index, (string)value, -1, NegativePointer); |
| | 3306 | | } |
| | 3307 | | else if (value is Byte || value is UInt16 || value is SByte || value is Int16) { |
| | 3308 | | SQLite3.BindInt (stmt, index, Convert.ToInt32 (value)); |
| | 3309 | | } |
| | 3310 | | else if (value is Boolean) { |
| | 3311 | | SQLite3.BindInt (stmt, index, (bool)value ? 1 : 0); |
| | 3312 | | } |
| | 3313 | | else if (value is UInt32 || value is Int64 || value is UInt64) { |
| | 3314 | | SQLite3.BindInt64 (stmt, index, Convert.ToInt64 (value)); |
| | 3315 | | } |
| | 3316 | | else if (value is Single || value is Double || value is Decimal) { |
| | 3317 | | SQLite3.BindDouble (stmt, index, Convert.ToDouble (value)); |
| | 3318 | | } |
| | 3319 | | else if (value is TimeSpan) { |
| | 3320 | | if (storeTimeSpanAsTicks) { |
| | 3321 | | SQLite3.BindInt64 (stmt, index, ((TimeSpan)value).Ticks); |
| | 3322 | | } |
| | 3323 | | else { |
| | 3324 | | SQLite3.BindText (stmt, index, ((TimeSpan)value).ToString (), -1, NegativePointer); |
| | 3325 | | } |
| | 3326 | | } |
| | 3327 | | else if (value is DateTime) { |
| | 3328 | | if (storeDateTimeAsTicks) { |
| | 3329 | | SQLite3.BindInt64 (stmt, index, ((DateTime)value).Ticks); |
| | 3330 | | } |
| | 3331 | | else { |
| | 3332 | | SQLite3.BindText (stmt, index, ((DateTime)value).ToString (dateTimeStringFormat, System.Globalization.Cultur |
| | 3333 | | } |
| | 3334 | | } |
| | 3335 | | else if (value is DateTimeOffset) { |
| | 3336 | | SQLite3.BindInt64 (stmt, index, ((DateTimeOffset)value).UtcTicks); |
| | 3337 | | } |
| | 3338 | | else if (value is byte[]) { |
| | 3339 | | SQLite3.BindBlob (stmt, index, (byte[])value, ((byte[])value).Length, NegativePointer); |
| | 3340 | | } |
| | 3341 | | else if (value is Guid) { |
| | 3342 | | SQLite3.BindText (stmt, index, ((Guid)value).ToString (), 72, NegativePointer); |
| | 3343 | | } |
| | 3344 | | else if (value is Uri) { |
| | 3345 | | SQLite3.BindText (stmt, index, ((Uri)value).ToString (), -1, NegativePointer); |
| | 3346 | | } |
| | 3347 | | else if (value is StringBuilder) { |
| | 3348 | | SQLite3.BindText (stmt, index, ((StringBuilder)value).ToString (), -1, NegativePointer); |
| | 3349 | | } |
| | 3350 | | else if (value is UriBuilder) { |
| | 3351 | | SQLite3.BindText (stmt, index, ((UriBuilder)value).ToString (), -1, NegativePointer); |
| | 3352 | | } |
| | 3353 | | else { |
| | 3354 | | // Now we could possibly get an enum, retrieve cached info |
| | 3355 | | var valueType = value.GetType (); |
| | 3356 | | var enumInfo = EnumCache.GetInfo (valueType); |
| | 3357 | | if (enumInfo.IsEnum) { |
| | 3358 | | var enumIntValue = Convert.ToInt32 (value); |
| | 3359 | | if (enumInfo.StoreAsText) |
| | 3360 | | SQLite3.BindText (stmt, index, enumInfo.EnumValues[enumIntValue], -1, NegativePointer); |
| | 3361 | | else |
| | 3362 | | SQLite3.BindInt (stmt, index, enumIntValue); |
| | 3363 | | } |
| | 3364 | | else { |
| | 3365 | | throw new NotSupportedException ("Cannot store type: " + Orm.GetType (value)); |
| | 3366 | | } |
| | 3367 | | } |
| | 3368 | | } |
| | 3369 | | } |
| | 3370 | |
|
| | 3371 | | class Binding |
| | 3372 | | { |
| | 3373 | | public string Name { get; set; } |
| | 3374 | |
|
| | 3375 | | public object Value { get; set; } |
| | 3376 | |
|
| | 3377 | | public int Index { get; set; } |
| | 3378 | | } |
| | 3379 | |
|
| | 3380 | | object ReadCol (Sqlite3Statement stmt, int index, SQLite3.ColType type, Type clrType) |
| | 3381 | | { |
| | 3382 | | if (type == SQLite3.ColType.Null) { |
| | 3383 | | return null; |
| | 3384 | | } |
| | 3385 | | else { |
| | 3386 | | var clrTypeInfo = clrType.GetTypeInfo (); |
| | 3387 | | if (clrTypeInfo.IsGenericType && clrTypeInfo.GetGenericTypeDefinition () == typeof (Nullable<>)) { |
| | 3388 | | clrType = clrTypeInfo.GenericTypeArguments[0]; |
| | 3389 | | clrTypeInfo = clrType.GetTypeInfo (); |
| | 3390 | | } |
| | 3391 | |
|
| | 3392 | | if (clrType == typeof (String)) { |
| | 3393 | | return SQLite3.ColumnString (stmt, index); |
| | 3394 | | } |
| | 3395 | | else if (clrType == typeof (Int32)) { |
| | 3396 | | return (int)SQLite3.ColumnInt (stmt, index); |
| | 3397 | | } |
| | 3398 | | else if (clrType == typeof (Boolean)) { |
| | 3399 | | return SQLite3.ColumnInt (stmt, index) == 1; |
| | 3400 | | } |
| | 3401 | | else if (clrType == typeof (double)) { |
| | 3402 | | return SQLite3.ColumnDouble (stmt, index); |
| | 3403 | | } |
| | 3404 | | else if (clrType == typeof (float)) { |
| | 3405 | | return (float)SQLite3.ColumnDouble (stmt, index); |
| | 3406 | | } |
| | 3407 | | else if (clrType == typeof (TimeSpan)) { |
| | 3408 | | if (_conn.StoreTimeSpanAsTicks) { |
| | 3409 | | return new TimeSpan (SQLite3.ColumnInt64 (stmt, index)); |
| | 3410 | | } |
| | 3411 | | else { |
| | 3412 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3413 | | TimeSpan resultTime; |
| | 3414 | | if (!TimeSpan.TryParseExact (text, "c", System.Globalization.CultureInfo.InvariantCulture, System.Globalizat |
| | 3415 | | resultTime = TimeSpan.Parse (text); |
| | 3416 | | } |
| | 3417 | | return resultTime; |
| | 3418 | | } |
| | 3419 | | } |
| | 3420 | | else if (clrType == typeof (DateTime)) { |
| | 3421 | | if (_conn.StoreDateTimeAsTicks) { |
| | 3422 | | return new DateTime (SQLite3.ColumnInt64 (stmt, index)); |
| | 3423 | | } |
| | 3424 | | else { |
| | 3425 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3426 | | DateTime resultDate; |
| | 3427 | | if (!DateTime.TryParseExact (text, _conn.DateTimeStringFormat, System.Globalization.CultureInfo.InvariantCul |
| | 3428 | | resultDate = DateTime.Parse (text); |
| | 3429 | | } |
| | 3430 | | return resultDate; |
| | 3431 | | } |
| | 3432 | | } |
| | 3433 | | else if (clrType == typeof (DateTimeOffset)) { |
| | 3434 | | return new DateTimeOffset (SQLite3.ColumnInt64 (stmt, index), TimeSpan.Zero); |
| | 3435 | | } |
| | 3436 | | else if (clrTypeInfo.IsEnum) { |
| | 3437 | | if (type == SQLite3.ColType.Text) { |
| | 3438 | | var value = SQLite3.ColumnString (stmt, index); |
| | 3439 | | return Enum.Parse (clrType, value.ToString (), true); |
| | 3440 | | } |
| | 3441 | | else |
| | 3442 | | return SQLite3.ColumnInt (stmt, index); |
| | 3443 | | } |
| | 3444 | | else if (clrType == typeof (Int64)) { |
| | 3445 | | return SQLite3.ColumnInt64 (stmt, index); |
| | 3446 | | } |
| | 3447 | | else if (clrType == typeof (UInt64)) { |
| | 3448 | | return (ulong)SQLite3.ColumnInt64 (stmt, index); |
| | 3449 | | } |
| | 3450 | | else if (clrType == typeof (UInt32)) { |
| | 3451 | | return (uint)SQLite3.ColumnInt64 (stmt, index); |
| | 3452 | | } |
| | 3453 | | else if (clrType == typeof (decimal)) { |
| | 3454 | | return (decimal)SQLite3.ColumnDouble (stmt, index); |
| | 3455 | | } |
| | 3456 | | else if (clrType == typeof (Byte)) { |
| | 3457 | | return (byte)SQLite3.ColumnInt (stmt, index); |
| | 3458 | | } |
| | 3459 | | else if (clrType == typeof (UInt16)) { |
| | 3460 | | return (ushort)SQLite3.ColumnInt (stmt, index); |
| | 3461 | | } |
| | 3462 | | else if (clrType == typeof (Int16)) { |
| | 3463 | | return (short)SQLite3.ColumnInt (stmt, index); |
| | 3464 | | } |
| | 3465 | | else if (clrType == typeof (sbyte)) { |
| | 3466 | | return (sbyte)SQLite3.ColumnInt (stmt, index); |
| | 3467 | | } |
| | 3468 | | else if (clrType == typeof (byte[])) { |
| | 3469 | | return SQLite3.ColumnByteArray (stmt, index); |
| | 3470 | | } |
| | 3471 | | else if (clrType == typeof (Guid)) { |
| | 3472 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3473 | | return new Guid (text); |
| | 3474 | | } |
| | 3475 | | else if (clrType == typeof (Uri)) { |
| | 3476 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3477 | | return new Uri (text); |
| | 3478 | | } |
| | 3479 | | else if (clrType == typeof (StringBuilder)) { |
| | 3480 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3481 | | return new StringBuilder (text); |
| | 3482 | | } |
| | 3483 | | else if (clrType == typeof (UriBuilder)) { |
| | 3484 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3485 | | return new UriBuilder (text); |
| | 3486 | | } |
| | 3487 | | else { |
| | 3488 | | throw new NotSupportedException ("Don't know how to read " + clrType); |
| | 3489 | | } |
| | 3490 | | } |
| | 3491 | | } |
| | 3492 | | } |
| | 3493 | |
|
| | 3494 | | internal class FastColumnSetter |
| | 3495 | | { |
| | 3496 | | /// <summary> |
| | 3497 | | /// Creates a delegate that can be used to quickly set object members from query columns. |
| | 3498 | | /// |
| | 3499 | | /// Note that this frontloads the slow reflection-based type checking for columns to only happen once at the beginni |
| | 3500 | | /// and then afterwards each row of the query can invoke the delegate returned by this function to get much better p |
| | 3501 | | /// </summary> |
| | 3502 | | /// <typeparam name="T">The type of the destination object that the query will read into</typeparam> |
| | 3503 | | /// <param name="conn">The active connection. Note that this is primarily needed in order to read preferences regar |
| | 3504 | | /// <param name="column">The table mapping used to map the statement column to a member of the destination object ty |
| | 3505 | | /// <returns> |
| | 3506 | | /// A delegate for fast-setting of object members from statement columns. |
| | 3507 | | /// |
| | 3508 | | /// If no fast setter is available for the requested column (enums in particular cause headache), then this function |
| | 3509 | | /// </returns> |
| | 3510 | | internal static Action<object, Sqlite3Statement, int> GetFastSetter<T> (SQLiteConnection conn, TableMapping.Column c |
| | 3511 | | { |
