├── .gitignore ├── DbExpressions.Tests ├── App.config ├── DbExpressionFactoryTests.cs ├── DbExpressionSyntaxTests.cs ├── DbExpressions.Tests.csproj ├── DbExpressions.Tests.csproj.vspscc ├── MySqlExpressionSyntaxTests.cs ├── OracleExpressionSyntaxTests.cs ├── Properties │ └── AssemblyInfo.cs ├── SQLiteExpressionSyntaxTests.cs ├── SqlExpressionSyntaxTests.cs └── StringExtensions.cs ├── DbExpressions.sln ├── DbExpressions.vsmdi ├── DbExpressions.vssscc ├── DbExpressions ├── Configuration │ ├── DbExpressionSettings.cs │ ├── QueryTranslatorElement.cs │ └── QueryTranslatorElementCollection.cs ├── DbExpressionFactory.cs ├── DbExpressions.csproj ├── DbExpressions.csproj.vspscc ├── DbGroupByExpression.cs ├── DbQueryTranslatorFactory.cs ├── DbTranslateResult.cs ├── Enums │ ├── DbAggregateFunctionExpressionType.cs │ ├── DbBinaryExpressionType.cs │ ├── DbDateTimeFunctionExpressionType.cs │ ├── DbExpressionType.cs │ ├── DbFunctionExpressionType.cs │ ├── DbJoinExpressionType.cs │ ├── DbMathematicalFunctionExpressionType.cs │ ├── DbOrderByExpressionType.cs │ ├── DbQueryType.cs │ ├── DbStringFunctionExpressionType.cs │ └── DbUnaryExpressionType.cs ├── Expressions │ ├── DbAggregateFunctionExpression.cs │ ├── DbAliasExpression.cs │ ├── DbBatchExpression.cs │ ├── DbBinaryExpression.cs │ ├── DbColumnExpression.cs │ ├── DbConcatExpression.cs │ ├── DbConditionalExpression.cs │ ├── DbConstantExpression.cs │ ├── DbDateTimeFunctionExpression.cs │ ├── DbDeleteExpression.cs │ ├── DbExistsExpression.cs │ ├── DbExpression.cs │ ├── DbFunctionExpression.cs │ ├── DbInExpression.cs │ ├── DbInsertExpression.cs │ ├── DbJoinExpression.cs │ ├── DbListExpression.cs │ ├── DbMathematicalFunctionExpression.cs │ ├── DbOrderByExpression.cs │ ├── DbPrefixExpression.cs │ ├── DbQuery.cs │ ├── DbQueryExpression.cs │ ├── DbSelectExpression.cs │ ├── DbSqlExpression.cs │ ├── DbStringFunctionExpression.cs │ ├── DbTableExpression.cs │ ├── DbUnaryExpression.cs │ └── DbUpdateExpression.cs ├── Extensions │ ├── DbDeleteQueryExtensions.cs │ ├── DbExpressionExtensions.cs │ ├── DbInsertQueryExtensions.cs │ ├── DbQueryExtensions.cs │ ├── DbSelectQueryExtensions.cs │ ├── DbUpdateQueryExtensions.cs │ └── StringBuilderExtensions.cs ├── Properties │ └── AssemblyInfo.cs ├── Settings.StyleCop └── Visitors │ ├── DbExpressionFinder.cs │ ├── DbExpressionReplacer.cs │ ├── DbExpressionVisitor.cs │ └── Translators │ ├── Concrete │ ├── MySqlQueryTranslator.cs │ ├── OracleQueryTranslator.cs │ ├── SQLiteQueryTranslator.cs │ └── SqlQueryTranslator.cs │ └── DbQueryTranslator.cs ├── LICENSE ├── Local.testsettings ├── README └── TraceAndTestImpact.testsettings /.gitignore: -------------------------------------------------------------------------------- 1 | [Oo]bj/ 2 | [Bb]in/ 3 | _ReSharper* 4 | /TestResults 5 | *.suo 6 | *.user 7 | *.nupkg 8 | *.cs_ 9 | *.vsp 10 | *.psess 11 | StyleCopViolations.xml 12 | StyleCop.Cache 13 | .vs/* -------------------------------------------------------------------------------- /DbExpressions.Tests/App.config: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 |
5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /DbExpressions.Tests/DbExpressions.Tests.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | Debug 5 | AnyCPU 6 | 7 | 8 | 2.0 9 | {F53DA910-FC47-4909-81EC-643E8BA9D51E} 10 | Library 11 | Properties 12 | DbExpressions.Tests 13 | DbExpressions.Tests 14 | v4.0 15 | 512 16 | {3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | true 28 | full 29 | false 30 | bin\Debug\ 31 | DEBUG;TRACE 32 | prompt 33 | 4 34 | 35 | 36 | pdbonly 37 | true 38 | bin\Release\ 39 | TRACE 40 | prompt 41 | 4 42 | 43 | 44 | 45 | 46 | 47 | 3.5 48 | 49 | 50 | 51 | 52 | 53 | False 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | {EFB8519C-78AA-48CC-AF0B-7AFE126BE9A1} 69 | DbExpressions 70 | 71 | 72 | 73 | 74 | 75 | 76 | 83 | -------------------------------------------------------------------------------- /DbExpressions.Tests/DbExpressions.Tests.csproj.vspscc: -------------------------------------------------------------------------------- 1 | "" 2 | { 3 | "FILE_VERSION" = "9237" 4 | "ENLISTMENT_CHOICE" = "NEVER" 5 | "PROJECT_FILE_RELATIVE_PATH" = "" 6 | "NUMBER_OF_EXCLUDED_FILES" = "0" 7 | "ORIGINAL_PROJECT_FILE_PATH" = "" 8 | "NUMBER_OF_NESTED_PROJECTS" = "0" 9 | "SOURCE_CONTROL_SETTINGS_PROVIDER" = "PROVIDER" 10 | } 11 | -------------------------------------------------------------------------------- /DbExpressions.Tests/MySqlExpressionSyntaxTests.cs: -------------------------------------------------------------------------------- 1 | using Microsoft.VisualStudio.TestTools.UnitTesting; 2 | 3 | namespace DbExpressions.Tests 4 | { 5 | //[TestClass] 6 | public class MySqlExpressionSyntaxTests : DbExpressionSyntaxTests 7 | { 8 | protected override DbQueryTranslator QueryTranslator 9 | { 10 | get { return DbQueryTranslatorFactory.GetQueryTranslator("MySql.Data.MySqlClient"); } 11 | } 12 | 13 | public override string AndExpressionSyntax 14 | { 15 | get { return "(?p0 AND ?p1)"; } 16 | } 17 | 18 | public override string AddExpressionSyntax 19 | { 20 | get { return "(?p0 + ?p1)"; } 21 | } 22 | 23 | public override string AliasExpressionSyntax 24 | { 25 | get { return "`SomeTable` AS t0"; } 26 | } 27 | 28 | public override string AssignExpressionSyntax 29 | { 30 | get { return "`SomeColumn` = ?p0"; } 31 | } 32 | 33 | public override string AssignNullExpressionSyntax 34 | { 35 | get { return "`SomeColumn` = NULL"; } 36 | } 37 | 38 | public override string AvgExpressionSyntax 39 | { 40 | get { return "AVG(`SomeColumn`)"; } 41 | } 42 | 43 | public override string ColumnExpressionSyntax 44 | { 45 | get { return "`SomeColumn`"; } 46 | } 47 | 48 | public override string ConcatExpressionSyntax 49 | { 50 | get { return "`SomeTable` `SomeOtherTable`"; } 51 | } 52 | 53 | public override string ConditionalExpressionSyntax 54 | { 55 | get { return "CASE WHEN (`SomeColumn` = ?p0) THEN ?p1 ELSE ?p2 END"; } 56 | } 57 | 58 | public override string ConstantExpressionSyntax 59 | { 60 | get { return "?p0"; } 61 | } 62 | 63 | public override string CountExpressionSyntax 64 | { 65 | get { return "COUNT(`SomeColumn`)"; } 66 | } 67 | 68 | public override string DivideExpressionSyntax 69 | { 70 | get { return "(?p0 / ?p1)"; } 71 | } 72 | 73 | public override string EqualExpressionSyntax 74 | { 75 | get { return "(`SomeColumn` = ?p0)"; } 76 | } 77 | 78 | public override string ExistsExpressionSyntax 79 | { 80 | get { return "EXISTS(SELECT `SomeColumn` FROM `SomeTable`)"; } 81 | } 82 | 83 | public override string GreaterThanExpressionSyntax 84 | { 85 | get { return "(`SomeColumn` > ?p0)"; } 86 | } 87 | 88 | public override string GreaterThanOrEqualExpressionSyntax 89 | { 90 | get { return "(`SomeColumn` >= ?p0)"; } 91 | } 92 | 93 | public override string InValueRangeExpressionSyntax 94 | { 95 | get { return "`SomeColumn` IN(?p0,?p1)"; } 96 | } 97 | 98 | public override string InSubQueryExpressionSyntax 99 | { 100 | get { return "`SomeColumn` IN(SELECT `SomeOtherColumn` FROM `SomeOtherTable`)"; } 101 | } 102 | 103 | public override string InnerJoinExpressionSyntax 104 | { 105 | get { return "INNER JOIN `SomeTable` ON (`SomeColumn` = `SomeOtherColumn`)"; } 106 | } 107 | 108 | public override string LeftOuterJoinExpressionSyntax 109 | { 110 | get { return "LEFT OUTER JOIN `SomeTable` ON (`SomeColumn` = `SomeOtherColumn`)"; } 111 | } 112 | 113 | public override string RightOuterJoinExpressionSyntax 114 | { 115 | get { return "RIGHT OUTER JOIN `SomeTable` ON (`SomeColumn` = `SomeOtherColumn`)"; } 116 | } 117 | 118 | public override string LengthExpressionSyntax 119 | { 120 | get { return "LENGTH(`SomeColumn`)"; } 121 | } 122 | 123 | public override string LessThanExpressionSyntax 124 | { 125 | get { return "(`SomeColumn` < ?p0)"; } 126 | } 127 | 128 | public override string LessThanOrEqualExpressionSyntax 129 | { 130 | get { return "(`SomeColumn` <= ?p0)"; } 131 | } 132 | 133 | public override string ListExpressionSyntax 134 | { 135 | get { return "`SomeColumn`,`SomeOtherColumn`"; } 136 | } 137 | 138 | public override string BatchExpressionSyntax 139 | { 140 | get { return "`SomeColumn`;`SomeOtherColumn`;"; } 141 | } 142 | 143 | public override string MaxExpressionSyntax 144 | { 145 | get { return "MAX(`SomeColumn`)"; } 146 | } 147 | 148 | public override string MinExpressionSyntax 149 | { 150 | get { return "MIN(`SomeColumn`)"; } 151 | } 152 | 153 | public override string MultiplyExpressionSyntax 154 | { 155 | get { return "(?p0 * ?p1)"; } 156 | } 157 | 158 | public override string SubstractExpressionSyntax 159 | { 160 | get { return "(?p0 - ?p1)"; } 161 | } 162 | 163 | public override string NotExpressionSyntax 164 | { 165 | get { return "NOT (`SomeColumn` = ?p0)"; } 166 | } 167 | 168 | public override string DistinctExpressionSyntax 169 | { 170 | get { return "SELECT DISTINCT `SomeColumn`"; } 171 | } 172 | 173 | public override string DistinctWithTopExpressionSyntax 174 | { 175 | get { return "SELECT DISTINCT `SomeColumn` LIMIT ?p0"; } 176 | } 177 | 178 | public override string NotEqualExpressionSyntax 179 | { 180 | get { return "(`SomeColumn` <> ?p0)"; } 181 | } 182 | 183 | public override string OrExpressionSyntax 184 | { 185 | get { return "(?p0 OR ?p1)"; } 186 | } 187 | 188 | 189 | public override string OrderByAscendingExpressionSyntax 190 | { 191 | get { return "`SomeColumn` ASC"; } 192 | } 193 | 194 | public override string OrderByDescendingExpressionSyntax 195 | { 196 | get { return "`SomeColumn` DESC"; } 197 | } 198 | 199 | public override string PrefixExpressionSyntax 200 | { 201 | get { return "`t0`.`SomeColumn`"; } 202 | } 203 | 204 | public override string ReplaceExpressionSyntax 205 | { 206 | get { return "REPLACE(`SomeColumn`,?p0,?p1)"; } 207 | } 208 | 209 | public override string ReverseExpressionSyntax 210 | { 211 | get { return "REVERSE(`SomeColumn`)"; } 212 | } 213 | 214 | public override string SoundExExpressionSyntax 215 | { 216 | get { return "SOUNDEX(`SomeColumn`)"; } 217 | } 218 | 219 | public override string SumExpressionSyntax 220 | { 221 | get { return "SUM(`SomeColumn`)"; } 222 | } 223 | 224 | public override string TableExpressionSyntax 225 | { 226 | get { return "`SomeTable`"; } 227 | } 228 | 229 | public override string ToLowerExpressionSyntax 230 | { 231 | get { return "LOWER(`SomeColumn`)"; } 232 | } 233 | 234 | public override string ToUpperExpressionSyntax 235 | { 236 | get { return "UPPER(`SomeColumn`)"; } 237 | } 238 | 239 | public override string TrimExpressionSyntax 240 | { 241 | get { return "TRIM(`SomeColumn`)"; } 242 | } 243 | 244 | public override string TrimStartExpressionSyntax 245 | { 246 | get { return "LTRIM(`SomeColumn`)"; } 247 | } 248 | 249 | public override string TrimEndExpressionSyntax 250 | { 251 | get { return "RTRIM(`SomeColumn`)"; } 252 | } 253 | 254 | public override string SubStringExpressionSyntax 255 | { 256 | get { return "SUBSTRING(`SomeColumn`,?p0,?p1)"; } 257 | } 258 | 259 | public override string DateExpressionSyntax 260 | { 261 | get { return "DATE(`SomeColumn`)"; } 262 | } 263 | 264 | public override string YearExpressionSyntax 265 | { 266 | get { return "EXTRACT(YEAR FROM `SomeColumn`)"; } 267 | } 268 | 269 | public override string MonthExpressionSyntax 270 | { 271 | get { return "EXTRACT(MONTH FROM `SomeColumn`)"; } 272 | } 273 | 274 | public override string HourExpressionSyntax 275 | { 276 | get { return "EXTRACT(HOUR FROM `SomeColumn`)"; } 277 | } 278 | 279 | public override string MinuteExpressionSyntax 280 | { 281 | get { return "EXTRACT(MINUTE FROM `SomeColumn`)"; } 282 | } 283 | 284 | public override string SecondExpressionSyntax 285 | { 286 | get { return "EXTRACT(SECOND FROM `SomeColumn`)"; } 287 | } 288 | 289 | public override string MillisecondExpressionSyntax 290 | { 291 | get { return "(EXTRACT(MICROSECOND FROM `SomeColumn`) DIV 1000)"; } 292 | } 293 | 294 | public override string DayOfYearExpressionSyntax 295 | { 296 | get { return "DAYOFYEAR(`SomeColumn`)"; } 297 | } 298 | 299 | public override string DayOfMonthExpressionSyntax 300 | { 301 | get { return "EXTRACT(DAY FROM `SomeColumn`)"; } 302 | } 303 | 304 | public override string DayOfWeekExpressionSyntax 305 | { 306 | get { return "WEEKDAY(`SomeColumn`)"; } 307 | } 308 | 309 | public override string AddYearsExpressionSyntax 310 | { 311 | get { return "DATE_ADD(`SomeColumn`, INTERVAL ?p0 YEAR)"; } 312 | } 313 | 314 | public override string AddMonthsExpressionSyntax 315 | { 316 | get { return "DATE_ADD(`SomeColumn`, INTERVAL ?p0 MONTH)"; } 317 | } 318 | 319 | public override string AddDaysExpressionSyntax 320 | { 321 | get { return "DATE_ADD(`SomeColumn`, INTERVAL ?p0 DAY)"; } 322 | } 323 | 324 | public override string AddHoursExpressionSyntax 325 | { 326 | get { return "DATE_ADD(`SomeColumn`, INTERVAL ?p0 HOUR)"; } 327 | } 328 | 329 | public override string AddMinutesExpressionSyntax 330 | { 331 | get { return "DATE_ADD(`SomeColumn`, INTERVAL ?p0 MINUTE)"; } 332 | } 333 | 334 | public override string AddSecondsExpressionSyntax 335 | { 336 | get { return "DATE_ADD(`SomeColumn`, INTERVAL ?p0 SECOND)"; } 337 | } 338 | 339 | public override string AddMilliSecondsExpressionSyntax 340 | { 341 | get { return "DATE_ADD(`SomeColumn`, INTERVAL ?p0 * 1000 MICROSECOND)"; } 342 | } 343 | 344 | public override string NowExpressionSyntax 345 | { 346 | get { return "CURRENT_TIMESTAMP()"; } 347 | } 348 | 349 | public override string ToDayExpressionSyntax 350 | { 351 | get { return "CURRENT_DATE()"; } 352 | } 353 | 354 | public override string UpdateExpressionSyntax 355 | { 356 | get { return "UPDATE `SomeTable` SET `SomeColumn` = ?p0 WHERE (`SomeColumn` = ?p1)"; } 357 | } 358 | 359 | public override string UpdateExpressionWithAliasedTargetSyntax 360 | { 361 | get { return "UPDATE `SomeTable` AS t0 SET `SomeColumn` = ?p0 WHERE (`SomeColumn` = ?p1)"; } 362 | } 363 | 364 | public override string UpdateExpressionWithFromClauseSyntax 365 | { 366 | get { return "UPDATE `SomeTable` AS t0 INNER JOIN `SomeOtherTable` AS t1 ON (`t0`.`Id` = `t1`.`Id`) SET `SomeColumn` = ?p0 WHERE (`t0`.`SomeColumn` = ?p1)"; } 367 | } 368 | 369 | 370 | public override string InsertExpressionSyntax 371 | { 372 | get { return "INSERT INTO `SomeTable` (`SomeColumn`) VALUES(?p0)"; } 373 | } 374 | 375 | public override string DeleteExpressionSyntax 376 | { 377 | get { return "DELETE FROM `SomeTable` WHERE (`SomeColumn` = ?p0)"; } 378 | } 379 | 380 | public override string DeleteExpressionWithAliasedTargetSyntax 381 | { 382 | get { return "DELETE t0 FROM `SomeTable` AS t0 WHERE (`t0`.`SomeColumn` = ?p0)"; } 383 | } 384 | 385 | public override string SelectExpressionSyntax 386 | { 387 | get { return "SELECT `SomeColumn` FROM `SomeTable`"; } 388 | } 389 | 390 | public override string SelectExpressionWithTakeSyntax 391 | { 392 | get { return "SELECT `SomeColumn` FROM `SomeTable` LIMIT ?p0"; } 393 | } 394 | 395 | public override string SelectExpressionWithSkipSyntax 396 | { 397 | get { return "SELECT `SomeColumn` FROM `SomeTable` LIMIT ?p0 OFFSET 18446744073709551615"; } 398 | } 399 | 400 | public override string SelectExpressionWithSkipAndTakeSyntax 401 | { 402 | get { return "SELECT `SomeColumn` FROM `SomeTable` LIMIT ?p0 OFFSET ?p1"; } 403 | } 404 | 405 | public override string SelectExpressionWithOrderBySyntax 406 | { 407 | get { return "SELECT `SomeColumn` FROM `SomeTable` ORDER BY `SomeColumn` ASC"; } 408 | } 409 | 410 | public override string SelectExpressionWithGroupBySyntax 411 | { 412 | get { return "SELECT `SomeColumn` FROM `SomeTable` GROUP BY `SomeColumn`"; } 413 | } 414 | 415 | public override string SelectExpressionWithGroupByHavingSyntax 416 | { 417 | get { return "SELECT `SomeColumn` FROM `SomeTable` GROUP BY `SomeColumn` HAVING (`SomeColumn` > ?p0)"; } 418 | } 419 | 420 | public override string AbsExpressionSyntax 421 | { 422 | get { return "ABS(`SomeColumn`)"; } 423 | } 424 | 425 | public override string AcosExpressionSyntax 426 | { 427 | get { return "ACOS(`SomeColumn`)"; } 428 | } 429 | 430 | public override string AsinExpressionSyntax 431 | { 432 | get { return "ASIN(`SomeColumn`)"; } 433 | } 434 | 435 | public override string AtanExpressionSyntax 436 | { 437 | get { return "ATAN(`SomeColumn`)"; } 438 | } 439 | 440 | public override string Atan2ExpressionSyntax 441 | { 442 | get { return "ATAN2(`SomeColumn`)"; } 443 | } 444 | 445 | public override string CeilingExpressionSyntax 446 | { 447 | get { return "CEILING(`SomeColumn`)"; } 448 | } 449 | 450 | public override string CosExpressionSyntax 451 | { 452 | get { return "COS(`SomeColumn`)"; } 453 | } 454 | 455 | public override string CotExpressionSyntax 456 | { 457 | get { return "COT(`SomeColumn`)"; } 458 | } 459 | 460 | public override string DegressExpressionSyntax 461 | { 462 | get { return "DEGREES(`SomeColumn`)"; } 463 | } 464 | 465 | public override string ExpExpressionSyntax 466 | { 467 | get { return "EXP(`SomeColumn`)"; } 468 | } 469 | 470 | public override string FloorExpressionSyntax 471 | { 472 | get { return "FLOOR(`SomeColumn`)"; } 473 | } 474 | 475 | public override string LogExpressionSyntax 476 | { 477 | get { return "LOG(`SomeColumn`)"; } 478 | } 479 | 480 | public override string Log10ExpressionSyntax 481 | { 482 | get { return "LOG10(`SomeColumn`)"; } 483 | } 484 | 485 | public override string PIExpressionSyntax 486 | { 487 | get { return "PI()"; } 488 | } 489 | 490 | public override string PowerExpressionSyntax 491 | { 492 | get { return "POWER(`SomeColumn`,?p0)"; } 493 | } 494 | 495 | public override string RadiansExpressionSyntax 496 | { 497 | get { return "RADIANS(`SomeColumn`)"; } 498 | } 499 | 500 | public override string RandExpressionSyntax 501 | { 502 | get { return "RAND()"; } 503 | } 504 | 505 | public override string RandWithSeedExpressionSyntax 506 | { 507 | get { return "RAND(?p0)"; } 508 | } 509 | 510 | public override string RoundExpressionSyntax 511 | { 512 | get { return "ROUND(`SomeColumn`,?p0)"; } 513 | } 514 | 515 | public override string SignExpressionSyntax 516 | { 517 | get { return "SIGN(`SomeColumn`)"; } 518 | } 519 | 520 | public override string SinExpressionSyntax 521 | { 522 | get { return "SIN(`SomeColumn`)"; } 523 | } 524 | 525 | public override string SqrtExpressionSyntax 526 | { 527 | get { return "SQRT(`SomeColumn`)"; } 528 | } 529 | 530 | public override string SquareExpressionSyntax 531 | { 532 | get { return "POWER(`SomeColumn`,?p0)"; } 533 | } 534 | 535 | public override string TanExpressionSyntax 536 | { 537 | get { return "TAN(`SomeColumn`)"; } 538 | } 539 | 540 | public override string NullCheckEqualsExpressionSyntax 541 | { 542 | get { return "(`SomeColumn` IS NULL)"; } 543 | } 544 | 545 | public override string NullCheckNotEqualsExpressionSyntax 546 | { 547 | get { return "(`SomeColumn` IS NOT NULL)"; } 548 | } 549 | } 550 | } 551 | -------------------------------------------------------------------------------- /DbExpressions.Tests/OracleExpressionSyntaxTests.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Text; 3 | using System.Collections.Generic; 4 | using System.Linq; 5 | using Microsoft.VisualStudio.TestTools.UnitTesting; 6 | 7 | namespace DbExpressions.Tests 8 | { 9 | [TestClass] 10 | public class OracleExpressionSyntaxTests : DbExpressionSyntaxTests 11 | { 12 | 13 | 14 | protected override DbQueryTranslator QueryTranslator 15 | { 16 | get { return DbQueryTranslatorFactory.GetQueryTranslator("Oracle.DataAccess.Client"); } 17 | } 18 | 19 | public override string AndExpressionSyntax 20 | { 21 | get { throw new NotImplementedException(); } 22 | } 23 | 24 | public override string AddExpressionSyntax 25 | { 26 | get { return "(:?p0 + :?p1)"; } 27 | } 28 | 29 | public override string AliasExpressionSyntax 30 | { 31 | get { throw new NotImplementedException(); } 32 | } 33 | 34 | public override string AssignExpressionSyntax 35 | { 36 | get { throw new NotImplementedException(); } 37 | } 38 | 39 | public override string AssignNullExpressionSyntax 40 | { 41 | get { return "\"SomeColumn\" = NULL"; } 42 | } 43 | 44 | public override string AvgExpressionSyntax 45 | { 46 | get { return "AVG(\"SomeColumn\")"; } 47 | } 48 | 49 | public override string ColumnExpressionSyntax 50 | { 51 | get { return "\"SomeColumn\""; } 52 | } 53 | 54 | public override string ConcatExpressionSyntax 55 | { 56 | get { return "\"SomeTable\" \"SomeOtherTable\""; } 57 | } 58 | 59 | public override string ConditionalExpressionSyntax 60 | { 61 | get { throw new NotImplementedException(); } 62 | } 63 | 64 | public override string ConstantExpressionSyntax 65 | { 66 | get { throw new NotImplementedException(); } 67 | } 68 | 69 | public override string CountExpressionSyntax 70 | { 71 | get { return "COUNT(\"SomeColumn\")"; } 72 | } 73 | 74 | public override string DivideExpressionSyntax 75 | { 76 | get { throw new NotImplementedException(); } 77 | } 78 | 79 | public override string EqualExpressionSyntax 80 | { 81 | get { return "(\"SomeColumn\" = :?p0)"; } 82 | } 83 | 84 | public override string ExistsExpressionSyntax 85 | { 86 | get { throw new NotImplementedException(); } 