| | 3512 | | Action<object, Sqlite3Statement, int> fastSetter = null; |
| | 3513 | |
|
| | 3514 | | Type clrType = column.PropertyInfo.PropertyType; |
| | 3515 | |
|
| | 3516 | | var clrTypeInfo = clrType.GetTypeInfo (); |
| | 3517 | | if (clrTypeInfo.IsGenericType && clrTypeInfo.GetGenericTypeDefinition () == typeof (Nullable<>)) { |
| | 3518 | | clrType = clrTypeInfo.GenericTypeArguments[0]; |
| | 3519 | | clrTypeInfo = clrType.GetTypeInfo (); |
| | 3520 | | } |
| | 3521 | |
|
| | 3522 | | if (clrType == typeof (String)) { |
| | 3523 | | fastSetter = CreateTypedSetterDelegate<T, string> (column, (stmt, index) => { |
| | 3524 | | return SQLite3.ColumnString (stmt, index); |
| | 3525 | | }); |
| | 3526 | | } |
| | 3527 | | else if (clrType == typeof (Int32)) { |
| | 3528 | | fastSetter = CreateNullableTypedSetterDelegate<T, int> (column, (stmt, index)=>{ |
| | 3529 | | return SQLite3.ColumnInt (stmt, index); |
| | 3530 | | }); |
| | 3531 | | } |
| | 3532 | | else if (clrType == typeof (Boolean)) { |
| | 3533 | | fastSetter = CreateNullableTypedSetterDelegate<T, bool> (column, (stmt, index) => { |
| | 3534 | | return SQLite3.ColumnInt (stmt, index) == 1; |
| | 3535 | | }); |
| | 3536 | | } |
| | 3537 | | else if (clrType == typeof (double)) { |
| | 3538 | | fastSetter = CreateNullableTypedSetterDelegate<T, double> (column, (stmt, index) => { |
| | 3539 | | return SQLite3.ColumnDouble (stmt, index); |
| | 3540 | | }); |
| | 3541 | | } |
| | 3542 | | else if (clrType == typeof (float)) { |
| | 3543 | | fastSetter = CreateNullableTypedSetterDelegate<T, float> (column, (stmt, index) => { |
| | 3544 | | return (float) SQLite3.ColumnDouble (stmt, index); |
| | 3545 | | }); |
| | 3546 | | } |
| | 3547 | | else if (clrType == typeof (TimeSpan)) { |
| | 3548 | | if (conn.StoreTimeSpanAsTicks) { |
| | 3549 | | fastSetter = CreateNullableTypedSetterDelegate<T, TimeSpan> (column, (stmt, index) => { |
| | 3550 | | return new TimeSpan (SQLite3.ColumnInt64 (stmt, index)); |
| | 3551 | | }); |
| | 3552 | | } |
| | 3553 | | else { |
| | 3554 | | fastSetter = CreateNullableTypedSetterDelegate<T, TimeSpan> (column, (stmt, index) => { |
| | 3555 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3556 | | TimeSpan resultTime; |
| | 3557 | | if (!TimeSpan.TryParseExact (text, "c", System.Globalization.CultureInfo.InvariantCulture, System.Globalizat |
| | 3558 | | resultTime = TimeSpan.Parse (text); |
| | 3559 | | } |
| | 3560 | | return resultTime; |
| | 3561 | | }); |
| | 3562 | | } |
| | 3563 | | } |
| | 3564 | | else if (clrType == typeof (DateTime)) { |
| | 3565 | | if (conn.StoreDateTimeAsTicks) { |
| | 3566 | | fastSetter = CreateNullableTypedSetterDelegate<T, DateTime> (column, (stmt, index) => { |
| | 3567 | | return new DateTime (SQLite3.ColumnInt64 (stmt, index)); |
| | 3568 | | }); |
| | 3569 | | } |
| | 3570 | | else { |
| | 3571 | | fastSetter = CreateNullableTypedSetterDelegate<T, DateTime> (column, (stmt, index) => { |
| | 3572 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3573 | | DateTime resultDate; |
| | 3574 | | if (!DateTime.TryParseExact (text, conn.DateTimeStringFormat, System.Globalization.CultureInfo.InvariantCult |
| | 3575 | | resultDate = DateTime.Parse (text); |
| | 3576 | | } |
| | 3577 | | return resultDate; |
| | 3578 | | }); |
| | 3579 | | } |
| | 3580 | | } |
| | 3581 | | else if (clrType == typeof (DateTimeOffset)) { |
| | 3582 | | fastSetter = CreateNullableTypedSetterDelegate<T, DateTimeOffset> (column, (stmt, index) => { |
| | 3583 | | return new DateTimeOffset (SQLite3.ColumnInt64 (stmt, index), TimeSpan.Zero); |
| | 3584 | | }); |
| | 3585 | | } |
| | 3586 | | else if (clrTypeInfo.IsEnum) { |
| | 3587 | | // NOTE: Not sure of a good way (if any?) to do a strongly-typed fast setter like this for enumerated types -- f |
| | 3588 | | } |
| | 3589 | | else if (clrType == typeof (Int64)) { |
| | 3590 | | fastSetter = CreateNullableTypedSetterDelegate<T, Int64> (column, (stmt, index) => { |
| | 3591 | | return SQLite3.ColumnInt64 (stmt, index); |
| | 3592 | | }); |
| | 3593 | | } |
| | 3594 | | else if (clrType == typeof(UInt64)) |
| | 3595 | | { |
| | 3596 | | fastSetter = CreateNullableTypedSetterDelegate<T, UInt64>(column, (stmt, index) => { |
| | 3597 | | return (ulong)SQLite3.ColumnInt64(stmt, index); |
| | 3598 | | }); |
| | 3599 | | } |
| | 3600 | | else if (clrType == typeof (UInt32)) { |
| | 3601 | | fastSetter = CreateNullableTypedSetterDelegate<T, UInt32> (column, (stmt, index) => { |
| | 3602 | | return (uint)SQLite3.ColumnInt64 (stmt, index); |
| | 3603 | | }); |
| | 3604 | | } |
| | 3605 | | else if (clrType == typeof (decimal)) { |
| | 3606 | | fastSetter = CreateNullableTypedSetterDelegate<T, decimal> (column, (stmt, index) => { |
| | 3607 | | return (decimal)SQLite3.ColumnDouble (stmt, index); |
| | 3608 | | }); |
| | 3609 | | } |
| | 3610 | | else if (clrType == typeof (Byte)) { |
| | 3611 | | fastSetter = CreateNullableTypedSetterDelegate<T, Byte> (column, (stmt, index) => { |
| | 3612 | | return (byte)SQLite3.ColumnInt (stmt, index); |
| | 3613 | | }); |
| | 3614 | | } |
| | 3615 | | else if (clrType == typeof (UInt16)) { |
| | 3616 | | fastSetter = CreateNullableTypedSetterDelegate<T, UInt16> (column, (stmt, index) => { |
| | 3617 | | return (ushort)SQLite3.ColumnInt (stmt, index); |
| | 3618 | | }); |
| | 3619 | | } |
| | 3620 | | else if (clrType == typeof (Int16)) { |
| | 3621 | | fastSetter = CreateNullableTypedSetterDelegate<T, Int16> (column, (stmt, index) => { |
| | 3622 | | return (short)SQLite3.ColumnInt (stmt, index); |
| | 3623 | | }); |
| | 3624 | | } |
| | 3625 | | else if (clrType == typeof (sbyte)) { |
| | 3626 | | fastSetter = CreateNullableTypedSetterDelegate<T, sbyte> (column, (stmt, index) => { |
| | 3627 | | return (sbyte)SQLite3.ColumnInt (stmt, index); |
| | 3628 | | }); |
| | 3629 | | } |
| | 3630 | | else if (clrType == typeof (byte[])) { |
| | 3631 | | fastSetter = CreateTypedSetterDelegate<T, byte[]> (column, (stmt, index) => { |
| | 3632 | | return SQLite3.ColumnByteArray (stmt, index); |
| | 3633 | | }); |
| | 3634 | | } |
| | 3635 | | else if (clrType == typeof (Guid)) { |
| | 3636 | | fastSetter = CreateNullableTypedSetterDelegate<T, Guid> (column, (stmt, index) => { |
| | 3637 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3638 | | return new Guid (text); |
| | 3639 | | }); |
| | 3640 | | } |
| | 3641 | | else if (clrType == typeof (Uri)) { |
| | 3642 | | fastSetter = CreateTypedSetterDelegate<T, Uri> (column, (stmt, index) => { |
| | 3643 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3644 | | return new Uri (text); |
| | 3645 | | }); |
| | 3646 | | } |
| | 3647 | | else if (clrType == typeof (StringBuilder)) { |
| | 3648 | | fastSetter = CreateTypedSetterDelegate<T, StringBuilder> (column, (stmt, index) => { |
| | 3649 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3650 | | return new StringBuilder (text); |
| | 3651 | | }); |
| | 3652 | | } |
| | 3653 | | else if (clrType == typeof (UriBuilder)) { |
| | 3654 | | fastSetter = CreateTypedSetterDelegate<T, UriBuilder> (column, (stmt, index) => { |
| | 3655 | | var text = SQLite3.ColumnString (stmt, index); |
| | 3656 | | return new UriBuilder (text); |
| | 3657 | | }); |
| | 3658 | | } |
| | 3659 | | else { |
| | 3660 | | // NOTE: Will fall back to the slow setter method in the event that we are unable to create a fast setter delega |
| | 3661 | | } |
| | 3662 | | return fastSetter; |
| | 3663 | | } |
| | 3664 | |
|
| | 3665 | | /// <summary> |
| | 3666 | | /// This creates a strongly typed delegate that will permit fast setting of column values given a Sqlite3Statement a |
| | 3667 | | /// |
| | 3668 | | /// Note that this is identical to CreateTypedSetterDelegate(), but has an extra check to see if it should create a |
| | 3669 | | /// </summary> |
| | 3670 | | /// <typeparam name="ObjectType">The type of the object whose member column is being set</typeparam> |
| | 3671 | | /// <typeparam name="ColumnMemberType">The CLR type of the member in the object which corresponds to the given SQLit |
| | 3672 | | /// <param name="column">The column mapping that identifies the target member of the destination object</param> |
| | 3673 | | /// <param name="getColumnValue">A lambda that can be used to retrieve the column value at query-time</param> |
| | 3674 | | /// <returns>A strongly-typed delegate</returns> |
| | 3675 | | private static Action<object, Sqlite3Statement, int> CreateNullableTypedSetterDelegate<ObjectType, ColumnMemberType> |
| | 3676 | | { |
| | 3677 | | var clrTypeInfo = column.PropertyInfo.PropertyType.GetTypeInfo(); |
| | 3678 | | bool isNullable = false; |
| | 3679 | |
|
| | 3680 | | if (clrTypeInfo.IsGenericType && clrTypeInfo.GetGenericTypeDefinition () == typeof (Nullable<>)) { |
| | 3681 | | isNullable = true; |
| | 3682 | | } |
| | 3683 | |
|
| | 3684 | | if (isNullable) { |
| | 3685 | | var setProperty = (Action<ObjectType, ColumnMemberType?>)Delegate.CreateDelegate ( |
| | 3686 | | typeof (Action<ObjectType, ColumnMemberType?>), null, |
| | 3687 | | column.PropertyInfo.GetSetMethod ()); |
| | 3688 | |
|
| | 3689 | | return (o, stmt, i) => { |
| | 3690 | | var colType = SQLite3.ColumnType (stmt, i); |
| | 3691 | | if (colType != SQLite3.ColType.Null) |
| | 3692 | | setProperty.Invoke ((ObjectType)o, getColumnValue.Invoke (stmt, i)); |
| | 3693 | | }; |
| | 3694 | | } |
| | 3695 | |
|
| | 3696 | | return CreateTypedSetterDelegate<ObjectType, ColumnMemberType> (column, getColumnValue); |
| | 3697 | | } |
| | 3698 | |
|
| | 3699 | | /// <summary> |
| | 3700 | | /// This creates a strongly typed delegate that will permit fast setting of column values given a Sqlite3Statement a |