87 | } 88 | 89 | public override string GreaterThanExpressionSyntax 90 | { 91 | get { return "(\"SomeColumn\" > :?p0)"; } 92 | } 93 | 94 | public override string GreaterThanOrEqualExpressionSyntax 95 | { 96 | get { throw new NotImplementedException(); } 97 | } 98 | 99 | public override string InValueRangeExpressionSyntax 100 | { 101 | get { return "\"SomeColumn\" IN(:?p0,:?p1)"; } 102 | } 103 | 104 | public override string InSubQueryExpressionSyntax 105 | { 106 | get { return "\"SomeColumn\" IN(SELECT \"SomeOtherColumn\" FROM \"SomeOtherTable\")"; } 107 | } 108 | 109 | public override string InnerJoinExpressionSyntax 110 | { 111 | get { return "INNER JOIN \"SomeTable\" ON (\"SomeColumn\" = \"SomeOtherColumn\")"; } 112 | } 113 | 114 | public override string LeftOuterJoinExpressionSyntax 115 | { 116 | get { return "LEFT OUTER JOIN \"SomeTable\" ON (\"SomeColumn\" = \"SomeOtherColumn\")"; } 117 | } 118 | 119 | public override string RightOuterJoinExpressionSyntax 120 | { 121 | get { throw new NotImplementedException(); } 122 | } 123 | 124 | public override string LengthExpressionSyntax 125 | { 126 | get { return "LENGTH(\"SomeColumn\")"; } 127 | } 128 | 129 | public override string LessThanExpressionSyntax 130 | { 131 | get { return "(\"SomeColumn\" < :?p0)"; } 132 | } 133 | 134 | public override string LessThanOrEqualExpressionSyntax 135 | { 136 | get { throw new NotImplementedException(); } 137 | } 138 | 139 | public override string ListExpressionSyntax 140 | { 141 | get { return "\"SomeColumn\",\"SomeOtherColumn\""; } 142 | } 143 | 144 | public override string BatchExpressionSyntax 145 | { 146 | get { return "begin \"SomeColumn\";\"SomeOtherColumn\"; end;"; } 147 | } 148 | 149 | public override string MaxExpressionSyntax 150 | { 151 | get { return "MAX(\"SomeColumn\")"; } 152 | } 153 | 154 | public override string MinExpressionSyntax 155 | { 156 | get { return "MIN(\"SomeColumn\")"; } 157 | } 158 | 159 | public override string MultiplyExpressionSyntax 160 | { 161 | get { throw new NotImplementedException(); } 162 | } 163 | 164 | public override string SubstractExpressionSyntax 165 | { 166 | get { return "(:?p0 - :?p1)"; } 167 | } 168 | 169 | public override string NotExpressionSyntax 170 | { 171 | get { return "NOT (\"SomeColumn\" = :?p0)"; } 172 | } 173 | 174 | public override string DistinctExpressionSyntax 175 | { 176 | get { return "SELECT DISTINCT \"SomeColumn\""; } 177 | } 178 | 179 | public override string DistinctWithTopExpressionSyntax 180 | { 181 | get { return "SELECT DISTINCT \"SomeColumn\" WHERE ROWNUM <= :?p0"; } 182 | } 183 | 184 | public override string NotEqualExpressionSyntax 185 | { 186 | get { throw new NotImplementedException(); } 187 | } 188 | 189 | public override string OrExpressionSyntax 190 | { 191 | get { return "(:?p0 OR :?p1)"; } 192 | } 193 | 194 | public override string OrderByAscendingExpressionSyntax 195 | { 196 | get { return "\"SomeColumn\" ASC"; } 197 | } 198 | 199 | public override string OrderByDescendingExpressionSyntax 200 | { 201 | get { throw new NotImplementedException(); } 202 | } 203 | 204 | public override string PrefixExpressionSyntax 205 | { 206 | get { return "\"t0\".\"SomeColumn\""; } 207 | } 208 | 209 | public override string ReplaceExpressionSyntax 210 | { 211 | get { return "REPLACE(\"SomeColumn\",:?p0,:?p1)"; } 212 | } 213 | 214 | public override string ReverseExpressionSyntax 215 | { 216 | get { throw new NotImplementedException(); } 217 | } 218 | 219 | public override string SoundExExpressionSyntax 220 | { 221 | get { throw new NotImplementedException(); } 222 | } 223 | 224 | public override string SumExpressionSyntax 225 | { 226 | get { return "SUM(\"SomeColumn\")"; } 227 | } 228 | 229 | public override string TableExpressionSyntax 230 | { 231 | get { throw new NotImplementedException(); } 232 | } 233 | 234 | public override string ToLowerExpressionSyntax 235 | { 236 | get { throw new NotImplementedException(); } 237 | } 238 | 239 | public override string ToUpperExpressionSyntax 240 | { 241 | get { throw new NotImplementedException(); } 242 | } 243 | 244 | public override string TrimExpressionSyntax 245 | { 246 | get { return "TRIM(\"SomeColumn\")"; } 247 | } 248 | 249 | public override string TrimStartExpressionSyntax 250 | { 251 | get { return "LTRIM(\"SomeColumn\")"; } 252 | } 253 | 254 | public override string TrimEndExpressionSyntax 255 | { 256 | get { return "RTRIM(\"SomeColumn\")"; } 257 | } 258 | 259 | public override string SubStringExpressionSyntax 260 | { 261 | get { return "SUBSTR(\"SomeColumn\",:?p0,:?p1)"; } 262 | } 263 | 264 | public override string DateExpressionSyntax 265 | { 266 | get { return "TRUNC(\"SomeColumn\")"; } 267 | } 268 | 269 | public override string YearExpressionSyntax 270 | { 271 | get { return "EXTRACT(YEAR FROM \"SomeColumn\")"; } 272 | } 273 | 274 | public override string MonthExpressionSyntax 275 | { 276 | get { throw new NotImplementedException(); } 277 | } 278 | 279 | public override string HourExpressionSyntax 280 | { 281 | get { throw new NotImplementedException(); } 282 | } 283 | 284 | public override string MinuteExpressionSyntax 285 | { 286 | get { return "EXTRACT(MINUTE FROM \"SomeColumn\")"; } 287 | } 288 | 289 | public override string SecondExpressionSyntax 290 | { 291 | get { return "ROUND(EXTRACT(SECOND FROM \"SomeColumn\"))"; } 292 | } 293 | 294 | public override string MillisecondExpressionSyntax 295 | { 296 | get { return "TO_CHAR(\"SomeColumn\",'FF3')"; } 297 | } 298 | 299 | public override string DayOfYearExpressionSyntax 300 | { 301 | get { throw new NotImplementedException(); } 302 | } 303 | 304 | public override string DayOfMonthExpressionSyntax 305 | { 306 | get { return "EXTRACT(DAY FROM \"SomeColumn\")"; } 307 | } 308 | 309 | public override string DayOfWeekExpressionSyntax 310 | { 311 | get { return "TO_CHAR(\"SomeColumn\" ,'D')"; } 312 | } 313 | 314 | public override string AddYearsExpressionSyntax 315 | { 316 | get { throw new NotImplementedException(); } 317 | } 318 | 319 | public override string AddMonthsExpressionSyntax 320 | { 321 | get { throw new NotImplementedException(); } 322 | } 323 | 324 | public override string AddDaysExpressionSyntax 325 | { 326 | get { return "\"SomeColumn\" + :?p0"; } 327 | } 328 | 329 | public override string AddHoursExpressionSyntax 330 | { 331 | get { return "\"SomeColumn\" + (:?p0/24)"; } 332 | } 333 | 334 | public override string AddMinutesExpressionSyntax 335 | { 336 | get { throw new NotImplementedException(); } 337 | } 338 | 339 | public override string AddSecondsExpressionSyntax 340 | { 341 | get { throw new NotImplementedException(); } 342 | } 343 | 344 | public override string AddMilliSecondsExpressionSyntax 345 | { 346 | get { return "\"SomeColumn\" + NUMTODSINTERVAL(:?p0 / 1000, 'SECOND')"; } 347 | } 348 | 349 | public override string NowExpressionSyntax 350 | { 351 | get { throw new NotImplementedException(); } 352 | } 353 | 354 | public override string ToDayExpressionSyntax 355 | { 356 | get { return "TRUNC(CURRENT_DATE)"; } 357 | } 358 | 359 | public override string UpdateExpressionSyntax 360 | { 361 | get { return "UPDATE \"SomeTable\" SET \"SomeColumn\" = :?p0 WHERE (\"SomeColumn\" = :?p1)"; } 362 | } 363 | 364 | public override string UpdateExpressionWithAliasedTargetSyntax 365 | { 366 | get { return "UPDATE \"SomeTable\" t0 SET \"SomeColumn\" = :?p0 WHERE (\"SomeColumn\" = :?p1)"; } 367 | } 368 | 369 | public override string UpdateExpressionWithFromClauseSyntax 370 | { 371 | get { return "UPDATE \"SomeTable\" t0 INNER JOIN \"SomeOtherTable\" t1 ON (\"t0\".\"Id\" = \"t1\".\"Id\") SET \"SomeColumn\" = :?p0 WHERE (\"t0\".\"SomeColumn\" = :?p1)"; } 372 | } 373 | 374 | public override string InsertExpressionSyntax 375 | { 376 | get { return "INSERT INTO \"SomeTable\" (\"SomeColumn\") VALUES(:?p0)"; } 377 | } 378 | 379 | public override string DeleteExpressionSyntax 380 | { 381 | get { throw new NotImplementedException(); } 382 | } 383 | 384 | public override string DeleteExpressionWithAliasedTargetSyntax 385 | { 386 | get { return "DELETE FROM \"SomeTable\" t0 WHERE (\"t0\".\"SomeColumn\" = :?p0)"; } 387 | } 388 | 389 | public override string SelectExpressionSyntax 390 | { 391 | get { return "SELECT \"SomeColumn\" FROM \"SomeTable\""; } 392 | } 393 | 394 | public override string SelectExpressionWithTakeSyntax 395 | { 396 | get { return "SELECT \"SomeColumn\" FROM \"SomeTable\" WHERE ROWNUM <= :?p0"; } 397 | } 398 | 399 | public override string SelectExpressionWithSkipSyntax 400 | { 401 | get { return "SELECT \"SomeColumn\" FROM \"SomeTable\" WHERE ROWNUM > :?p0"; } 402 | } 403 | 404 | public override string SelectExpressionWithSkipAndTakeSyntax 405 | { 406 | get { throw new NotImplementedException(); } 407 | } 408 | 409 | public override string SelectExpressionWithOrderBySyntax 410 | { 411 | get { throw new NotImplementedException(); } 412 | } 413 | 414 | public override string SelectExpressionWithGroupBySyntax 415 | { 416 | get { throw new NotImplementedException(); } 417 | } 418 | 419 | public override string SelectExpressionWithGroupByHavingSyntax 420 | { 421 | get { return "SELECT \"SomeColumn\" FROM \"SomeTable\" GROUP BY \"SomeColumn\" HAVING (\"SomeColumn\" > :?p0)"; } 422 | } 423 | 424 | public override string AbsExpressionSyntax 425 | { 426 | get { return "ABS(\"SomeColumn\")"; } 427 | } 428 | 429 | public override string AcosExpressionSyntax 430 | { 431 | get { throw new NotImplementedException(); } 432 | } 433 | 434 | public override string AsinExpressionSyntax 435 | { 436 | get { return "ASIN(\"SomeColumn\")"; } 437 | } 438 | 439 | public override string AtanExpressionSyntax 440 | { 441 | get { return "ATAN(\"SomeColumn\")"; } 442 | } 443 | 444 | public override string Atan2ExpressionSyntax 445 | { 446 | get { return "ATAN2(\"SomeColumn\",:?p0)"; } 447 | } 448 | 449 | public override string CeilingExpressionSyntax 450 | { 451 | get { return "CEIL(\"SomeColumn\")"; } 452 | } 453 | 454 | public override string CosExpressionSyntax 455 | { 456 | get { return "COS(\"SomeColumn\")"; } 457 | } 458 | 459 | public override string CotExpressionSyntax 460 | { 461 | get { return "COSH(\"SomeColumn\")"; } 462 | } 463 | 464 | public override string DegressExpressionSyntax 465 | { 466 | get { throw new NotImplementedException(); } 467 | } 468 | 469 | public override string ExpExpressionSyntax 470 | { 471 | get { throw new NotImplementedException(); } 472 | } 473 | 474 | public override string FloorExpressionSyntax 475 | { 476 | get { throw new NotImplementedException(); } 477 | } 478 | 479 | public override string LogExpressionSyntax 480 | { 481 | get { throw new NotImplementedException(); } 482 | } 483 | 484 | public override string Log10ExpressionSyntax 485 | { 486 | get { return "LOG(10,\"SomeColumn\")"; } 487 | } 488 | 489 | public override string PIExpressionSyntax 490 | { 491 | get { return "ACOS(-1)"; } 492 | } 493 | 494 | public override string PowerExpressionSyntax 495 | { 496 | get { return "POWER(\"SomeColumn\",:?p0)"; } 497 | } 498 | 499 | public override string RadiansExpressionSyntax 500 | { 501 | get { throw new NotImplementedException(); } 502 | } 503 | 504 | public override string RandExpressionSyntax 505 | { 506 | get { return "dbms_random.value"; } 507 | } 508 | 509 | public override string RandWithSeedExpressionSyntax 510 | { 511 | get { throw new NotImplementedException(); } 512 | } 513 | 514 | public override string RoundExpressionSyntax 515 | { 516 | get { return "ROUND(\"SomeColumn\",:?p0)"; } 517 | } 518 | 519 | public override string SignExpressionSyntax 520 | { 521 | get { throw new NotImplementedException(); } 522 | } 523 | 524 | public override string SinExpressionSyntax 525 | { 526 | get { return "SIN(\"SomeColumn\")"; } 527 | } 528 | 529 | public override string SqrtExpressionSyntax 530 | { 531 | get { return "SQRT(\"SomeColumn\")"; } 532 | } 533 | 534 | public override string SquareExpressionSyntax 535 | { 536 | get { return "POWER(\"SomeColumn\",:?p0)"; } 537 | } 538 | 539 | public override string TanExpressionSyntax 540 | { 541 | get { throw new NotImplementedException(); } 542 | } 543 | 544 | public override string NullCheckEqualsExpressionSyntax 545 | { 546 | get { return "(\"SomeColumn\" IS NULL)"; } 547 | } 548 | 549 | public override string NullCheckNotEqualsExpressionSyntax 550 | { 551 | get { return "(\"SomeColumn\" IS NOT NULL)"; } 552 | } 553 | } 554 | } 555 | -------------------------------------------------------------------------------- /DbExpressions.Tests/Properties/AssemblyInfo.cs: -------------------------------------------------------------------------------- 1 | using System.Reflection; 2 | using System.Runtime.CompilerServices; 3 | using System.Runtime.InteropServices; 4 | using System.Security; 5 | 6 | // General Information about an assembly is controlled through the following 7 | // set of attributes. Change these attribute values to modify the information 8 | // associated with an assembly. 9 | [assembly: AssemblyTitle("DbExpressions.Tests")] 10 | [assembly: AssemblyDescription("")] 11 | [assembly: AssemblyConfiguration("")] 12 | [assembly: AssemblyCompany("Microsoft")] 13 | [assembly: AssemblyProduct("DbExpressions.Tests")] 14 | [assembly: AssemblyCopyright("Copyright © Microsoft 2011")] 15 | [assembly: AssemblyTrademark("")] 16 | [assembly: AssemblyCulture("")] 17 | 18 | // Setting ComVisible to false makes the types in this assembly not visible 19 | // to COM components. If you need to access a type in this assembly from 20 | // COM, set the ComVisible attribute to true on that type. 21 | [assembly: ComVisible(false)] 22 | 23 | // The following GUID is for the ID of the typelib if this project is exposed to COM 24 | [assembly: Guid("49e0a954-8ce6-4a67-bd3b-3658116ee6b1")] 25 | 26 | // Version information for an assembly consists of the following four values: 27 | // 28 | // Major Version 29 | // Minor Version 30 | // Build Number 31 | // Revision 32 | // 33 | // You can specify all the values or you can default the Build and Revision Numbers 34 | // by using the '*' as shown below: 35 | [assembly: AssemblyVersion("1.0.0.0")] 36 | [assembly: AssemblyFileVersion("1.0.0.0")] 37 | -------------------------------------------------------------------------------- /DbExpressions.Tests/SQLiteExpressionSyntaxTests.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Text; 5 | using Microsoft.VisualStudio.TestTools.UnitTesting; 6 | 7 | namespace DbExpressions.Tests 8 | { 9 | //[TestClass] 10 | public class SQLiteExpressionSyntaxTests : DbExpressionSyntaxTests 11 | { 12 | protected override DbQueryTranslator QueryTranslator 13 | { 14 | get { return DbQueryTranslatorFactory.GetQueryTranslator("System.Data.SQLite"); } 15 | } 16 | 17 | public override string AndExpressionSyntax 18 | { 19 | get { return "(@p0 AND @p1)"; } 20 | } 21 | 22 | public override string AddExpressionSyntax 23 | { 24 | get { return "(@p0 + @p1)"; } 25 | } 26 | 27 | public override string AliasExpressionSyntax 28 | { 29 | get { return "[SomeTable] AS t0"; } 30 | } 31 | 32 | public override string AssignExpressionSyntax 33 | { 34 | get { return "[SomeColumn] = @p0"; } 35 | } 36 | 37 | public override string AssignNullExpressionSyntax 38 | { 39 | get { return "[SomeColumn] = NULL"; } 40 | } 41 | 42 | public override string AvgExpressionSyntax 43 | { 44 | get { return "AVG([SomeColumn])"; } 45 | } 46 | 47 | public override string ColumnExpressionSyntax 48 | { 49 | get { return "[SomeColumn]"; } 50 | } 51 | 52 | public override string ConcatExpressionSyntax 53 | { 54 | get { return "[SomeTable] [SomeOtherTable]"; } 55 | } 56 | 57 | public override string ConditionalExpressionSyntax 58 | { 59 | get { return "CASE WHEN ([SomeColumn] = @p0) THEN @p1 ELSE @p2 END"; } 60 | } 61 | 62 | public override string ConstantExpressionSyntax 63 | { 64 | get { return "@p0"; } 65 | } 66 | 67 | public override string CountExpressionSyntax 68 | { 69 | get { return "COUNT([SomeColumn])"; } 70 | } 71 | 72 | public override string DivideExpressionSyntax 73 | { 74 | get { return "(@p0 / @p1)"; } 75 | } 76 | 77 | public override string EqualExpressionSyntax 78 | { 79 | get { return "([SomeColumn] = @p0)"; } 80 | } 81 | 82 | public override string ExistsExpressionSyntax 83 | { 84 | get { return "EXISTS(SELECT [SomeColumn] FROM [SomeTable])"; } 85 | } 86 | 87 | public override string GreaterThanExpressionSyntax 88 | { 89 | get { return "([SomeColumn] > @p0)"; } 90 | } 91 | 92 | public override string GreaterThanOrEqualExpressionSyntax 93 | { 94 | get { return "([SomeColumn] >= @p0)"; } 95 | } 96 | 97 | public override string InValueRangeExpressionSyntax 98 | { 99 | get { return "[SomeColumn] IN(@p0,@p1)"; } 100 | } 101 | 102 | public override string InSubQueryExpressionSyntax 103 | { 104 | get { return "[SomeColumn] IN(SELECT [SomeOtherColumn] FROM [SomeOtherTable])"; } 105 | } 106 | 107 | public override string InnerJoinExpressionSyntax 108 | { 109 | get { return "INNER JOIN [SomeTable] ON ([SomeColumn] = [SomeOtherColumn])"; } 110 | } 111 | 112 | public override string LeftOuterJoinExpressionSyntax 113 | { 114 | get { return "LEFT OUTER JOIN [SomeTable] ON ([SomeColumn] = [SomeOtherColumn])"; } 115 | } 116 | 117 | public override string RightOuterJoinExpressionSyntax 118 | { 119 | get { return "N/A"; } 120 | } 121 | 122 | public override string LengthExpressionSyntax 123 | { 124 | get { return "LENGTH([SomeColumn])"; } 125 | } 126 | 127 | public override string LessThanExpressionSyntax 128 | { 129 | get { return "([SomeColumn] < @p0)"; } 130 | } 131 | 132 | public override string LessThanOrEqualExpressionSyntax 133 | { 134 | get { return "([SomeColumn] <= @p0)"; } 135 | } 136 | 137 | public override string ListExpressionSyntax 138 | { 139 | get { return "[SomeColumn],[SomeOtherColumn]"; } 140 | } 141 | 142 | public override string BatchExpressionSyntax 143 | { 144 | get { return "[SomeColumn];[SomeOtherColumn];"; } 145 | } 146 | 147 | public override string MaxExpressionSyntax 148 | { 149 | get { return "MAX([SomeColumn])"; } 150 | } 151 | 152 | public override string MinExpressionSyntax 153 | { 154 | get { return "MIN([SomeColumn])"; } 155 | } 156 | 157 | public override string MultiplyExpressionSyntax 158 | { 159 | get { return "(@p0 * @p1)"; } 160 | } 161 | 162 | public override string SubstractExpressionSyntax 163 | { 164 | get { return "(@p0 - @p1)"; } 165 | } 166 | 167 | public override string NotExpressionSyntax 168 | { 169 | get { return "NOT ([SomeColumn] = @p0)"; } 170 | } 171 | 172 | public override string DistinctExpressionSyntax 173 | { 174 | get { return "SELECT DISTINCT [SomeColumn]"; } 175 | } 176 | 177 | public override string DistinctWithTopExpressionSyntax 178 | { 179 | get { return "SELECT DISTINCT [SomeColumn] LIMIT @p0"; } 180 | } 181 | 182 | public override string NotEqualExpressionSyntax 183 | { 184 | get { return "([SomeColumn] <> @p0)"; } 185 | } 186 | 187 | public override string OrExpressionSyntax 188 | { 189 | get { return "(@p0 OR @p1)"; } 190 | } 191 | 192 | public override string OrderByAscendingExpressionSyntax 193 | { 194 | get { return "[SomeColumn] ASC"; } 195 | } 196 | 197 | public override string OrderByDescendingExpressionSyntax 198 | { 199 | get { return "[SomeColumn] DESC"; } 200 | } 201 | 202 | public override string PrefixExpressionSyntax 203 | { 204 | get { return "[t0].[SomeColumn]"; } 205 | } 206 | 207 | public override string ReplaceExpressionSyntax 208 | { 209 | get { return "REPLACE([SomeColumn],@p0,@p1)"; } 210 | } 211 | 212 | public override string ReverseExpressionSyntax 213 | { 214 | get { return "REVERSE([SomeColumn])"; } 215 | } 216 | 217 | public override string SoundExExpressionSyntax 218 | { 219 | get { return "SOUNDEX([SomeColumn])"; } 220 | } 221 | 222 | public override string SumExpressionSyntax 223 | { 224 | get { return "SUM([SomeColumn])"; } 225 | } 226 | 227 | public override string TableExpressionSyntax 228 | { 229 | get { return "[SomeTable]"; } 230 | } 231 | 232 | public override string ToLowerExpressionSyntax 233 | { 234 | get { return "LOWER([SomeColumn])"; } 235 | } 236 | 237 | public override string ToUpperExpressionSyntax 238 | { 239 | get { return "UPPER([SomeColumn])"; } 240 | } 241 | 242 | public override string TrimExpressionSyntax 243 | { 244 | get { return "TRIM([SomeColumn])"; } 245 | } 246 | 247 | public override string TrimStartExpressionSyntax 248 | { 249 | get { return "LTRIM([SomeColumn])"; } 250 | } 251 | 252 | public override string TrimEndExpressionSyntax 253 | { 254 | get { return "RTRIM([SomeColumn])"; } 255 | } 256 | 257 | public override string SubStringExpressionSyntax 258 | { 259 | get { return "SUBSTR([SomeColumn],@p0,@p1)"; } 260 | } 261 | 262 | public override string DateExpressionSyntax 263 | { 264 | get { return "DATE([SomeColumn])"; } 265 | } 266 | 267 | public override string YearExpressionSyntax 268 | { 269 | get { return "STRFTIME('%Y',[SomeColumn])"; } 270 | } 271 | 272 | public override string MonthExpressionSyntax 273 | { 274 | get { return "STRFTIME('%m',[SomeColumn])"; } 275 | } 276 | 277 | public override