| | 3701 | | /// </summary> |
| | 3702 | | /// <typeparam name="ObjectType">The type of the object whose member column is being set</typeparam> |
| | 3703 | | /// <typeparam name="ColumnMemberType">The CLR type of the member in the object which corresponds to the given SQLit |
| | 3704 | | /// <param name="column">The column mapping that identifies the target member of the destination object</param> |
| | 3705 | | /// <param name="getColumnValue">A lambda that can be used to retrieve the column value at query-time</param> |
| | 3706 | | /// <returns>A strongly-typed delegate</returns> |
| | 3707 | | private static Action<object, Sqlite3Statement, int> CreateTypedSetterDelegate<ObjectType, ColumnMemberType> (TableM |
| | 3708 | | { |
| | 3709 | | var setProperty = (Action<ObjectType, ColumnMemberType>)Delegate.CreateDelegate ( |
| | 3710 | | typeof (Action<ObjectType, ColumnMemberType>), null, |
| | 3711 | | column.PropertyInfo.GetSetMethod ()); |
| | 3712 | |
|
| | 3713 | | return (o, stmt, i) => { |
| | 3714 | | var colType = SQLite3.ColumnType (stmt, i); |
| | 3715 | | if (colType != SQLite3.ColType.Null) |
| | 3716 | | setProperty.Invoke ((ObjectType)o, getColumnValue.Invoke (stmt, i)); |
| | 3717 | | }; |
| | 3718 | | } |
| | 3719 | | } |
| | 3720 | |
|
| | 3721 | | /// <summary> |
| | 3722 | | /// Since the insert never changed, we only need to prepare once. |
| | 3723 | | /// </summary> |
| | 3724 | | class PreparedSqlLiteInsertCommand : IDisposable |
| | 3725 | | { |
| | 3726 | | bool Initialized; |
| | 3727 | |
|
| | 3728 | | SQLiteConnection Connection; |
| | 3729 | |
|
| | 3730 | | string CommandText; |
| | 3731 | |
|
| | 3732 | | Sqlite3Statement Statement; |
| | 3733 | | static readonly Sqlite3Statement NullStatement = default (Sqlite3Statement); |
| | 3734 | |
|
| 173 | 3735 | | public PreparedSqlLiteInsertCommand (SQLiteConnection conn, string commandText) |
| 173 | 3736 | | { |
| 173 | 3737 | | Connection = conn; |
| 173 | 3738 | | CommandText = commandText; |
| 173 | 3739 | | } |
| | 3740 | |
|
| | 3741 | | public int ExecuteNonQuery (object[] source) |
| 13074 | 3742 | | { |
| 13074 | 3743 | | if (Initialized && Statement == NullStatement) { |
| 0 | 3744 | | throw new ObjectDisposedException (nameof (PreparedSqlLiteInsertCommand)); |
| | 3745 | | } |
| | 3746 | |
|
| 14824 | 3747 | | if (Connection.Trace) { |
| 1750 | 3748 | | Connection.Tracer?.Invoke ("Executing: " + CommandText); |
| 1750 | 3749 | | } |
| | 3750 | |
|
| 13074 | 3751 | | var r = SQLite3.Result.OK; |
| | 3752 | |
|
| 13247 | 3753 | | if (!Initialized) { |
| 173 | 3754 | | Statement = SQLite3.Prepare2 (Connection.Handle, CommandText); |
| 173 | 3755 | | Initialized = true; |
| 173 | 3756 | | } |
| | 3757 | |
|
| | 3758 | | //bind the values. |
| 26148 | 3759 | | if (source != null) { |
| 78120 | 3760 | | for (int i = 0; i < source.Length; i++) { |
| 17324 | 3761 | | SQLiteCommand.BindParameter (Statement, i + 1, source[i], Connection.StoreDateTimeAsTicks, Connection.DateTime |
| 17324 | 3762 | | } |
| 13074 | 3763 | | } |
| 13074 | 3764 | | r = SQLite3.Step (Statement); |
| | 3765 | |
|
| 26141 | 3766 | | if (r == SQLite3.Result.Done) { |
| 13067 | 3767 | | int rowsAffected = SQLite3.Changes (Connection.Handle); |
| 13067 | 3768 | | SQLite3.Reset (Statement); |
| 13067 | 3769 | | return rowsAffected; |
| | 3770 | | } |
| 7 | 3771 | | else if (r == SQLite3.Result.Error) { |
| 0 | 3772 | | string msg = SQLite3.GetErrmsg (Connection.Handle); |
| 0 | 3773 | | SQLite3.Reset (Statement); |
| 0 | 3774 | | throw SQLiteException.New (r, msg); |
| | 3775 | | } |
| 10 | 3776 | | else if (r == SQLite3.Result.Constraint && SQLite3.ExtendedErrCode (Connection.Handle) == SQLite3.ExtendedResult.C |
| 3 | 3777 | | SQLite3.Reset (Statement); |
| 3 | 3778 | | throw NotNullConstraintViolationException.New (r, SQLite3.GetErrmsg (Connection.Handle)); |
| | 3779 | | } |
| 4 | 3780 | | else { |
| 4 | 3781 | | SQLite3.Reset (Statement); |
| 4 | 3782 | | throw SQLiteException.New (r, SQLite3.GetErrmsg (Connection.Handle)); |
| | 3783 | | } |
| 13067 | 3784 | | } |
| | 3785 | |
|
| | 3786 | | public void Dispose () |
| 84 | 3787 | | { |
| 84 | 3788 | | Dispose (true); |
| 84 | 3789 | | GC.SuppressFinalize (this); |
| 84 | 3790 | | } |
| | 3791 | |
|
| | 3792 | | void Dispose (bool disposing) |
| 131 | 3793 | | { |
| 131 | 3794 | | var s = Statement; |
| 131 | 3795 | | Statement = NullStatement; |
| 131 | 3796 | | Connection = null; |
| 262 | 3797 | | if (s != NullStatement) { |
| 131 | 3798 | | SQLite3.Finalize (s); |
| 131 | 3799 | | } |
| 131 | 3800 | | } |
| | 3801 | |
|
| | 3802 | | ~PreparedSqlLiteInsertCommand () |
| 94 | 3803 | | { |
| 47 | 3804 | | Dispose (false); |
| 94 | 3805 | | } |
| | 3806 | | } |
| | 3807 | |
|
| | 3808 | | public enum CreateTableResult |
| | 3809 | | { |
| | 3810 | | Created, |
| | 3811 | | Migrated, |
| | 3812 | | } |
| | 3813 | |
|
| | 3814 | | public class CreateTablesResult |
| | 3815 | | { |
| | 3816 | | public Dictionary<Type, CreateTableResult> Results { get; private set; } |
| | 3817 | |
|
| | 3818 | | public CreateTablesResult () |
| | 3819 | | { |
| | 3820 | | Results = new Dictionary<Type, CreateTableResult> (); |
| | 3821 | | } |
| | 3822 | | } |
| | 3823 | |
|
| | 3824 | | public abstract class BaseTableQuery |
| | 3825 | | { |
| | 3826 | | protected class Ordering |
| | 3827 | | { |
| | 3828 | | public string ColumnName { get; set; } |
| | 3829 | | public bool Ascending { get; set; } |
| | 3830 | | } |
| | 3831 | | } |
| | 3832 | |
|
| | 3833 | | public class TableQuery<T> : BaseTableQuery, IEnumerable<T> |
| | 3834 | | { |
| | 3835 | | public SQLiteConnection Connection { get; private set; } |
| | 3836 | |
|
| | 3837 | | public TableMapping Table { get; private set; } |
| | 3838 | |
|
| | 3839 | | Expression _where; |
| | 3840 | | List<Ordering> _orderBys; |
| | 3841 | | int? _limit; |
| | 3842 | | int? _offset; |
| | 3843 | |
|
| | 3844 | | BaseTableQuery _joinInner; |
| | 3845 | | Expression _joinInnerKeySelector; |
| | 3846 | | BaseTableQuery _joinOuter; |
| | 3847 | | Expression _joinOuterKeySelector; |
| | 3848 | | Expression _joinSelector; |
| | 3849 | |
|
| | 3850 | | Expression _selector; |
| | 3851 | |
|
| | 3852 | | TableQuery (SQLiteConnection conn, TableMapping table) |
| | 3853 | | { |
| | 3854 | | Connection = conn; |
| | 3855 | | Table = table; |
| | 3856 | | } |
| | 3857 | |
|
| | 3858 | | public TableQuery (SQLiteConnection conn) |
| | 3859 | | { |
| | 3860 | | Connection = conn; |
| | 3861 | | Table = Connection.GetMapping (typeof (T)); |
| | 3862 | | } |
| | 3863 | |
|
| | 3864 | | public TableQuery<U> Clone<U> () |
| | 3865 | | { |
| | 3866 | | var q = new TableQuery<U> (Connection, Table); |
| | 3867 | | q._where = _where; |
| | 3868 | | q._deferred = _deferred; |
| | 3869 | | if (_orderBys != null) { |
| | 3870 | | q._orderBys = new List<Ordering> (_orderBys); |
| | 3871 | | } |
| | 3872 | | q._limit = _limit; |
| | 3873 | | q._offset = _offset; |
| | 3874 | | q._joinInner = _joinInner; |
| | 3875 | | q._joinInnerKeySelector = _joinInnerKeySelector; |
| | 3876 | | q._joinOuter = _joinOuter; |
| | 3877 | | q._joinOuterKeySelector = _joinOuterKeySelector; |
| | 3878 | | q._joinSelector = _joinSelector; |
| | 3879 | | q._selector = _selector; |
| | 3880 | | return q; |
| | 3881 | | } |
| | 3882 | |
|
| | 3883 | | /// <summary> |
| | 3884 | | /// Filters the query based on a predicate. |
| | 3885 | | /// </summary> |
| | 3886 | | public TableQuery<T> Where (Expression<Func<T, bool>> predExpr) |
| | 3887 | | { |
| | 3888 | | if (predExpr.NodeType == ExpressionType.Lambda) { |
| | 3889 | | var lambda = (LambdaExpression)predExpr; |
| | 3890 | | var pred = lambda.Body; |
| | 3891 | | var q = Clone<T> (); |
| | 3892 | | q.AddWhere (pred); |
| | 3893 | | return q; |
| | 3894 | | } |
| | 3895 | | else { |
| | 3896 | | throw new NotSupportedException ("Must be a predicate"); |
| | 3897 | | } |
| | 3898 | | } |
| | 3899 | |
|
| | 3900 | | /// <summary> |
| | 3901 | | /// Delete all the rows that match this query. |
| | 3902 | | /// </summary> |
| | 3903 | | public int Delete () |
| | 3904 | | { |
| | 3905 | | return Delete (null); |
| | 3906 | | } |
| | 3907 | |
|
| | 3908 | | /// <summary> |
| | 3909 | | /// Delete all the rows that match this query and the given predicate. |
| | 3910 | | /// </summary> |
| | 3911 | | public int Delete (Expression<Func<T, bool>> predExpr) |
| | 3912 | | { |
| | 3913 | | if (_limit.HasValue || _offset.HasValue) |
| | 3914 | | throw new InvalidOperationException ("Cannot delete with limits or offsets"); |
| | 3915 | |
|
| | 3916 | | if (_where == null && predExpr == null) |
| | 3917 | | throw new InvalidOperationException ("No condition specified"); |
| | 3918 | |
|
| | 3919 | | var pred = _where; |
| | 3920 | |
|
| | 3921 | | if (predExpr != null && predExpr.NodeType == ExpressionType.Lambda) { |
| | 3922 | | var lambda = (LambdaExpression)predExpr; |
| | 3923 | | pred = pred != null ? Expression.AndAlso (pred, lambda.Body) : lambda.Body; |
| | 3924 | | } |
| | 3925 | |
|
| | 3926 | | var args = new List<object> (); |
| | 3927 | | var cmdText = "delete from \"" + Table.TableName + "\""; |
| | 3928 | | var w = CompileExpr (pred, args); |
| | 3929 | | cmdText += " where " + w.CommandText; |
| | 3930 | |
|
| | 3931 | | var command = Connection.CreateCommand (cmdText, args.ToArray ()); |
| | 3932 | |
|
| | 3933 | | int result = command.ExecuteNonQuery (); |
| | 3934 | | return result; |
| | 3935 | | } |
| | 3936 | |
|
| | 3937 | | /// <summary> |
| | 3938 | | /// Yields a given number of elements from the query and then skips the remainder. |