string HourExpressionSyntax 278 | { 279 | get { return "STRFTIME('%H',[SomeColumn])"; } 280 | } 281 | 282 | public override string MinuteExpressionSyntax 283 | { 284 | get { return "STRFTIME('%M',[SomeColumn])"; } 285 | } 286 | 287 | public override string SecondExpressionSyntax 288 | { 289 | get { return "STRFTIME('%S',[SomeColumn])"; } 290 | } 291 | 292 | public override string MillisecondExpressionSyntax 293 | { 294 | get { return "N/A"; } 295 | } 296 | 297 | public override string DayOfYearExpressionSyntax 298 | { 299 | get { return "STRFTIME('%j',[SomeColumn])"; } 300 | } 301 | 302 | public override string DayOfMonthExpressionSyntax 303 | { 304 | get { return "STRFTIME('%d',[SomeColumn])"; } 305 | } 306 | 307 | public override string DayOfWeekExpressionSyntax 308 | { 309 | get { return "STRFTIME('%w',[SomeColumn])"; } 310 | } 311 | 312 | public override string AddYearsExpressionSyntax 313 | { 314 | get { return "DATETIME([SomeColumn], '+@p0 year')"; } 315 | } 316 | 317 | public override string AddMonthsExpressionSyntax 318 | { 319 | get { return "DATETIME([SomeColumn], '+@p0 month')"; } 320 | } 321 | 322 | public override string AddDaysExpressionSyntax 323 | { 324 | get { return "DATETIME([SomeColumn], '+@p0 day')"; } 325 | } 326 | 327 | public override string AddHoursExpressionSyntax 328 | { 329 | get { return "DATETIME([SomeColumn], '+@p0 hour')"; } 330 | } 331 | 332 | public override string AddMinutesExpressionSyntax 333 | { 334 | get { return "DATETIME([SomeColumn], '+@p0 minute')"; } 335 | } 336 | 337 | public override string AddSecondsExpressionSyntax 338 | { 339 | get { return "DATETIME([SomeColumn], '+@p0 second')"; } 340 | } 341 | 342 | public override string AddMilliSecondsExpressionSyntax 343 | { 344 | get { return "N/A"; } 345 | } 346 | 347 | public override string NowExpressionSyntax 348 | { 349 | get { return "DATETIME('now','localtime')"; } 350 | } 351 | 352 | public override string ToDayExpressionSyntax 353 | { 354 | get { return "DATE('now','localtime')"; } 355 | } 356 | 357 | public override string UpdateExpressionSyntax 358 | { 359 | get { return "UPDATE [SomeTable] SET [SomeColumn] = @p0 WHERE ([SomeColumn] = @p1)"; } 360 | } 361 | 362 | public override string UpdateExpressionWithAliasedTargetSyntax 363 | { 364 | get { return "N/A"; } 365 | } 366 | 367 | public override string UpdateExpressionWithFromClauseSyntax 368 | { 369 | get { return "N/A"; } 370 | } 371 | 372 | public override string InsertExpressionSyntax 373 | { 374 | get { return "INSERT INTO [SomeTable] ([SomeColumn]) VALUES(@p0)"; } 375 | } 376 | 377 | public override string DeleteExpressionSyntax 378 | { 379 | get { return "DELETE FROM [SomeTable] WHERE ([SomeColumn] = @p0)"; } 380 | } 381 | 382 | public override string DeleteExpressionWithAliasedTargetSyntax 383 | { 384 | get { return "N/A"; } 385 | } 386 | 387 | public override string SelectExpressionSyntax 388 | { 389 | get { return "SELECT [SomeColumn] FROM [SomeTable]"; } 390 | } 391 | 392 | public override string SelectExpressionWithTakeSyntax 393 | { 394 | get { return "SELECT [SomeColumn] FROM [SomeTable] LIMIT @p0"; } 395 | } 396 | 397 | public override string SelectExpressionWithSkipSyntax 398 | { 399 | get { return "SELECT [SomeColumn] FROM [SomeTable] LIMIT -1 OFFSET @p0"; } 400 | } 401 | 402 | public override string SelectExpressionWithSkipAndTakeSyntax 403 | { 404 | get { return "SELECT [SomeColumn] FROM [SomeTable] LIMIT @p0 OFFSET @p1"; } 405 | } 406 | 407 | public override string SelectExpressionWithOrderBySyntax 408 | { 409 | get { return "SELECT [SomeColumn] FROM [SomeTable] ORDER BY [SomeColumn] ASC"; } 410 | } 411 | 412 | public override string SelectExpressionWithGroupBySyntax 413 | { 414 | get { return "SELECT [SomeColumn] FROM [SomeTable] GROUP BY [SomeColumn]"; } 415 | } 416 | 417 | public override string SelectExpressionWithGroupByHavingSyntax 418 | { 419 | get { return "SELECT [SomeColumn] FROM [SomeTable] GROUP BY [SomeColumn] HAVING ([SomeColumn] > @p0)"; } 420 | } 421 | 422 | public override string AbsExpressionSyntax 423 | { 424 | get { return "ABS([SomeColumn])"; } 425 | } 426 | 427 | public override string AcosExpressionSyntax 428 | { 429 | get { return "ACOS([SomeColumn])"; } 430 | } 431 | 432 | public override string AsinExpressionSyntax 433 | { 434 | get { return "ASIN([SomeColumn])"; } 435 | } 436 | 437 | public override string AtanExpressionSyntax 438 | { 439 | get { return "ATAN([SomeColumn])"; } 440 | } 441 | 442 | public override string Atan2ExpressionSyntax 443 | { 444 | get { return "ATAN2([SomeColumn])"; } 445 | } 446 | 447 | public override string CeilingExpressionSyntax 448 | { 449 | get { return "CEILING([SomeColumn])"; } 450 | } 451 | 452 | public override string CosExpressionSyntax 453 | { 454 | get { return "COS([SomeColumn])"; } 455 | } 456 | 457 | public override string CotExpressionSyntax 458 | { 459 | get { return "COT([SomeColumn])"; } 460 | } 461 | 462 | public override string DegressExpressionSyntax 463 | { 464 | get { return "DEGREES([SomeColumn])"; } 465 | } 466 | 467 | public override string ExpExpressionSyntax 468 | { 469 | get { return "EXP([SomeColumn])"; } 470 | } 471 | 472 | public override string FloorExpressionSyntax 473 | { 474 | get { return "FLOOR([SomeColumn])"; } 475 | } 476 | 477 | public override string LogExpressionSyntax 478 | { 479 | get { return "LOG([SomeColumn])"; } 480 | } 481 | 482 | public override string Log10ExpressionSyntax 483 | { 484 | get { return "LOG10([SomeColumn])"; } 485 | } 486 | 487 | public override string PIExpressionSyntax 488 | { 489 | get { return "PI()"; } 490 | } 491 | 492 | public override string PowerExpressionSyntax 493 | { 494 | get { return "POWER([SomeColumn],@p0)"; } 495 | } 496 | 497 | public override string RadiansExpressionSyntax 498 | { 499 | get { return "RADIANS([SomeColumn])"; } 500 | } 501 | 502 | public override string RandExpressionSyntax 503 | { 504 | get { return "RANDOM()"; } 505 | } 506 | 507 | public override string RandWithSeedExpressionSyntax 508 | { 509 | get { throw new NotImplementedException(); } 510 | } 511 | 512 | public override string RoundExpressionSyntax 513 | { 514 | get { return "ROUND([SomeColumn],@p0)"; } 515 | } 516 | 517 | public override string SignExpressionSyntax 518 | { 519 | get { return "SIGN([SomeColumn])"; } 520 | } 521 | 522 | public override string SinExpressionSyntax 523 | { 524 | get { return "SIN([SomeColumn])"; } 525 | } 526 | 527 | public override string SqrtExpressionSyntax 528 | { 529 | get { return "SQRT([SomeColumn])"; } 530 | } 531 | 532 | public override string SquareExpressionSyntax 533 | { 534 | get { return "SQUARE([SomeColumn])"; } 535 | } 536 | 537 | public override string TanExpressionSyntax 538 | { 539 | get { return "TAN([SomeColumn])"; } 540 | } 541 | 542 | public override string NullCheckEqualsExpressionSyntax 543 | { 544 | get { return "([SomeColumn] IS NULL)"; } 545 | } 546 | 547 | public override string NullCheckNotEqualsExpressionSyntax 548 | { 549 | get { return "([SomeColumn] IS NOT NULL)"; } 550 | } 551 | } 552 | } 553 | -------------------------------------------------------------------------------- /DbExpressions.Tests/StringExtensions.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace DbExpressions.Tests 4 | { 5 | public static class StringExtensions 6 | { 7 | public static string Clean(this string target) 8 | { 9 | return target.Replace(Environment.NewLine, "").Replace("\t", ""); 10 | } 11 | 12 | /// 13 | /// Strips of the formatting (new line and tabs) 14 | /// 15 | /// The target string. 16 | /// 17 | public static string Strip(this string target) 18 | { 19 | return target.Replace(Environment.NewLine, "").Replace("\t", ""); 20 | } 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /DbExpressions.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 11.00 3 | # Visual Studio 2010 4 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DbExpressions", "DbExpressions\DbExpressions.csproj", "{EFB8519C-78AA-48CC-AF0B-7AFE126BE9A1}" 5 | EndProject 6 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DbExpressions.Tests", "DbExpressions.Tests\DbExpressions.Tests.csproj", "{F53DA910-FC47-4909-81EC-643E8BA9D51E}" 7 | EndProject 8 | Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{8311E6C3-7550-4BC8-9BDF-338F64F2F1C7}" 9 | ProjectSection(SolutionItems) = preProject 10 | DbExpressions.vsmdi = DbExpressions.vsmdi 11 | Local.testsettings = Local.testsettings 12 | TraceAndTestImpact.testsettings = TraceAndTestImpact.testsettings 13 | EndProjectSection 14 | EndProject 15 | Global 16 | GlobalSection(TestCaseManagementSettings) = postSolution 17 | CategoryFile = DbExpressions.vsmdi 18 | EndGlobalSection 19 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 20 | Debug|Any CPU = Debug|Any CPU 21 | Release|Any CPU = Release|Any CPU 22 | EndGlobalSection 23 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 24 | {EFB8519C-78AA-48CC-AF0B-7AFE126BE9A1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 25 | {EFB8519C-78AA-48CC-AF0B-7AFE126BE9A1}.Debug|Any CPU.Build.0 = Debug|Any CPU 26 | {EFB8519C-78AA-48CC-AF0B-7AFE126BE9A1}.Release|Any CPU.ActiveCfg = Release|Any CPU 27 | {EFB8519C-78AA-48CC-AF0B-7AFE126BE9A1}.Release|Any CPU.Build.0 = Release|Any CPU 28 | {F53DA910-FC47-4909-81EC-643E8BA9D51E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 29 | {F53DA910-FC47-4909-81EC-643E8BA9D51E}.Debug|Any CPU.Build.0 = Debug|Any CPU 30 | {F53DA910-FC47-4909-81EC-643E8BA9D51E}.Release|Any CPU.ActiveCfg = Release|Any CPU 31 | {F53DA910-FC47-4909-81EC-643E8BA9D51E}.Release|Any CPU.Build.0 = Release|Any CPU 32 | EndGlobalSection 33 | GlobalSection(SolutionProperties) = preSolution 34 | HideSolutionNode = FALSE 35 | EndGlobalSection 36 | EndGlobal 37 | -------------------------------------------------------------------------------- /DbExpressions.vsmdi: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /DbExpressions.vssscc: -------------------------------------------------------------------------------- 1 | "" 2 | { 3 | "FILE_VERSION" = "9237" 4 | "ENLISTMENT_CHOICE" = "NEVER" 5 | "PROJECT_FILE_RELATIVE_PATH" = "" 6 | "NUMBER_OF_EXCLUDED_FILES" = "0" 7 | "ORIGINAL_PROJECT_FILE_PATH" = "" 8 | "NUMBER_OF_NESTED_PROJECTS" = "0" 9 | "SOURCE_CONTROL_SETTINGS_PROVIDER" = "PROJECT" 10 | } 11 | -------------------------------------------------------------------------------- /DbExpressions/Configuration/DbExpressionSettings.cs: -------------------------------------------------------------------------------- 1 | using System.Configuration; 2 | 3 | namespace DbExpressions.Configuration 4 | { 5 | /// 6 | /// Configures the dbExpression section. 