| | 3939 | | /// </summary> |
| | 3940 | | public TableQuery<T> Take (int n) |
| | 3941 | | { |
| | 3942 | | var q = Clone<T> (); |
| | 3943 | | q._limit = n; |
| | 3944 | | return q; |
| | 3945 | | } |
| | 3946 | |
|
| | 3947 | | /// <summary> |
| | 3948 | | /// Skips a given number of elements from the query and then yields the remainder. |
| | 3949 | | /// </summary> |
| | 3950 | | public TableQuery<T> Skip (int n) |
| | 3951 | | { |
| | 3952 | | var q = Clone<T> (); |
| | 3953 | | q._offset = n; |
| | 3954 | | return q; |
| | 3955 | | } |
| | 3956 | |
|
| | 3957 | | /// <summary> |
| | 3958 | | /// Returns the element at a given index |
| | 3959 | | /// </summary> |
| | 3960 | | public T ElementAt (int index) |
| | 3961 | | { |
| | 3962 | | return Skip (index).Take (1).First (); |
| | 3963 | | } |
| | 3964 | |
|
| | 3965 | | bool _deferred; |
| | 3966 | | public TableQuery<T> Deferred () |
| | 3967 | | { |
| | 3968 | | var q = Clone<T> (); |
| | 3969 | | q._deferred = true; |
| | 3970 | | return q; |
| | 3971 | | } |
| | 3972 | |
|
| | 3973 | | /// <summary> |
| | 3974 | | /// Order the query results according to a key. |
| | 3975 | | /// </summary> |
| | 3976 | | public TableQuery<T> OrderBy<U> (Expression<Func<T, U>> orderExpr) |
| | 3977 | | { |
| | 3978 | | return AddOrderBy<U> (orderExpr, true); |
| | 3979 | | } |
| | 3980 | |
|
| | 3981 | | /// <summary> |
| | 3982 | | /// Order the query results according to a key. |
| | 3983 | | /// </summary> |
| | 3984 | | public TableQuery<T> OrderByDescending<U> (Expression<Func<T, U>> orderExpr) |
| | 3985 | | { |
| | 3986 | | return AddOrderBy<U> (orderExpr, false); |
| | 3987 | | } |
| | 3988 | |
|
| | 3989 | | /// <summary> |
| | 3990 | | /// Order the query results according to a key. |
| | 3991 | | /// </summary> |
| | 3992 | | public TableQuery<T> ThenBy<U> (Expression<Func<T, U>> orderExpr) |
| | 3993 | | { |
| | 3994 | | return AddOrderBy<U> (orderExpr, true); |
| | 3995 | | } |
| | 3996 | |
|
| | 3997 | | /// <summary> |
| | 3998 | | /// Order the query results according to a key. |
| | 3999 | | /// </summary> |
| | 4000 | | public TableQuery<T> ThenByDescending<U> (Expression<Func<T, U>> orderExpr) |
| | 4001 | | { |
| | 4002 | | return AddOrderBy<U> (orderExpr, false); |
| | 4003 | | } |
| | 4004 | |
|
| | 4005 | | TableQuery<T> AddOrderBy<U> (Expression<Func<T, U>> orderExpr, bool asc) |
| | 4006 | | { |
| | 4007 | | if (orderExpr.NodeType == ExpressionType.Lambda) { |
| | 4008 | | var lambda = (LambdaExpression)orderExpr; |
| | 4009 | |
|
| | 4010 | | MemberExpression mem = null; |
| | 4011 | |
|
| | 4012 | | var unary = lambda.Body as UnaryExpression; |
| | 4013 | | if (unary != null && unary.NodeType == ExpressionType.Convert) { |
| | 4014 | | mem = unary.Operand as MemberExpression; |
| | 4015 | | } |
| | 4016 | | else { |
| | 4017 | | mem = lambda.Body as MemberExpression; |
| | 4018 | | } |
| | 4019 | |
|
| | 4020 | | if (mem != null && (mem.Expression.NodeType == ExpressionType.Parameter)) { |
| | 4021 | | var q = Clone<T> (); |
| | 4022 | | if (q._orderBys == null) { |
| | 4023 | | q._orderBys = new List<Ordering> (); |
| | 4024 | | } |
| | 4025 | | q._orderBys.Add (new Ordering { |
| | 4026 | | ColumnName = Table.FindColumnWithPropertyName (mem.Member.Name).Name, |
| | 4027 | | Ascending = asc |
| | 4028 | | }); |
| | 4029 | | return q; |
| | 4030 | | } |
| | 4031 | | else { |
| | 4032 | | throw new NotSupportedException ("Order By does not support: " + orderExpr); |
| | 4033 | | } |
| | 4034 | | } |
| | 4035 | | else { |
| | 4036 | | throw new NotSupportedException ("Must be a predicate"); |
| | 4037 | | } |
| | 4038 | | } |
| | 4039 | |
|
| | 4040 | | private void AddWhere (Expression pred) |
| | 4041 | | { |
| | 4042 | | if (_where == null) { |
| | 4043 | | _where = pred; |
| | 4044 | | } |
| | 4045 | | else { |
| | 4046 | | _where = Expression.AndAlso (_where, pred); |
| | 4047 | | } |
| | 4048 | | } |
| | 4049 | |
|
| | 4050 | | ///// <summary> |
| | 4051 | | ///// Performs an inner join of two queries based on matching keys extracted from the elements. |
| | 4052 | | ///// </summary> |
| | 4053 | | //public TableQuery<TResult> Join<TInner, TKey, TResult> ( |
| | 4054 | | // TableQuery<TInner> inner, |
| | 4055 | | // Expression<Func<T, TKey>> outerKeySelector, |
| | 4056 | | // Expression<Func<TInner, TKey>> innerKeySelector, |
| | 4057 | | // Expression<Func<T, TInner, TResult>> resultSelector) |
| | 4058 | | //{ |
| | 4059 | | // var q = new TableQuery<TResult> (Connection, Connection.GetMapping (typeof (TResult))) { |
| | 4060 | | // _joinOuter = this, |
| | 4061 | | // _joinOuterKeySelector = outerKeySelector, |
| | 4062 | | // _joinInner = inner, |
| | 4063 | | // _joinInnerKeySelector = innerKeySelector, |
| | 4064 | | // _joinSelector = resultSelector, |
| | 4065 | | // }; |
| | 4066 | | // return q; |
| | 4067 | | //} |
| | 4068 | |
|
| | 4069 | | // Not needed until Joins are supported |
| | 4070 | | // Keeping this commented out forces the default Linq to objects processor to run |
| | 4071 | | //public TableQuery<TResult> Select<TResult> (Expression<Func<T, TResult>> selector) |
| | 4072 | | //{ |
| | 4073 | | // var q = Clone<TResult> (); |
| | 4074 | | // q._selector = selector; |
| | 4075 | | // return q; |
| | 4076 | | //} |
| | 4077 | |
|
| | 4078 | | private SQLiteCommand GenerateCommand (string selectionList) |
| | 4079 | | { |
| | 4080 | | if (_joinInner != null && _joinOuter != null) { |
| | 4081 | | throw new NotSupportedException ("Joins are not supported."); |
| | 4082 | | } |
| | 4083 | | else { |
| | 4084 | | var cmdText = "select " + selectionList + " from \"" + Table.TableName + "\""; |
| | 4085 | | var args = new List<object> (); |
| | 4086 | | if (_where != null) { |
| | 4087 | | var w = CompileExpr (_where, args); |
| | 4088 | | cmdText += " where " + w.CommandText; |
| | 4089 | | } |
| | 4090 | | if ((_orderBys != null) && (_orderBys.Count > 0)) { |
| | 4091 | | var t = string.Join (", ", _orderBys.Select (o => "\"" + o.ColumnName + "\"" + (o.Ascending ? "" : " desc")).T |
| | 4092 | | cmdText += " order by " + t; |
| | 4093 | | } |
| | 4094 | | if (_limit.HasValue) { |
| | 4095 | | cmdText += " limit " + _limit.Value; |
| | 4096 | | } |
| | 4097 | | if (_offset.HasValue) { |
| | 4098 | | if (!_limit.HasValue) { |
| | 4099 | | cmdText += " limit -1 "; |
| | 4100 | | } |
| | 4101 | | cmdText += " offset " + _offset.Value; |
| | 4102 | | } |
| | 4103 | | return Connection.CreateCommand (cmdText, args.ToArray ()); |
| | 4104 | | } |
| | 4105 | | } |
| | 4106 | |
|
| | 4107 | | class CompileResult |
| | 4108 | | { |
| | 4109 | | public string CommandText { get; set; } |
| | 4110 | |
|
| | 4111 | | public object Value { get; set; } |
| | 4112 | | } |
| | 4113 | |
|
| | 4114 | | private CompileResult CompileExpr (Expression expr, List<object> queryArgs) |
| | 4115 | | { |
| | 4116 | | if (expr == null) { |
| | 4117 | | throw new NotSupportedException ("Expression is NULL"); |
| | 4118 | | } |
| | 4119 | | else if (expr is BinaryExpression) { |
| | 4120 | | var bin = (BinaryExpression)expr; |
| | 4121 | |
|
| | 4122 | | // VB turns 'x=="foo"' into 'CompareString(x,"foo",true/false)==0', so we need to unwrap it |
| | 4123 | | // http://blogs.msdn.com/b/vbteam/archive/2007/09/18/vb-expression-trees-string-comparisons.aspx |
| | 4124 | | if (bin.Left.NodeType == ExpressionType.Call) { |
| | 4125 | | var call = (MethodCallExpression)bin.Left; |
| | 4126 | | if (call.Method.DeclaringType.FullName == "Microsoft.VisualBasic.CompilerServices.Operators" |
| | 4127 | | && call.Method.Name == "CompareString") |
| | 4128 | | bin = Expression.MakeBinary (bin.NodeType, call.Arguments[0], call.Arguments[1]); |
| | 4129 | | } |
| | 4130 | |
|
| | 4131 | |
|
| | 4132 | | var leftr = CompileExpr (bin.Left, queryArgs); |
| | 4133 | | var rightr = CompileExpr (bin.Right, queryArgs); |
| | 4134 | |
|
| | 4135 | | //If either side is a parameter and is null, then handle the other side specially (for "is null"/"is not null") |
| | 4136 | | string text; |
| | 4137 | | if (leftr.CommandText == "?" && leftr.Value == null) |
| | 4138 | | text = CompileNullBinaryExpression (bin, rightr); |
| | 4139 | | else if (rightr.CommandText == "?" && rightr.Value == null) |
| | 4140 | | text = CompileNullBinaryExpression (bin, leftr); |
| | 4141 | | else |
| | 4142 | | text = "(" + leftr.CommandText + " " + GetSqlName (bin) + " " + rightr.CommandText + ")"; |
| | 4143 | | return new CompileResult { CommandText = text }; |
| | 4144 | | } |
| | 4145 | | else if (expr.NodeType == ExpressionType.Not) { |
| | 4146 | | var operandExpr = ((UnaryExpression)expr).Operand; |
| | 4147 | | var opr = CompileExpr (operandExpr, queryArgs); |
| | 4148 | | object val = opr.Value; |
| | 4149 | | if (val is bool) |
| | 4150 | | val = !((bool)val); |
| | 4151 | | return new CompileResult { |
| | 4152 | | CommandText = "NOT(" + opr.CommandText + ")", |
| | 4153 | | Value = val |
| | 4154 | | }; |
| | 4155 | | } |
| | 4156 | | else if (expr.NodeType == ExpressionType.Call) { |
| | 4157 | |
|
| | 4158 | | var call = (MethodCallExpression)expr; |
| | 4159 | | var args = new CompileResult[call.Arguments.Count]; |
| | 4160 | | var obj = call.Object != null ? CompileExpr (call.Object, queryArgs) : null; |
| | 4161 | |
|
| | 4162 | | for (var i = 0; i < args.Length; i++) { |
| | 4163 | | args[i] = CompileExpr (call.Arguments[i], queryArgs); |
| | 4164 | | } |
| | 4165 | |
|
| | 4166 | | var sqlCall = ""; |
| | 4167 | |
|
| | 4168 | | if (call.Method.Name == "Like" && args.Length == 2) { |
| | 4169 | | sqlCall = "(" + args[0].CommandText + " like " + args[1].CommandText + ")"; |
| | 4170 | | } |
| | 4171 | | else if (call.Method.Name == "Contains" && args.Length == 2) { |
| | 4172 | | sqlCall = "(" + args[1].CommandText + " in " + args[0].CommandText + ")"; |
| | 4173 | | } |
| | 4174 | | else if (call.Method.Name == "Contains" && args.Length == 1) { |
| | 4175 | | if (call.Object != null && call.Object.Type == typeof (string)) { |
| | 4176 | | sqlCall = "( instr(" + obj.CommandText + "," + args[0].CommandText + ") >0 )"; |
| | 4177 | | } |
| | 4178 | | else { |
| | 4179 | | sqlCall = "(" + args[0].CommandText + " in " + obj.CommandText + ")"; |
| | 4180 | | } |
| | 4181 | | } |
| | 4182 | | else if (call.Method.Name == "StartsWith" && args.Length >= 1) { |
| | 4183 | | var startsWithCmpOp = StringComparison.CurrentCulture; |
| | 4184 | | if (args.Length == 2) { |
| | 4185 | | startsWithCmpOp = (StringComparison)args[1].Value; |
| | 4186 | | } |
| | 4187 | | switch (startsWithCmpOp) { |
| | 4188 | | case StringComparison.Ordinal: |
| | 4189 | | case StringComparison.CurrentCulture: |
| | 4190 | | sqlCall = "( substr(" + obj.CommandText + ", 1, " + args[0].Value.ToString ().Length + ") = " + args[0].C |
| | 4191 | | break; |
| | 4192 | | case StringComparison.OrdinalIgnoreCase: |
| | 4193 | | case StringComparison.CurrentCultureIgnoreCase: |
| | 4194 | | sqlCall = "(" + obj.CommandText + " like (" + args[0].CommandText + " || '%'))"; |
| | 4195 | | break; |
| | 4196 | | } |
| | 4197 | |
|
| | 4198 | | } |
| | 4199 | | else if (call.Method.Name == "EndsWith" && args.Length >= 1) { |
| | 4200 | | var endsWithCmpOp = StringComparison.CurrentCulture; |
| | 4201 | | if (args.Length == 2) { |
| | 4202 | | endsWithCmpOp = (StringComparison)args[1].Value; |
| | 4203 | | } |
| | 4204 | | switch (endsWithCmpOp) { |
| | 4205 | | case StringComparison.Ordinal: |
| | 4206 | | case StringComparison.CurrentCulture: |
| | 4207 | | sqlCall = "( substr(" + obj.CommandText + ", length(" + obj.CommandText + ") - " + args[0].Value.ToString |
| | 4208 | | break; |
| | 4209 | | case StringComparison.OrdinalIgnoreCase: |
| | 4210 | | case StringComparison.CurrentCultureIgnoreCase: |
| | 4211 | | sqlCall = "(" + obj.CommandText + " like ('%' || " + args[0].CommandText + "))"; |
| | 4212 | | break; |
| | 4213 | | } |
| | 4214 | | } |
| | 4215 | | else if (call.Method.Name == "Equals" && args.Length == 1) { |
| | 4216 | | sqlCall = "(" + obj.CommandText + " = (" + args[0].CommandText + "))"; |
| | 4217 | | } |
| | 4218 | | else if (call.Method.Name == "ToLower") { |
| | 4219 | | sqlCall = "(lower(" + obj.CommandText + "))"; |
| | 4220 | | } |
| | 4221 | | else if (call.Method.Name == "ToUpper") { |
| | 4222 | | sqlCall = "(upper(" + obj.CommandText + "))"; |
| | 4223 | | } |
| | 4224 | | else if (call.Method.Name == "Replace" && args.Length == 2) { |
| | 4225 | | sqlCall = "(replace(" + obj.CommandText + "," + args[0].CommandText + "," + args[1].CommandText + "))"; |
| | 4226 | | } |
| | 4227 | | else if (call.Method.Name == "IsNullOrEmpty" && args.Length == 1) { |
| | 4228 | | sqlCall = "(" + args[0].CommandText + " is null or" + args[0].CommandText + " ='' )"; |
| | 4229 | | } |
| | 4230 | | else { |
| | 4231 | | sqlCall = call.Method.Name.ToLower () + "(" + string.Join (",", args.Select (a => a.CommandText).ToArray ()) + |
| | 4232 | | } |
| | 4233 | | return new CompileResult { CommandText = sqlCall }; |
| | 4234 | |
|
| | 4235 | | } |
| | 4236 | | else if (expr.NodeType == ExpressionType.Constant) { |
| | 4237 | | var c = (ConstantExpression)expr; |
| | 4238 | | queryArgs.Add (c.Value); |
| | 4239 | | return new CompileResult { |
| | 4240 | | CommandText = "?", |
| | 4241 | | Value = c.Value |
| | 4242 | | }; |
| | 4243 | | } |
| | 4244 | | else if (expr.NodeType == ExpressionType.Convert) { |
| | 4245 | | var u = (UnaryExpression)expr; |
| | 4246 | | var ty = u.Type; |
| | 4247 | | var valr = CompileExpr (u.Operand, queryArgs); |
| | 4248 | | return new CompileResult { |
| | 4249 | | CommandText = valr.CommandText, |
| | 4250 | | Value = valr.Value != null ? ConvertTo (valr.Value, ty) : null |
| | 4251 | | }; |
| | 4252 | | } |
| | 4253 | | else if (expr.NodeType == ExpressionType.MemberAccess) { |
| | 4254 | | var mem = (MemberExpression)expr; |
| | 4255 | |
|
| | 4256 | | var paramExpr = mem.Expression as ParameterExpression; |
| | 4257 | | if (paramExpr == null) { |
| | 4258 | | var convert = mem.Expression as UnaryExpression; |
| | 4259 | | if (convert != null && convert.NodeType == ExpressionType.Convert) { |
| | 4260 | | paramExpr = convert.Operand as ParameterExpression; |
| | 4261 | | } |
| | 4262 | | } |
| | 4263 | |
|
| | 4264 | | if (paramExpr != null) { |
| | 4265 | | // |
| | 4266 | | // This is a column of our table, output just the column name |
| | 4267 | | // Need to translate it if that column name is mapped |
| | 4268 | | // |
| | 4269 | | var columnName = Table.FindColumnWithPropertyName (mem.Member.Name).Name; |
| | 4270 | | return new CompileResult { CommandText = "\"" + columnName + "\"" }; |
| | 4271 | | } |
| | 4272 | | else { |
| | 4273 | | object obj = null; |
| | 4274 | | if (mem.Expression != null) { |
| | 4275 | | var r = CompileExpr (mem.Expression, queryArgs); |
| | 4276 | | if (r.Value == null) { |
| | 4277 | | throw new NotSupportedException ("Member access failed to compile expression"); |
| | 4278 | | } |
| | 4279 | | if (r.CommandText == "?") { |
| | 4280 | | queryArgs.RemoveAt (queryArgs.Count - 1); |
| | 4281 | | } |
| | 4282 | | obj = r.Value; |
| | 4283 | | } |
| | 4284 | |
|
| | 4285 | | // |
| | 4286 | | // Get the member value |
| | 4287 | | // |
| | 4288 | | object val = null; |
| | 4289 | |
|
| | 4290 | | if (mem.Member is PropertyInfo) { |
| | 4291 | | var m = (PropertyInfo)mem.Member; |
| | 4292 | | val = m.GetValue (obj, null); |
| | 4293 | | } |
| | 4294 | | else if (mem.Member is FieldInfo) { |
| | 4295 | | var m = (FieldInfo)mem.Member; |
| | 4296 | | val = m.GetValue (obj); |
| | 4297 | | } |
| | 4298 | | else { |
| | 4299 | | throw new NotSupportedException ("MemberExpr: " + mem.Member.GetType ()); |
| | 4300 | | } |
| | 4301 | |
|
| | 4302 | | // |
| | 4303 | | // Work special magic for enumerables |
| | 4304 | | // |
| | 4305 | | if (val != null && val is System.Collections.IEnumerable && !(val is string) && !(val is System.Collections.Ge |
| | 4306 | | var sb = new System.Text.StringBuilder (); |
| | 4307 | | sb.Append ("("); |
| | 4308 | | var head = ""; |
| | 4309 | | foreach (var a in (System.Collections.IEnumerable)val) { |
| | 4310 | | queryArgs.Add (a); |
| | 4311 | | sb.Append (head); |
| | 4312 | | sb.Append ("?"); |
| | 4313 | | head = ","; |
| | 4314 | | } |
| | 4315 | | sb.Append (")"); |
| | 4316 | | return new CompileResult { |
| | 4317 | | CommandText = sb.ToString (), |
| | 4318 | | Value = val |
| | 4319 | | }; |
| | 4320 | | } |
| | 4321 | | else { |
| | 4322 | | queryArgs.Add (val); |
| | 4323 | | return new CompileResult { |
| | 4324 | | CommandText = "?", |
| | 4325 | | Value = val |
| | 4326 | | }; |
| | 4327 | | } |
| | 4328 | | } |
| | 4329 | | } |
| | 4330 | | throw new NotSupportedException ("Cannot compile: " + expr.NodeType.ToString ()); |
| | 4331 | | } |
| | 4332 | |
|
| | 4333 | | static object ConvertTo (object obj, Type t) |
| | 4334 | | { |
| | 4335 | | Type nut = Nullable.GetUnderlyingType (t); |
| | 4336 | |
|
| | 4337 | | if (nut != null) { |
| | 4338 | | if (obj == null) |
| | 4339 | | return null; |
| | 4340 | | return Convert.ChangeType (obj, nut); |
| | 4341 | | } |
| | 4342 | | else { |
| | 4343 | | return Convert.ChangeType (obj, t); |
| | 4344 | | } |
| | 4345 | | } |
| | 4346 | |
|
| | 4347 | | /// <summary> |
| | 4348 | | /// Compiles a BinaryExpression where one of the parameters is null. |
| | 4349 | | /// </summary> |
| | 4350 | | /// <param name="expression">The expression to compile</param> |
| | 4351 | | /// <param name="parameter">The non-null parameter</param> |
| | 4352 | | private string CompileNullBinaryExpression (BinaryExpression expression, CompileResult parameter) |
| | 4353 | | { |
| | 4354 | | if (expression.NodeType == ExpressionType.Equal) |
| | 4355 | | return "(" + parameter.CommandText + " is ?)"; |
| | 4356 | | else if (expression.NodeType == ExpressionType.NotEqual) |
| | 4357 | | return "(" + parameter.CommandText + " is not ?)"; |
| | 4358 | | else if (expression.NodeType == ExpressionType.GreaterThan |
| | 4359 | | || expression.NodeType == ExpressionType.GreaterThanOrEqual |
| | 4360 | | || expression.NodeType == ExpressionType.LessThan |
| | 4361 | | || expression.NodeType == ExpressionType.LessThanOrEqual) |
| | 4362 | | return "(" + parameter.CommandText + " < ?)"; // always false |
| | 4363 | | else |
| | 4364 | | throw new NotSupportedException ("Cannot compile Null-BinaryExpression with type " + expression.NodeType.ToStrin |
| | 4365 | | } |
| | 4366 | |
|
| | 4367 | | string GetSqlName (Expression expr) |
| | 4368 | | { |
| | 4369 | | var n = expr.NodeType; |
| | 4370 | | if (n == ExpressionType.GreaterThan) |
| | 4371 | | return ">"; |
| | 4372 | | else if (n == ExpressionType.GreaterThanOrEqual) { |
| | 4373 | | return ">="; |
| | 4374 | | } |
| | 4375 | | else if (n == ExpressionType.LessThan) { |
| | 4376 | | return "<"; |
| | 4377 | | } |
| | 4378 | | else if (n == ExpressionType.LessThanOrEqual) { |
| | 4379 | | return "<="; |
| | 4380 | | } |
| | 4381 | | else if (n == ExpressionType.And) { |
| | 4382 | | return "&"; |
| | 4383 | | } |
| | 4384 | | else if (n == ExpressionType.AndAlso) { |
| | 4385 | | return "and"; |
| | 4386 | | } |