7 | /// 8 | public class DbExpressionSettings : ConfigurationSection 9 | { 10 | /// 11 | /// Gets or sets the name of the default provider. 12 | /// 13 | [ConfigurationProperty("defaultProvider",DefaultValue = "System.Data.SqlClient")] 14 | public string DefaultProvider 15 | { 16 | get { return (string)this["defaultProvider"]; } 17 | 18 | set { this["defaultProvider"] = value; } 19 | } 20 | 21 | /// 22 | /// Gets a list of instances. 23 | /// 24 | [ConfigurationProperty("queryTranslators", IsDefaultCollection = true)] 25 | public QueryTranslatorElementCollection QueryTranslators 26 | { 27 | get { return this["queryTranslators"] as QueryTranslatorElementCollection; } 28 | } 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /DbExpressions/Configuration/QueryTranslatorElement.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.ComponentModel; 3 | using System.Configuration; 4 | 5 | namespace DbExpressions.Configuration 6 | { 7 | /// 8 | /// Represents a configuration element in a configuration file. 9 | /// 10 | public class QueryTranslatorElement : ConfigurationElement 11 | { 12 | /// 13 | /// Gets or sets the provider invariant name. 14 | /// 15 | [ConfigurationProperty("providerName")] 16 | public string ProviderName 17 | { 18 | get { return (string)this["providerName"]; } 19 | set { this["providerName"] = value; } 20 | } 21 | 22 | /// 23 | /// Gets or sets the query translator type 24 | /// 25 | [TypeConverter(typeof(TypeNameConverter))] 26 | [ConfigurationProperty("type")] 27 | public Type Type 28 | { 29 | get { return (Type)this["type"]; } 30 | set { this["type"] = value; } 31 | } 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /DbExpressions/Configuration/QueryTranslatorElementCollection.cs: -------------------------------------------------------------------------------- 1 | using System.Configuration; 2 | 3 | namespace DbExpressions.Configuration 4 | { 5 | /// 6 | /// Represents a list of instances. 7 | /// 8 | public class QueryTranslatorElementCollection : ConfigurationElementCollection 9 | { 10 | /// 11 | /// When overridden in a derived class, creates a new . 12 | /// 13 | /// 14 | /// A new . 15 | /// 16 | protected override ConfigurationElement CreateNewElement() 17 | { 18 | return new QueryTranslatorElement(); 19 | } 20 | 21 | /// 22 | /// Gets the element key for a specified configuration element when overridden in a derived class. 23 | /// 24 | /// 25 | /// An that acts as the key for the specified . 26 | /// 27 | /// The to return the key for. 28 | protected override object GetElementKey(ConfigurationElement element) 29 | { 30 | return ((QueryTranslatorElement)element).ProviderName; 31 | } 32 | 33 | /// 34 | /// Gets the name used to identify this collection of elements in the configuration file when overridden in a derived class. 35 | /// 36 | /// 37 | /// The name of the collection; otherwise, an empty string. The default is an empty string. 38 | /// 39 | protected override string ElementName 40 | { 41 | get { return "queryTranslator"; } 42 | } 43 | 44 | /// 45 | /// Gets the type of the . 46 | /// 47 | /// 48 | /// The of this collection. 49 | /// 50 | public override ConfigurationElementCollectionType CollectionType 51 | { 52 | get { return ConfigurationElementCollectionType.BasicMap; } 53 | } 54 | } 55 | } 56 | -------------------------------------------------------------------------------- /DbExpressions/DbExpressions.csproj: -------------------------------------------------------------------------------- 1 |  2 | 3 | 4 | Debug 5 | AnyCPU 6 | 8.0.30703 7 | 2.0 8 | {EFB8519C-78AA-48CC-AF0B-7AFE126BE9A1} 9 | Library 10 | Properties 11 | DbExpressions 12 | DbExpressions 13 | v4.0 14 | 512 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | true 26 | full 27 | false 28 | bin\Debug\ 29 | DEBUG;TRACE 30 | prompt 31 | 4 32 | bin\Debug\DbExpressions.XML 33 | false 34 | BasicCorrectnessRules.ruleset 35 | 36 | 37 | pdbonly 38 | true 39 | bin\Release\ 40 | TRACE 41 | prompt 42 | 4 43 | bin\Release\DbExpressions.XML 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 127 | -------------------------------------------------------------------------------- /DbExpressions/DbExpressions.csproj.vspscc: -------------------------------------------------------------------------------- 1 | "" 2 | { 3 | "FILE_VERSION" = "9237" 4 | "ENLISTMENT_CHOICE" = "NEVER" 5 | "PROJECT_FILE_RELATIVE_PATH" = "" 6 | "NUMBER_OF_EXCLUDED_FILES" = "0" 7 | "ORIGINAL_PROJECT_FILE_PATH" = "" 8 | "NUMBER_OF_NESTED_PROJECTS" = "0" 9 | "SOURCE_CONTROL_SETTINGS_PROVIDER" = "PROVIDER" 10 | } 11 | -------------------------------------------------------------------------------- /DbExpressions/DbGroupByExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents the 'GROUP BY' clause of the query. 5 | /// 6 | public class DbGroupByExpression : DbExpression 7 | { 8 | 9 | /// 10 | /// Initializes a new instance of the class. 11 | /// 12 | internal DbGroupByExpression() {} 13 | 14 | /// 15 | /// Gets the target used to create the group. 16 | /// 17 | public DbExpression TargetExpression { get; internal set; } 18 | 19 | /// 20 | /// Gets the that represents a search condition for a group. 21 | /// 22 | public DbExpression HavingExpression { get; internal set; } 23 | 24 | /// 25 | /// Gets the of the . 26 | /// 27 | public override DbExpressionType ExpressionType 28 | { 29 | get { return DbExpressionType.GroupBy; } 30 | } 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /DbExpressions/DbQueryTranslatorFactory.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Concurrent; 3 | using System.Configuration; 4 | using System.Data.Common; 5 | using System.Reflection; 6 | using DbExpressions.Configuration; 7 | using System.Linq; 8 | 9 | namespace DbExpressions 10 | { 11 | /// 12 | /// Factory class that creates instances. 13 | /// 14 | public static class DbQueryTranslatorFactory 15 | { 16 | private static readonly ConcurrentDictionary QueryTranslatorTypes 17 | = new ConcurrentDictionary(); 18 | 19 | private static string _defaultProviderName; 20 | 21 | static DbQueryTranslatorFactory() 22 | { 23 | RegisterBuiltinTranslators(); 24 | _defaultProviderName = "System.Data.SqlClient"; 25 | RegisterConfiguredTranslators(); 26 | } 27 | 28 | private static void RegisterConfiguredTranslators() 29 | { 30 | DbExpressionSettings dbExpressionSettings; 31 | try 32 | { 33 | dbExpressionSettings = 34 | (DbExpressionSettings)ConfigurationManager.GetSection("dbExpressions"); 35 | } 36 | catch (Exception ex) 37 | { 38 | 39 | throw; 40 | } 41 | 42 | if (dbExpressionSettings == null) 43 | return; 44 | _defaultProviderName = dbExpressionSettings.DefaultProvider; 45 | foreach (var translatorElement in dbExpressionSettings.QueryTranslators) 46 | { 47 | var queryTranslatorElement = (QueryTranslatorElement) translatorElement; 48 | RegisterQueryTranslator(queryTranslatorElement.ProviderName,queryTranslatorElement.Type); 49 | } 50 | } 51 | 52 | private static void RegisterBuiltinTranslators() 53 | { 54 | RegisterQueryTranslator("System.Data.SqlClient",typeof(SqlQueryTranslator)); 55 | RegisterQueryTranslator("MySql.Data.MySqlClient", typeof(MySqlQueryTranslator)); 56 | RegisterQueryTranslator("System.Data.SQLite", typeof(SQLiteQueryTranslator)); 57 | RegisterQueryTranslator("Oracle.DataAccess.Client", typeof(OracleQueryTranslator)); 58 | } 59 | 60 | /// 61 | /// Gets a new instance. 62 | /// 63 | /// The invariant provider name. 64 | /// 65 | public static DbQueryTranslator GetQueryTranslator(string invariantProviderName) 66 | { 67 | Type translatorType; 68 | QueryTranslatorTypes.TryGetValue(invariantProviderName, out translatorType); 69 | if (translatorType == null) 70 | throw new ArgumentOutOfRangeException("invariantProviderName", 71 | string.Format("No query translator found for the target provider : {0}",invariantProviderName)); 72 | return CreateInstance(invariantProviderName, translatorType); 73 | 74 | } 75 | 76 | /// 77 | /// Gets a new instance according to the configured default provider name. 78 | /// 79 | /// 80 | /// The default value is "System.Data.SqlClient", but this can be overridden in app/web.config. 81 | /// The default provider is also used to translate an expression in the method. 82 | /// 83 | /// 84 | /// 85 | public static DbQueryTranslator GetQueryTranslator() 86 | { 87 | return GetQueryTranslator(_defaultProviderName); 88 | } 89 | 90 | /// 91 | /// Registers a new type for the target provider. 92 | /// 93 | /// The invarient name of the provider. 94 | /// The concrete implementation of that targets this provider. 95 | public static void RegisterQueryTranslator(string providerInvariantName, Type queryTranslatorType) 96 | { 97 | QueryTranslatorTypes.AddOrUpdate(providerInvariantName, 98 | queryTranslatorType, (key, oldValue) => queryTranslatorType); 99 | } 100 | 101 | /// 102 | /// Specifies the name of the default provider that will be used if otherwise not specified. 103 | /// This will also be used in the ToString() override to provide a textual representation of the query during debugging. 104 | /// 105 | /// 106 | public static void SetDefaultProvider(string providerInvariantName) 107 | { 108 | _defaultProviderName = providerInvariantName; 109 | } 110 | 111 | 112 | 113 | private static DbQueryTranslator CreateInstance(string providerInvariantName, Type type) 114 | { 115 | var providerFactory = CreateProviderFactory(providerInvariantName); 116 | return (DbQueryTranslator)Activator.CreateInstance(type, new object[] {providerFactory}); 117 | } 118 | 119 | private static DbProviderFactory CreateProviderFactory(string providerInvariantName) 120 | { 121 | return DbProviderFactories.GetFactory(providerInvariantName); 122 | } 123 | 124 | 125 | } 126 | } 127 | -------------------------------------------------------------------------------- /DbExpressions/DbTranslateResult.cs: -------------------------------------------------------------------------------- 1 | using System.Collections.Generic; 2 | using System.Data; 3 | using System.Data.Common; 4 | 5 | namespace DbExpressions 6 | { 7 | /// 8 | /// Represents the result of translating a tree. 9 | /// 10 | public class DbTranslateResult 11 | { 12 | private readonly DbProviderFactory _dbProviderFactory; 13 | 14 | /// 15 | /// Initializes a new instance of the class. 16 | /// 17 | /// The generated SQL statement. 18 | /// A of 19 | /// instances that are referenced in the query. 20 | /// The instance. 