| | 4387 | | else if (n == ExpressionType.Or) { |
| | 4388 | | return "|"; |
| | 4389 | | } |
| | 4390 | | else if (n == ExpressionType.OrElse) { |
| | 4391 | | return "or"; |
| | 4392 | | } |
| | 4393 | | else if (n == ExpressionType.Equal) { |
| | 4394 | | return "="; |
| | 4395 | | } |
| | 4396 | | else if (n == ExpressionType.NotEqual) { |
| | 4397 | | return "!="; |
| | 4398 | | } |
| | 4399 | | else { |
| | 4400 | | throw new NotSupportedException ("Cannot get SQL for: " + n); |
| | 4401 | | } |
| | 4402 | | } |
| | 4403 | |
|
| | 4404 | | /// <summary> |
| | 4405 | | /// Execute SELECT COUNT(*) on the query |
| | 4406 | | /// </summary> |
| | 4407 | | public int Count () |
| | 4408 | | { |
| | 4409 | | return GenerateCommand ("count(*)").ExecuteScalar<int> (); |
| | 4410 | | } |
| | 4411 | |
|
| | 4412 | | /// <summary> |
| | 4413 | | /// Execute SELECT COUNT(*) on the query with an additional WHERE clause. |
| | 4414 | | /// </summary> |
| | 4415 | | public int Count (Expression<Func<T, bool>> predExpr) |
| | 4416 | | { |
| | 4417 | | return Where (predExpr).Count (); |
| | 4418 | | } |
| | 4419 | |
|
| | 4420 | | public IEnumerator<T> GetEnumerator () |
| | 4421 | | { |
| | 4422 | | if (!_deferred) |
| | 4423 | | return GenerateCommand ("*").ExecuteQuery<T> ().GetEnumerator (); |
| | 4424 | |
|
| | 4425 | | return GenerateCommand ("*").ExecuteDeferredQuery<T> ().GetEnumerator (); |
| | 4426 | | } |
| | 4427 | |
|
| | 4428 | | System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator () |
| | 4429 | | { |
| | 4430 | | return GetEnumerator (); |
| | 4431 | | } |
| | 4432 | |
|
| | 4433 | | /// <summary> |
| | 4434 | | /// Queries the database and returns the results as a List. |
| | 4435 | | /// </summary> |
| | 4436 | | public List<T> ToList () |
| | 4437 | | { |
| | 4438 | | return GenerateCommand ("*").ExecuteQuery<T> (); |
| | 4439 | | } |
| | 4440 | |
|
| | 4441 | | /// <summary> |
| | 4442 | | /// Queries the database and returns the results as an array. |
| | 4443 | | /// </summary> |
| | 4444 | | public T[] ToArray () |
| | 4445 | | { |
| | 4446 | | return GenerateCommand ("*").ExecuteQuery<T> ().ToArray (); |
| | 4447 | | } |
| | 4448 | |
|
| | 4449 | | /// <summary> |
| | 4450 | | /// Returns the first element of this query. |
| | 4451 | | /// </summary> |
| | 4452 | | public T First () |
| | 4453 | | { |
| | 4454 | | var query = Take (1); |
| | 4455 | | return query.ToList ().First (); |
| | 4456 | | } |
| | 4457 | |
|
| | 4458 | | /// <summary> |
| | 4459 | | /// Returns the first element of this query, or null if no element is found. |
| | 4460 | | /// </summary> |
| | 4461 | | public T FirstOrDefault () |
| | 4462 | | { |
| | 4463 | | var query = Take (1); |
| | 4464 | | return query.ToList ().FirstOrDefault (); |
| | 4465 | | } |
| | 4466 | |
|
| | 4467 | | /// <summary> |
| | 4468 | | /// Returns the first element of this query that matches the predicate. |
| | 4469 | | /// </summary> |
| | 4470 | | public T First (Expression<Func<T, bool>> predExpr) |
| | 4471 | | { |
| | 4472 | | return Where (predExpr).First (); |
| | 4473 | | } |
| | 4474 | |
|
| | 4475 | | /// <summary> |
| | 4476 | | /// Returns the first element of this query that matches the predicate, or null |
| | 4477 | | /// if no element is found. |
| | 4478 | | /// </summary> |
| | 4479 | | public T FirstOrDefault (Expression<Func<T, bool>> predExpr) |
| | 4480 | | { |
| | 4481 | | return Where (predExpr).FirstOrDefault (); |
| | 4482 | | } |
| | 4483 | | } |
| | 4484 | |
|
| | 4485 | | public static class SQLite3 |
| | 4486 | | { |
| | 4487 | | public enum Result : int |
| | 4488 | | { |
| | 4489 | | OK = 0, |
| | 4490 | | Error = 1, |
| | 4491 | | Internal = 2, |
| | 4492 | | Perm = 3, |
| | 4493 | | Abort = 4, |
| | 4494 | | Busy = 5, |
| | 4495 | | Locked = 6, |
| | 4496 | | NoMem = 7, |
| | 4497 | | ReadOnly = 8, |
| | 4498 | | Interrupt = 9, |
| | 4499 | | IOError = 10, |
| | 4500 | | Corrupt = 11, |
| | 4501 | | NotFound = 12, |
| | 4502 | | Full = 13, |
| | 4503 | | CannotOpen = 14, |
| | 4504 | | LockErr = 15, |
| | 4505 | | Empty = 16, |
| | 4506 | | SchemaChngd = 17, |
| | 4507 | | TooBig = 18, |
| | 4508 | | Constraint = 19, |
| | 4509 | | Mismatch = 20, |
| | 4510 | | Misuse = 21, |
| | 4511 | | NotImplementedLFS = 22, |
| | 4512 | | AccessDenied = 23, |
| | 4513 | | Format = 24, |
| | 4514 | | Range = 25, |
| | 4515 | | NonDBFile = 26, |
| | 4516 | | Notice = 27, |
| | 4517 | | Warning = 28, |
| | 4518 | | Row = 100, |
| | 4519 | | Done = 101 |
| | 4520 | | } |
| | 4521 | |
|
| | 4522 | | public enum ExtendedResult : int |
| | 4523 | | { |
| | 4524 | | IOErrorRead = (Result.IOError | (1 << 8)), |
| | 4525 | | IOErrorShortRead = (Result.IOError | (2 << 8)), |
| | 4526 | | IOErrorWrite = (Result.IOError | (3 << 8)), |
| | 4527 | | IOErrorFsync = (Result.IOError | (4 << 8)), |
| | 4528 | | IOErrorDirFSync = (Result.IOError | (5 << 8)), |
| | 4529 | | IOErrorTruncate = (Result.IOError | (6 << 8)), |
| | 4530 | | IOErrorFStat = (Result.IOError | (7 << 8)), |
| | 4531 | | IOErrorUnlock = (Result.IOError | (8 << 8)), |
| | 4532 | | IOErrorRdlock = (Result.IOError | (9 << 8)), |
| | 4533 | | IOErrorDelete = (Result.IOError | (10 << 8)), |
| | 4534 | | IOErrorBlocked = (Result.IOError | (11 << 8)), |
| | 4535 | | IOErrorNoMem = (Result.IOError | (12 << 8)), |
| | 4536 | | IOErrorAccess = (Result.IOError | (13 << 8)), |
| | 4537 | | IOErrorCheckReservedLock = (Result.IOError | (14 << 8)), |
| | 4538 | | IOErrorLock = (Result.IOError | (15 << 8)), |
| | 4539 | | IOErrorClose = (Result.IOError | (16 << 8)), |
| | 4540 | | IOErrorDirClose = (Result.IOError | (17 << 8)), |
| | 4541 | | IOErrorSHMOpen = (Result.IOError | (18 << 8)), |
| | 4542 | | IOErrorSHMSize = (Result.IOError | (19 << 8)), |
| | 4543 | | IOErrorSHMLock = (Result.IOError | (20 << 8)), |
| | 4544 | | IOErrorSHMMap = (Result.IOError | (21 << 8)), |
| | 4545 | | IOErrorSeek = (Result.IOError | (22 << 8)), |
| | 4546 | | IOErrorDeleteNoEnt = (Result.IOError | (23 << 8)), |
| | 4547 | | IOErrorMMap = (Result.IOError | (24 << 8)), |
| | 4548 | | LockedSharedcache = (Result.Locked | (1 << 8)), |
| | 4549 | | BusyRecovery = (Result.Busy | (1 << 8)), |
| | 4550 | | CannottOpenNoTempDir = (Result.CannotOpen | (1 << 8)), |
| | 4551 | | CannotOpenIsDir = (Result.CannotOpen | (2 << 8)), |
| | 4552 | | CannotOpenFullPath = (Result.CannotOpen | (3 << 8)), |
| | 4553 | | CorruptVTab = (Result.Corrupt | (1 << 8)), |
| | 4554 | | ReadonlyRecovery = (Result.ReadOnly | (1 << 8)), |
| | 4555 | | ReadonlyCannotLock = (Result.ReadOnly | (2 << 8)), |
| | 4556 | | ReadonlyRollback = (Result.ReadOnly | (3 << 8)), |
| | 4557 | | AbortRollback = (Result.Abort | (2 << 8)), |
| | 4558 | | ConstraintCheck = (Result.Constraint | (1 << 8)), |
| | 4559 | | ConstraintCommitHook = (Result.Constraint | (2 << 8)), |
| | 4560 | | ConstraintForeignKey = (Result.Constraint | (3 << 8)), |
| | 4561 | | ConstraintFunction = (Result.Constraint | (4 << 8)), |
| | 4562 | | ConstraintNotNull = (Result.Constraint | (5 << 8)), |
| | 4563 | | ConstraintPrimaryKey = (Result.Constraint | (6 << 8)), |
| | 4564 | | ConstraintTrigger = (Result.Constraint | (7 << 8)), |
| | 4565 | | ConstraintUnique = (Result.Constraint | (8 << 8)), |
| | 4566 | | ConstraintVTab = (Result.Constraint | (9 << 8)), |
| | 4567 | | NoticeRecoverWAL = (Result.Notice | (1 << 8)), |
| | 4568 | | NoticeRecoverRollback = (Result.Notice | (2 << 8)) |
| | 4569 | | } |
| | 4570 | |
|
| | 4571 | |
|
| | 4572 | | public enum ConfigOption : int |
| | 4573 | | { |
| | 4574 | | SingleThread = 1, |
| | 4575 | | MultiThread = 2, |
| | 4576 | | Serialized = 3 |
| | 4577 | | } |
| | 4578 | |
|
| | 4579 | | const string LibraryPath = "sqlite3"; |
| | 4580 | |
|
| | 4581 | | #if !USE_CSHARP_SQLITE && !USE_WP8_NATIVE_SQLITE && !USE_SQLITEPCL_RAW |
| | 4582 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_threadsafe", CallingConvention=CallingConvention.Cdecl)] |
| | 4583 | | public static extern int Threadsafe (); |
| | 4584 | |
|
| | 4585 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_open", CallingConvention=CallingConvention.Cdecl)] |
| | 4586 | | public static extern Result Open ([MarshalAs(UnmanagedType.LPStr)] string filename, out IntPtr db); |
| | 4587 | |
|
| | 4588 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_open_v2", CallingConvention=CallingConvention.Cdecl)] |
| | 4589 | | public static extern Result Open ([MarshalAs(UnmanagedType.LPStr)] string filename, out IntPtr db, int flags, [Marsh |
| | 4590 | |
|
| | 4591 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_open_v2", CallingConvention = CallingConvention.Cdecl)] |
| | 4592 | | public static extern Result Open(byte[] filename, out IntPtr db, int flags, [MarshalAs (UnmanagedType.LPStr)] string |
| | 4593 | |
|
| | 4594 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_open16", CallingConvention = CallingConvention.Cdecl)] |
| | 4595 | | public static extern Result Open16([MarshalAs(UnmanagedType.LPWStr)] string filename, out IntPtr db); |
| | 4596 | |
|
| | 4597 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_enable_load_extension", CallingConvention=CallingConvention.Cdecl)] |
| | 4598 | | public static extern Result EnableLoadExtension (IntPtr db, int onoff); |
| | 4599 | |
|
| | 4600 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_close", CallingConvention=CallingConvention.Cdecl)] |
| | 4601 | | public static extern Result Close (IntPtr db); |
| | 4602 | |
|
| | 4603 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_close_v2", CallingConvention = CallingConvention.Cdecl)] |