21 | internal DbTranslateResult(string sql, IEnumerable parameters, DbProviderFactory dbProviderFactory) 22 | { 23 | _dbProviderFactory = dbProviderFactory; 24 | Sql = sql; 25 | Parameters = parameters; 26 | } 27 | 28 | /// 29 | /// Gets or sets a that contains the 30 | /// instances that has been created for constant expressions. 31 | /// 32 | public IEnumerable Parameters { get; private set; } 33 | 34 | /// 35 | /// Gets the Sql statement that has been created from a tree. 36 | /// 37 | public string Sql { get; private set; } 38 | 39 | 40 | /// 41 | /// Creates a new instance based on this . 42 | /// 43 | /// 44 | public IDbCommand CreateCommand() 45 | { 46 | var command = _dbProviderFactory.CreateCommand(); 47 | if (command != null) 48 | { 49 | command.CommandText = Sql; 50 | foreach (var dataParameter in Parameters) 51 | { 52 | command.Parameters.Add(dataParameter); 53 | } 54 | return command; 55 | } 56 | return null; 57 | } 58 | } 59 | } 60 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbAggregateFunctionExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Specifies the type of . 5 | /// 6 | public enum DbAggregateFunctionExpressionType 7 | { 8 | /// 9 | /// A node that represents returning the number of items in the expression. 10 | /// 11 | Count, 12 | 13 | /// 14 | /// Returns the minimum value in the expression. 15 | /// 16 | Min, 17 | 18 | /// 19 | /// Returns the maximum value in the expression. 20 | /// 21 | Max, 22 | 23 | /// 24 | /// A node that represents returning the average of the values in the expression. 25 | /// 26 | Avg, 27 | 28 | /// 29 | /// A node that represents returning the sum of all values in the expression. 30 | /// 31 | Sum 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbBinaryExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Specifies the type of . 5 | /// 6 | public enum DbBinaryExpressionType 7 | { 8 | /// 9 | /// A node that represents a logical AND operation. 10 | /// 11 | And, 12 | 13 | /// 14 | /// A node that represents a logical OR operation. 15 | /// 16 | Or, 17 | 18 | /// 19 | /// A node that represents an equality comparison. 20 | /// 21 | Equal, 22 | 23 | /// 24 | /// A node that represents an inequality comparison. 25 | /// 26 | NotEqual, 27 | 28 | /// 29 | /// A node that represents a "greater than" comparison. 30 | /// 31 | GreaterThan, 32 | 33 | /// 34 | /// A node that represents a "greater than or equal" comparison. 35 | /// 36 | GreaterThanOrEqual, 37 | 38 | /// 39 | /// A node that represents a "less than" comparison. 40 | /// 41 | LessThan, 42 | 43 | /// 44 | /// A node that represents a "less than or equal" comparison. 45 | /// 46 | LessThanOrEqual, 47 | 48 | /// 49 | /// A node that represents arithmetic addition. 50 | /// 51 | Add, 52 | 53 | /// 54 | /// A node that represents arithmetic subtraction. 55 | /// 56 | Subtract, 57 | 58 | /// 59 | /// A node that represents arithmetic multiplication. 60 | /// 61 | Multiply, 62 | 63 | /// 64 | /// A node that represents arithmetic division. 65 | /// 66 | Divide, 67 | 68 | /// 69 | /// A node that represents a column or variable assignment 70 | /// 71 | Assignment 72 | } 73 | } 74 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbDateTimeFunctionExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Describes the node types that represents calling date/time functions. 5 | /// 6 | public enum DbDateTimeFunctionExpressionType 7 | { 8 | /// 9 | /// A node that represents adding the specified number of years to a date/time. 10 | /// 11 | AddYears, 12 | 13 | /// 14 | /// A node that represents adding the specified number of months to a date/time. 15 | /// 16 | AddMonths, 17 | 18 | /// 19 | /// A node that represents adding the specified number of days to a date/time. 20 | /// 21 | AddDays, 22 | 23 | /// 24 | /// A node that represents adding the specified number of hours to a date/time. 25 | /// 26 | AddHours, 27 | 28 | /// 29 | /// A node that represents adding the specified number of minutes to a date/time. 30 | /// 31 | AddMinutes, 32 | 33 | /// 34 | /// A node that represents adding the specified number of seconds to a date/time. 35 | /// 36 | AddSeconds, 37 | 38 | /// 39 | /// A node that represents adding the specified number of milliseconds to a date/time. 40 | /// 41 | AddMilliseconds, 42 | 43 | /// 44 | /// A node that represents returning the date component of a date/time value. 45 | /// 46 | Date, 47 | 48 | /// 49 | /// A node that represents returning the day of the month. 50 | /// 51 | DayOfMonth, 52 | 53 | /// 54 | /// A node that represents returning the day of the week. 55 | /// 56 | DayOfWeek, 57 | 58 | /// 59 | /// A node that represents returning the day of the year. 60 | /// 61 | DayOfYear, 62 | 63 | /// 64 | /// A node that represents returning the year component of a date/time value. 65 | /// 66 | Year, 67 | 68 | /// 69 | /// A node that represents returning the month component of a date/time value. 70 | /// 71 | Month, 72 | 73 | /// 74 | /// A node that represents returning the hour component of a date/time value. 75 | /// 76 | Hour, 77 | 78 | /// 79 | /// A node that represents returning the millisecond component of a date/time value. 80 | /// 81 | MilliSecond, 82 | 83 | /// 84 | /// A node that represents returning the minute component of a date/time value. 85 | /// 86 | Minute, 87 | 88 | /// 89 | /// A node that represents returning the current date and time. 90 | /// 91 | Now, 92 | 93 | /// 94 | /// A node that represents returning the second component of a date/time value. 95 | /// 96 | Second, 97 | 98 | /// 99 | /// A node that represents returning the current date. 100 | /// 101 | ToDay 102 | } 103 | } 104 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Describes the node types for the nodes of an tree. 5 | /// 6 | /// 7 | public enum DbExpressionType 8 | { 9 | /// 10 | /// A node that represents a , 11 | /// . 12 | /// 13 | Binary, 14 | 15 | /// 16 | /// A node that represents a list of instances. 17 | /// 18 | List, 19 | 20 | /// 21 | /// A node that represents the execution of multiple statements as one batch. 22 | /// 23 | Batch, 24 | 25 | /// 26 | /// A node that represents calling a function. 27 | /// 28 | Function, 29 | 30 | /// 31 | /// A node that represents a that has a constant value. 32 | /// 33 | Constant, 34 | 35 | /// 36 | /// A node the represents the 'SELECT' clause of the query. 37 | /// 38 | Select, 39 | 40 | /// 41 | /// A node the represents the 'INSERT' clause of the query. 42 | /// 43 | Insert, 44 | 45 | /// 46 | /// A node the represents the 'UPDATE' clause of the query. 47 | /// 48 | Update, 49 | 50 | /// 51 | /// A node the represents the 'DELETE' clause of the query. 52 | /// 53 | Delete, 54 | 55 | /// 56 | /// A node that represents a . 57 | /// 58 | Query, 59 | 60 | /// 61 | /// A node that represents an element in the 'ORDER BY' clause of the query. 62 | /// 63 | OrderBy, 64 | 65 | /// 66 | /// A node the represents the 'GROUP BY' clause of the query. 67 | /// 68 | GroupBy, 69 | 70 | /// 71 | /// A node that represents a table reference in the query. 72 | /// 73 | Table, 74 | 75 | /// 76 | /// A node that represents a column reference in the query. 77 | /// 78 | Column, 79 | 80 | /// 81 | /// A node that represents a 'JOIN' in the query. 82 | /// 83 | Join, 84 | 85 | /// 86 | /// A node that represents an 'EXISTS' subquery. 87 | /// 88 | Exists, 89 | 90 | /// 91 | /// A node that represents an alised . 92 | /// 93 | Alias, 94 | 95 | /// 96 | /// A node that represents a prefix. 97 | /// 98 | Prefix, 99 | 100 | /// 101 | /// A node the represents a . 102 | /// 103 | Unary, 104 | 105 | /// 106 | /// A node that represents a . 107 | /// 108 | Conditional, 109 | 110 | /// 111 | /// A node that represents a . 112 | /// 113 | Concat, 114 | 115 | /// 116 | /// A node that represents a . 117 | /// 118 | In, 119 | 120 | /// 121 | /// A node that represents a sql fragment. 122 | /// 123 | Sql 124 | } 125 | } 126 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbFunctionExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Describes the node types for the nodes of an tree. 5 | /// 6 | /// 7 | public enum DbFunctionExpressionType 8 | { 9 | /// 10 | /// A node that represents a string function. 11 | /// 12 | String, 13 | 14 | /// 15 | /// A node that represents a datetime function. 16 | /// 17 | DateTime, 18 | 19 | /// 20 | /// A node that represents an aggregate function. 21 | /// 22 | Aggregate, 23 | 24 | /// 25 | /// A node that represents a mathematical function. 26 | /// 27 | Mathematical 28 | } 29 | } 30 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbJoinExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Specifies the type of . 5 | /// 6 | public enum DbJoinExpressionType 7 | { 8 | /// 9 | /// Specifies all matching pairs of rows are returned. 10 | /// 11 | InnerJoin, 12 | /// 13 | /// Specifies that all rows from the left table 14 | /// not meeting the join condition are included in the result set, 15 | /// and output columns from the other table are set to NULL 16 | /// in addition to all rows returned by the inner join. 17 | /// 18 | LeftOuterJoin, 19 | 20 | /// 21 | /// Specifies all rows from the right table 22 | /// not meeting the join condition are included in the result set, 23 | /// and output columns that correspond to the other table are set to NULL, 24 | /// in addition to all rows returned by the inner join. 25 | /// 26 | RightOuterJoin 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbMathematicalFunctionExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Describes the node types that represents calling mathematical functions. 5 | /// 6 | public enum DbMathematicalFunctionExpressionType 7 | { 8 | /// 9 | /// A node that represents returning the absolute (positive) value of the specified numeric expression. 10 | /// 11 | Abs, 12 | 13 | /// 14 | /// A node that represents returning the angle, in radians, whose cosine is the specified float expression; also called arccosine. 15 | /// 16 | Acos, 17 | 18 | /// 19 | /// A node that represents returning the angle, in radians, whose sine is the specified float expression. This is also called arcsine. 20 | /// 21 | Asin, 22 | 23 | /// 24 | /// A node that represents returning the angle in radians whose tangent is a specified float expression. This is also called arctangent. 25 | /// 26 | Atan, 27 | 28 | /// 29 | /// A node that represents returning the angle, in radians, between the positive x-axis and the ray from the origin to the point (y, x), 30 | /// where x and y are the values of the two specified float expressions. 