| | 4604 | | public static extern Result Close2(IntPtr db); |
| | 4605 | |
|
| | 4606 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_initialize", CallingConvention=CallingConvention.Cdecl)] |
| | 4607 | | public static extern Result Initialize(); |
| | 4608 | |
|
| | 4609 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_shutdown", CallingConvention=CallingConvention.Cdecl)] |
| | 4610 | | public static extern Result Shutdown(); |
| | 4611 | |
|
| | 4612 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_config", CallingConvention=CallingConvention.Cdecl)] |
| | 4613 | | public static extern Result Config (ConfigOption option); |
| | 4614 | |
|
| | 4615 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_win32_set_directory", CallingConvention=CallingConvention.Cdecl, CharS |
| | 4616 | | public static extern int SetDirectory (uint directoryType, string directoryPath); |
| | 4617 | |
|
| | 4618 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_busy_timeout", CallingConvention=CallingConvention.Cdecl)] |
| | 4619 | | public static extern Result BusyTimeout (IntPtr db, int milliseconds); |
| | 4620 | |
|
| | 4621 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_changes", CallingConvention=CallingConvention.Cdecl)] |
| | 4622 | | public static extern int Changes (IntPtr db); |
| | 4623 | |
|
| | 4624 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_prepare_v2", CallingConvention=CallingConvention.Cdecl)] |
| | 4625 | | public static extern Result Prepare2 (IntPtr db, [MarshalAs(UnmanagedType.LPStr)] string sql, int numBytes, out IntP |
| | 4626 | |
|
| | 4627 | | #if NETFX_CORE |
| | 4628 | | [DllImport (LibraryPath, EntryPoint = "sqlite3_prepare_v2", CallingConvention = CallingConvention.Cdecl)] |
| | 4629 | | public static extern Result Prepare2 (IntPtr db, byte[] queryBytes, int numBytes, out IntPtr stmt, IntPtr pzTail); |
| | 4630 | | #endif |
| | 4631 | |
|
| | 4632 | | public static IntPtr Prepare2 (IntPtr db, string query) |
| | 4633 | | { |
| | 4634 | | IntPtr stmt; |
| | 4635 | | #if NETFX_CORE |
| | 4636 | | byte[] queryBytes = System.Text.UTF8Encoding.UTF8.GetBytes (query); |
| | 4637 | | var r = Prepare2 (db, queryBytes, queryBytes.Length, out stmt, IntPtr.Zero); |
| | 4638 | | #else |
| | 4639 | | var r = Prepare2 (db, query, System.Text.UTF8Encoding.UTF8.GetByteCount (query), out stmt, IntPtr.Zero); |
| | 4640 | | #endif |
| | 4641 | | if (r != Result.OK) { |
| | 4642 | | throw SQLiteException.New (r, GetErrmsg (db)); |
| | 4643 | | } |
| | 4644 | | return stmt; |
| | 4645 | | } |
| | 4646 | |
|
| | 4647 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_step", CallingConvention=CallingConvention.Cdecl)] |
| | 4648 | | public static extern Result Step (IntPtr stmt); |
| | 4649 | |
|
| | 4650 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_reset", CallingConvention=CallingConvention.Cdecl)] |
| | 4651 | | public static extern Result Reset (IntPtr stmt); |
| | 4652 | |
|
| | 4653 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_finalize", CallingConvention=CallingConvention.Cdecl)] |
| | 4654 | | public static extern Result Finalize (IntPtr stmt); |
| | 4655 | |
|
| | 4656 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_last_insert_rowid", CallingConvention=CallingConvention.Cdecl)] |
| | 4657 | | public static extern long LastInsertRowid (IntPtr db); |
| | 4658 | |
|
| | 4659 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_errmsg16", CallingConvention=CallingConvention.Cdecl)] |
| | 4660 | | public static extern IntPtr Errmsg (IntPtr db); |
| | 4661 | |
|
| | 4662 | | public static string GetErrmsg (IntPtr db) |
| | 4663 | | { |
| | 4664 | | return Marshal.PtrToStringUni (Errmsg (db)); |
| | 4665 | | } |
| | 4666 | |
|
| | 4667 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_bind_parameter_index", CallingConvention=CallingConvention.Cdecl)] |
| | 4668 | | public static extern int BindParameterIndex (IntPtr stmt, [MarshalAs(UnmanagedType.LPStr)] string name); |
| | 4669 | |
|
| | 4670 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_bind_null", CallingConvention=CallingConvention.Cdecl)] |
| | 4671 | | public static extern int BindNull (IntPtr stmt, int index); |
| | 4672 | |
|
| | 4673 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_bind_int", CallingConvention=CallingConvention.Cdecl)] |
| | 4674 | | public static extern int BindInt (IntPtr stmt, int index, int val); |
| | 4675 | |
|
| | 4676 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_bind_int64", CallingConvention=CallingConvention.Cdecl)] |
| | 4677 | | public static extern int BindInt64 (IntPtr stmt, int index, long val); |
| | 4678 | |
|
| | 4679 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_bind_double", CallingConvention=CallingConvention.Cdecl)] |
| | 4680 | | public static extern int BindDouble (IntPtr stmt, int index, double val); |
| | 4681 | |
|
| | 4682 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_bind_text16", CallingConvention=CallingConvention.Cdecl, CharSet = Cha |
| | 4683 | | public static extern int BindText (IntPtr stmt, int index, [MarshalAs(UnmanagedType.LPWStr)] string val, int n, IntP |
| | 4684 | |
|
| | 4685 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_bind_blob", CallingConvention=CallingConvention.Cdecl)] |
| | 4686 | | public static extern int BindBlob (IntPtr stmt, int index, byte[] val, int n, IntPtr free); |
| | 4687 | |
|
| | 4688 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_count", CallingConvention=CallingConvention.Cdecl)] |
| | 4689 | | public static extern int ColumnCount (IntPtr stmt); |
| | 4690 | |
|
| | 4691 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_name", CallingConvention=CallingConvention.Cdecl)] |
| | 4692 | | public static extern IntPtr ColumnName (IntPtr stmt, int index); |
| | 4693 | |
|
| | 4694 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_name16", CallingConvention=CallingConvention.Cdecl)] |
| | 4695 | | static extern IntPtr ColumnName16Internal (IntPtr stmt, int index); |
| | 4696 | | public static string ColumnName16(IntPtr stmt, int index) |
| | 4697 | | { |
| | 4698 | | return Marshal.PtrToStringUni(ColumnName16Internal(stmt, index)); |
| | 4699 | | } |
| | 4700 | |
|
| | 4701 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_type", CallingConvention=CallingConvention.Cdecl)] |
| | 4702 | | public static extern ColType ColumnType (IntPtr stmt, int index); |
| | 4703 | |
|
| | 4704 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_int", CallingConvention=CallingConvention.Cdecl)] |
| | 4705 | | public static extern int ColumnInt (IntPtr stmt, int index); |
| | 4706 | |
|
| | 4707 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_int64", CallingConvention=CallingConvention.Cdecl)] |
| | 4708 | | public static extern long ColumnInt64 (IntPtr stmt, int index); |
| | 4709 | |
|
| | 4710 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_double", CallingConvention=CallingConvention.Cdecl)] |
| | 4711 | | public static extern double ColumnDouble (IntPtr stmt, int index); |
| | 4712 | |
|
| | 4713 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_text", CallingConvention=CallingConvention.Cdecl)] |
| | 4714 | | public static extern IntPtr ColumnText (IntPtr stmt, int index); |
| | 4715 | |
|
| | 4716 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_text16", CallingConvention=CallingConvention.Cdecl)] |
| | 4717 | | public static extern IntPtr ColumnText16 (IntPtr stmt, int index); |
| | 4718 | |
|
| | 4719 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_blob", CallingConvention=CallingConvention.Cdecl)] |
| | 4720 | | public static extern IntPtr ColumnBlob (IntPtr stmt, int index); |
| | 4721 | |
|
| | 4722 | | [DllImport(LibraryPath, EntryPoint = "sqlite3_column_bytes", CallingConvention=CallingConvention.Cdecl)] |
| | 4723 | | public static extern int ColumnBytes (IntPtr stmt, int index); |
| | 4724 | |
|
| | 4725 | | public static string ColumnString (IntPtr stmt, int index) |
| | 4726 | | { |
| | 4727 | | return Marshal.PtrToStringUni (SQLite3.ColumnText16 (stmt, index)); |
| | 4728 | | } |
| | 4729 | |
|
| | 4730 | | public static byte[] ColumnByteArray (IntPtr stmt, int index) |
| | 4731 | | { |
| | 4732 | | int length = ColumnBytes (stmt, index); |
| | 4733 | | var result = new byte[length]; |
| | 4734 | | if (length > 0) |
| | 4735 | | Marshal.Copy (ColumnBlob (stmt, index), result, 0, length); |
| | 4736 | | return result; |
| | 4737 | | } |
| | 4738 | |
|
| | 4739 | | [DllImport (LibraryPath, EntryPoint = "sqlite3_errcode", CallingConvention = CallingConvention.Cdecl)] |
| | 4740 | | public static extern Result GetResult (Sqlite3DatabaseHandle db); |
| | 4741 | |
|
| | 4742 | | [DllImport (LibraryPath, EntryPoint = "sqlite3_extended_errcode", CallingConvention = CallingConvention.Cdecl)] |
| | 4743 | | public static extern ExtendedResult ExtendedErrCode (IntPtr db); |
| | 4744 | |
|
| | 4745 | | [DllImport (LibraryPath, EntryPoint = "sqlite3_libversion_number", CallingConvention = CallingConvention.Cdecl)] |
| | 4746 | | public static extern int LibVersionNumber (); |
| | 4747 | |
|
| | 4748 | | [DllImport (LibraryPath, EntryPoint = "sqlite3_backup_init", CallingConvention = CallingConvention.Cdecl)] |
| | 4749 | | public static extern Sqlite3BackupHandle BackupInit (Sqlite3DatabaseHandle destDb, [MarshalAs (UnmanagedType.LPStr)] |
| | 4750 | |
|
| | 4751 | | [DllImport (LibraryPath, EntryPoint = "sqlite3_backup_step", CallingConvention = CallingConvention.Cdecl)] |
| | 4752 | | public static extern Result BackupStep (Sqlite3BackupHandle backup, int numPages); |
| | 4753 | |
|
| | 4754 | | [DllImport (LibraryPath, EntryPoint = "sqlite3_backup_finish", CallingConvention = CallingConvention.Cdecl)] |
| | 4755 | | public static extern Result BackupFinish (Sqlite3BackupHandle backup); |
| | 4756 | | #else |
| | 4757 | | public static Result Open (string filename, out Sqlite3DatabaseHandle db) |
| | 4758 | | { |
| | 4759 | | return (Result)Sqlite3.sqlite3_open (filename, out db); |
| | 4760 | | } |
| | 4761 | |
|
| | 4762 | | public static Result Open (string filename, out Sqlite3DatabaseHandle db, int flags, string vfsName) |
| | 4763 | | { |
| | 4764 | | #if USE_WP8_NATIVE_SQLITE |
| | 4765 | | return (Result)Sqlite3.sqlite3_open_v2(filename, out db, flags, vfsName ?? ""); |
| | 4766 | | #else |
| | 4767 | | return (Result)Sqlite3.sqlite3_open_v2 (filename, out db, flags, vfsName); |
| | 4768 | | #endif |
| | 4769 | | } |
| | 4770 | |
|
| | 4771 | | public static Result Close (Sqlite3DatabaseHandle db) |
| | 4772 | | { |
| | 4773 | | return (Result)Sqlite3.sqlite3_close (db); |
| | 4774 | | } |
| | 4775 | |
|
| | 4776 | | public static Result Close2 (Sqlite3DatabaseHandle db) |
| | 4777 | | { |
| | 4778 | | return (Result)Sqlite3.sqlite3_close_v2 (db); |
| | 4779 | | } |
| | 4780 | |
|
| | 4781 | | public static Result BusyTimeout (Sqlite3DatabaseHandle db, int milliseconds) |
| | 4782 | | { |
| | 4783 | | return (Result)Sqlite3.sqlite3_busy_timeout (db, milliseconds); |
| | 4784 | | } |
| | 4785 | |
|
| | 4786 | | public static int Changes (Sqlite3DatabaseHandle db) |
| | 4787 | | { |
| | 4788 | | return Sqlite3.sqlite3_changes (db); |
| | 4789 | | } |
| | 4790 | |
|
| | 4791 | | public static Sqlite3Statement Prepare2 (Sqlite3DatabaseHandle db, string query) |
| | 4792 | | { |
| | 4793 | | Sqlite3Statement stmt = default (Sqlite3Statement); |
| | 4794 | | #if USE_WP8_NATIVE_SQLITE || USE_SQLITEPCL_RAW |
| | 4795 | | var r = Sqlite3.sqlite3_prepare_v2 (db, query, out stmt); |
| | 4796 | | #else |
| | 4797 | | stmt = new Sqlite3Statement(); |
| | 4798 | | var r = Sqlite3.sqlite3_prepare_v2(db, query, -1, ref stmt, 0); |
| | 4799 | | #endif |
| | 4800 | | if (r != 0) { |
| | 4801 | | throw SQLiteException.New ((Result)r, GetErrmsg (db)); |
| | 4802 | | } |
| | 4803 | | return stmt; |
| | 4804 | | } |
| | 4805 | |
|
| | 4806 | | public static Result Step (Sqlite3Statement stmt) |
| | 4807 | | { |
| | 4808 | | return (Result)Sqlite3.sqlite3_step (stmt); |
| | 4809 | | } |
| | 4810 | |
|
| | 4811 | | public static Result Reset (Sqlite3Statement stmt) |
| | 4812 | | { |
| | 4813 | | return (Result)Sqlite3.sqlite3_reset (stmt); |
| | 4814 | | } |
| | 4815 | |
|
| | 4816 | | public static Result Finalize (Sqlite3Statement stmt) |
| | 4817 | | { |
| | 4818 | | return (Result)Sqlite3.sqlite3_finalize (stmt); |
| | 4819 | | } |
| | 4820 | |
|
| | 4821 | | public static long LastInsertRowid (Sqlite3DatabaseHandle db) |
| | 4822 | | { |
| | 4823 | | return Sqlite3.sqlite3_last_insert_rowid (db); |
| | 4824 | | } |
| | 4825 | |
|
| | 4826 | | public static string GetErrmsg (Sqlite3DatabaseHandle db) |
| | 4827 | | { |
| | 4828 | | return Sqlite3.sqlite3_errmsg (db).utf8_to_string (); |
| | 4829 | | } |
| | 4830 | |
|
| | 4831 | | public static int BindParameterIndex (Sqlite3Statement stmt, string name) |
| | 4832 | | { |
| | 4833 | | return Sqlite3.sqlite3_bind_parameter_index (stmt, name); |
| | 4834 | | } |
| | 4835 | |
|
| | 4836 | | public static int BindNull (Sqlite3Statement stmt, int index) |
| | 4837 | | { |
| | 4838 | | return Sqlite3.sqlite3_bind_null (stmt, index); |
| | 4839 | | } |
| | 4840 | |
|
| | 4841 | | public static int BindInt (Sqlite3Statement stmt, int index, int val) |
| | 4842 | | { |
| | 4843 | | return Sqlite3.sqlite3_bind_int (stmt, index, val); |
| | 4844 | | } |
| | 4845 | |
|
| | 4846 | | public static int BindInt64 (Sqlite3Statement stmt, int index, long val) |
| | 4847 | | { |
| | 4848 | | return Sqlite3.sqlite3_bind_int64 (stmt, index, val); |
| | 4849 | | } |
| | 4850 | |
|
| | 4851 | | public static int BindDouble (Sqlite3Statement stmt, int index, double val) |
| | 4852 | | { |
| | 4853 | | return Sqlite3.sqlite3_bind_double (stmt, index, val); |
| | 4854 | | } |
| | 4855 | |
|
| | 4856 | | public static int BindText (Sqlite3Statement stmt, int index, string val, int n, IntPtr free) |
| | 4857 | | { |
| | 4858 | | #if USE_WP8_NATIVE_SQLITE |
| | 4859 | | return Sqlite3.sqlite3_bind_text(stmt, index, val, n); |
| | 4860 | | #elif USE_SQLITEPCL_RAW |
| | 4861 | | return Sqlite3.sqlite3_bind_text (stmt, index, val); |
| | 4862 | | #else |
| | 4863 | | return Sqlite3.sqlite3_bind_text(stmt, index, val, n, null); |
| | 4864 | | #endif |
| | 4865 | | } |
| | 4866 | |
|
| | 4867 | | public static int BindBlob (Sqlite3Statement stmt, int index, byte[] val, int n, IntPtr free) |
| | 4868 | | { |
| | 4869 | | #if USE_WP8_NATIVE_SQLITE |
| | 4870 | | return Sqlite3.sqlite3_bind_blob(stmt, index, val, n); |
| | 4871 | | #elif USE_SQLITEPCL_RAW |
| | 4872 | | return Sqlite3.sqlite3_bind_blob (stmt, index, val); |
| | 4873 | | #else |
| | 4874 | | return Sqlite3.sqlite3_bind_blob(stmt, index, val, n, null); |
| | 4875 | | #endif |
| | 4876 | | } |
| | 4877 | |
|
| | 4878 | | public static int ColumnCount (Sqlite3Statement stmt) |
| | 4879 | | { |
| | 4880 | | return Sqlite3.sqlite3_column_count (stmt); |
| | 4881 | | } |
| | 4882 | |
|
| | 4883 | | public static string ColumnName (Sqlite3Statement stmt, int index) |
| | 4884 | | { |
| | 4885 | | return Sqlite3.sqlite3_column_name (stmt, index).utf8_to_string (); |
| | 4886 | | } |
| | 4887 | |
|
| | 4888 | | public static string ColumnName16 (Sqlite3Statement stmt, int index) |
| | 4889 | | { |
| | 4890 | | return Sqlite3.sqlite3_column_name (stmt, index).utf8_to_string (); |
| | 4891 | | } |
| | 4892 | |
|
| | 4893 | | public static ColType ColumnType (Sqlite3Statement stmt, int index) |
| | 4894 | | { |
| | 4895 | | return (ColType)Sqlite3.sqlite3_column_type (stmt, index); |
| | 4896 | | } |
| | 4897 | |
|
| | 4898 | | public static int ColumnInt (Sqlite3Statement stmt, int index) |
| | 4899 | | { |
| | 4900 | | return Sqlite3.sqlite3_column_int (stmt, index); |
| | 4901 | | } |
| | 4902 | |
|
| | 4903 | | public static long ColumnInt64 (Sqlite3Statement stmt, int index) |
| | 4904 | | { |
| | 4905 | | return Sqlite3.sqlite3_column_int64 (stmt, index); |
| | 4906 | | } |
| | 4907 | |
|
| | 4908 | | public static double ColumnDouble (Sqlite3Statement stmt, int index) |
| | 4909 | | { |
| | 4910 | | return Sqlite3.sqlite3_column_double (stmt, index); |
| | 4911 | | } |
| | 4912 | |
|
| | 4913 | | public static string ColumnText (Sqlite3Statement stmt, int index) |
| | 4914 | | { |
| | 4915 | | return Sqlite3.sqlite3_column_text (stmt, index).utf8_to_string (); |
| | 4916 | | } |
| | 4917 | |
|
| | 4918 | | public static string ColumnText16 (Sqlite3Statement stmt, int index) |
| | 4919 | | { |
| | 4920 | | return Sqlite3.sqlite3_column_text (stmt, index).utf8_to_string (); |
| | 4921 | | } |
| | 4922 | |
|
| | 4923 | | public static byte[] ColumnBlob (Sqlite3Statement stmt, int index) |
| | 4924 | | { |
| | 4925 | | return Sqlite3.sqlite3_column_blob (stmt, index).ToArray (); |
| | 4926 | | } |
| | 4927 | |
|
| | 4928 | | public static int ColumnBytes (Sqlite3Statement stmt, int index) |
| | 4929 | | { |
| | 4930 | | return Sqlite3.sqlite3_column_bytes (stmt, index); |
| | 4931 | | } |
| | 4932 | |
|
| | 4933 | | public static string ColumnString (Sqlite3Statement stmt, int index) |
| | 4934 | | { |
| | 4935 | | return Sqlite3.sqlite3_column_text (stmt, index).utf8_to_string (); |
| | 4936 | | } |
| | 4937 | |
|
| | 4938 | | public static byte[] ColumnByteArray (Sqlite3Statement stmt, int index) |
| | 4939 | | { |
| | 4940 | | int length = ColumnBytes (stmt, index); |
| | 4941 | | if (length > 0) { |
| | 4942 | | return ColumnBlob (stmt, index); |
| | 4943 | | } |
| | 4944 | | return new byte[0]; |
| | 4945 | | } |
| | 4946 | |
|
| | 4947 | | public static Result EnableLoadExtension (Sqlite3DatabaseHandle db, int onoff) |
| | 4948 | | { |
| | 4949 | | return (Result)Sqlite3.sqlite3_enable_load_extension (db, onoff); |
| | 4950 | | } |
| | 4951 | |
|
| | 4952 | | public static int LibVersionNumber () |
| | 4953 | | { |
| | 4954 | | return Sqlite3.sqlite3_libversion_number (); |
| | 4955 | | } |
| | 4956 | |
|
| | 4957 | | public static Result GetResult (Sqlite3DatabaseHandle db) |
| | 4958 | | { |
| | 4959 | | return (Result)Sqlite3.sqlite3_errcode (db); |
| | 4960 | | } |
| | 4961 | |
|
| | 4962 | | public static ExtendedResult ExtendedErrCode (Sqlite3DatabaseHandle db) |
| | 4963 | | { |
| | 4964 | | return (ExtendedResult)Sqlite3.sqlite3_extended_errcode (db); |
| | 4965 | | } |
| | 4966 | |
|
| | 4967 | | public static Sqlite3BackupHandle BackupInit (Sqlite3DatabaseHandle destDb, string destName, Sqlite3DatabaseHandle s |
| | 4968 | | { |
| | 4969 | | return Sqlite3.sqlite3_backup_init (destDb, destName, sourceDb, sourceName); |
| | 4970 | | } |
| | 4971 | |
|
| | 4972 | | public static Result BackupStep (Sqlite3BackupHandle backup, int numPages) |
| | 4973 | | { |
| | 4974 | | return (Result)Sqlite3.sqlite3_backup_step (backup, numPages); |
| | 4975 | | } |
| | 4976 | |
|
| | 4977 | | public static Result BackupFinish (Sqlite3BackupHandle backup) |
| | 4978 | | { |
| | 4979 | | return (Result)Sqlite3.sqlite3_backup_finish (backup); |
| | 4980 | | } |
| | 4981 | | #endif |
| | 4982 | |
|
| | 4983 | | public enum ColType : int |
| | 4984 | | { |
| | 4985 | | Integer = 1, |
| | 4986 | | Float = 2, |
| | 4987 | | Text = 3, |
| | 4988 | | Blob = 4, |
| | 4989 | | Null = 5 |
| | 4990 | | } |
| | 4991 | | } |
| | 4992 | | } |