31 | /// 32 | Atan2, 33 | 34 | /// 35 | /// A node that represents returning the smallest integer greater than, or equal to, the specified numeric expression. 36 | /// 37 | Ceiling, 38 | 39 | /// 40 | /// A node that represents returning the trigonometric cosine of the specified angle, in radians, in the specified expression. 41 | /// 42 | Cos, 43 | 44 | /// 45 | /// A node that represents returning the trigonometric cotangent of the specified angle, in radians, in the specified float expression. 46 | /// 47 | Cot, 48 | 49 | /// 50 | /// A node that represents returning the corresponding angle in degrees for an angle specified in radians. 51 | /// 52 | Degrees, 53 | 54 | /// 55 | /// A node that represents returning the exponential value of the specified float expression. 56 | /// 57 | Exp, 58 | 59 | /// 60 | /// A node that represents returning the largest integer less than or equal to the specified numeric expression. 61 | /// 62 | Floor, 63 | 64 | /// 65 | /// A node that represents returning the natural logarithm of the specified float expression. 66 | /// 67 | Log, 68 | 69 | /// 70 | /// A node that represents returning the base-10 logarithm of the specified float expression. 71 | /// 72 | Log10, 73 | 74 | /// 75 | /// A node that represents returning the constant value of PI. 76 | /// 77 | PI, 78 | 79 | /// 80 | /// A node that represents returning the value of the specified expression to the specified power. 81 | /// 82 | Power, 83 | 84 | /// 85 | /// A node that represents returning the radians of the specified numeric expression. 86 | /// 87 | Radians, 88 | 89 | /// 90 | /// A node that represents returning a pseudo-random float value from 0 through 1 91 | /// 92 | Rand, 93 | 94 | /// 95 | /// A node that represents returning a pseudo-random float value from 0 through 1 using a seed value. 96 | /// 97 | RandSeed, 98 | 99 | /// 100 | /// A node that represents returning a numeric value, rounded to the specified length or precision. 101 | /// 102 | Round, 103 | 104 | /// 105 | /// A node that represents returning the positive (+1), zero (0), or negative (-1) sign of the specified expression. 106 | /// 107 | Sign, 108 | 109 | /// 110 | /// A node that represents returning the trigonometric sine of the specified angle, in radians, and in an approximate numeric, float, expression. 111 | /// 112 | Sin, 113 | 114 | /// 115 | /// A node that represents returning the square root of the specified float value. 116 | /// 117 | Sqrt, 118 | 119 | /// 120 | /// A node that represents returning the square of the specified float value. 121 | /// 122 | Square, 123 | 124 | /// 125 | /// A node that represents returning the tangent of the input expression. 126 | /// 127 | Tan 128 | } 129 | } 130 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbOrderByExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Describes the possible sort directions for an . 5 | /// 6 | public enum DbOrderByExpressionType 7 | { 8 | /// 9 | /// Sorts the element in an ascending order. 10 | /// 11 | Ascending, 12 | 13 | /// 14 | /// Sorts the element in an descending order. 15 | /// 16 | Descending 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbQueryType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Specifies the type of . 5 | /// 6 | public enum DbQueryType 7 | { 8 | /// 9 | /// A node that represents a 'SELECT' query. 10 | /// 11 | Select, 12 | /// 13 | /// A node that represents a 'UPDATE' query. 14 | /// 15 | Update, 16 | /// 17 | /// A node that represents a 'INSERT' query. 18 | /// 19 | Insert, 20 | 21 | /// 22 | /// A node that represents a 'DELETE' query. 23 | /// 24 | Delete, 25 | 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbStringFunctionExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Describes the node types that represents calling string functions. 5 | /// 6 | public enum DbStringFunctionExpressionType 7 | { 8 | /// 9 | /// A node that represents changing a string to uppercase. 10 | /// 11 | ToUpper, 12 | 13 | /// 14 | /// A node that represents changing a string to lowercase. 15 | /// 16 | ToLower, 17 | 18 | /// 19 | /// A node that represents returning the length of a string. 20 | /// 21 | Length, 22 | 23 | /// 24 | /// A node that represents removing all leading and trailing spaces from a string. 25 | /// 26 | Trim, 27 | 28 | /// 29 | /// A node that represents removing all leading spaces from a string. 30 | /// 31 | TrimStart, 32 | 33 | /// 34 | /// A node that represents removing all trailing spaces from a string. 35 | /// 36 | TrimEnd, 37 | 38 | /// 39 | /// A node that represents replacing 40 | /// all occurrences of a specified string value with another string value. 41 | /// 42 | Replace, 43 | 44 | /// 45 | /// A node that represents reversing a string value. 46 | /// 47 | Reverse, 48 | 49 | /// 50 | /// A node that represents returning a four-character code to evaluate the similarity 51 | /// of two strings. 52 | /// 53 | SoundEx, 54 | 55 | /// 56 | /// A node that represents retriving a substring from a string. 57 | /// 58 | SubString 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /DbExpressions/Enums/DbUnaryExpressionType.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Specifies the type of . 5 | /// 6 | public enum DbUnaryExpressionType 7 | { 8 | /// 9 | /// A node that represents negating the result of a boolean 10 | /// 11 | Not, 12 | 13 | /// 14 | /// A node that represents a conversion operation. 15 | /// 16 | Cast, 17 | } 18 | } 19 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbAggregateFunctionExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents calling an aggregate function in the target DBMS. 5 | /// 6 | public class DbAggregateFunctionExpression : DbFunctionExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The of the . 12 | /// The arguments used when calling the function. 13 | internal DbAggregateFunctionExpression(DbAggregateFunctionExpressionType aggregateFunctionExpressionType, DbExpression[] arguments) 14 | : base(DbFunctionExpressionType.Aggregate, arguments) 15 | { 16 | AggregateFunctionExpressionType = aggregateFunctionExpressionType; 17 | } 18 | 19 | /// 20 | /// Gets the for this . 21 | /// 22 | public DbAggregateFunctionExpressionType AggregateFunctionExpressionType { get; private set; } 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbAliasExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents an aliased 5 | /// 6 | public class DbAliasExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The target to be aliased. 12 | /// the alias to be used to reference the 13 | internal DbAliasExpression(DbExpression target, string alias) 14 | { 15 | Target = target; 16 | Alias = alias; 17 | } 18 | 19 | /// 20 | /// Gets the target to be aliased. 21 | /// 22 | public DbExpression Target { get; private set; } 23 | 24 | /// 25 | /// Gets the alias to be used to reference the 26 | /// 27 | public string Alias { get; private set; } 28 | 29 | /// 30 | /// Gets the of the . 31 | /// 32 | /// 33 | public override DbExpressionType ExpressionType 34 | { 35 | get { return DbExpressionType.Alias; } 36 | } 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbBatchExpression.cs: -------------------------------------------------------------------------------- 1 | using System.Collections.Generic; 2 | 3 | namespace DbExpressions 4 | { 5 | /// 6 | /// Represents a batch of instances. 7 | /// 8 | public class DbBatchExpression : DbListExpression 9 | { 10 | /// 11 | /// Initializes a new instance of the class. 12 | /// 13 | internal DbBatchExpression() 14 | { 15 | } 16 | 17 | /// 18 | /// Initializes a new instance of the class. 19 | /// 20 | /// A that 21 | /// contains instances to be copied to the new list. 22 | internal DbBatchExpression(IEnumerable dbExpressions) : base(dbExpressions) 23 | { 24 | } 25 | 26 | /// 27 | /// Gets the of the . 28 | /// 29 | /// 30 | public override DbExpressionType ExpressionType 31 | { 32 | get { return DbExpressionType.Batch; } 33 | } 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbBinaryExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a that has a binary operator. 5 | /// 6 | public class DbBinaryExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The that this represents. 12 | /// The left expression. 13 | /// The right expression. 14 | internal DbBinaryExpression(DbBinaryExpressionType binaryExpressionType, DbExpression leftExpression, DbExpression rightExpression) 15 | { 16 | BinaryExpressionType = binaryExpressionType; 17 | LeftExpression = leftExpression; 18 | RightExpression = rightExpression; 19 | } 20 | 21 | /// 22 | /// Gets the left operand of the binary operation. 23 | /// 24 | public DbExpression LeftExpression { get; private set; } 25 | 26 | /// 27 | /// Gets the right operand of the binary operation. 28 | /// 29 | public DbExpression RightExpression { get; private set; } 30 | 31 | /// 32 | /// Gets the of the . 33 | /// 34 | public override DbExpressionType ExpressionType 35 | { 36 | get { return DbExpressionType.Binary; } 37 | } 38 | 39 | /// 40 | /// Gets the that this represents. 41 | /// 42 | public DbBinaryExpressionType BinaryExpressionType { get; private set; } 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbColumnExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a column reference in the query. 5 | /// 6 | public class DbColumnExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The name of the column. 12 | internal DbColumnExpression(string columnName) 13 | { 14 | ColumnName = columnName; 15 | } 16 | 17 | /// 18 | /// Gets the of the . 19 | /// 20 | public override DbExpressionType ExpressionType 21 | { 22 | get { return DbExpressionType.Column; } 23 | } 24 | 25 | /// 26 | /// Gets the name of the column. 27 | /// 28 | public string ColumnName { get; private set; } 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbConcatExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a concatenate operation between two instances. 5 | /// 6 | public class DbConcatExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | internal DbConcatExpression() 12 | { 13 | } 14 | 15 | /// 16 | /// Gets the left operand of the concatenate operation. 17 | /// 18 | public DbExpression LeftExpression { get; internal set; } 19 | 20 | /// 21 | /// Gets the right operand of the concatenate operation. 22 | /// 23 | public DbExpression RightExpression { get; internal set; } 24 | 25 | /// 26 | /// Gets the of the . 27 | /// 28 | /// 29 | public override DbExpressionType ExpressionType 30 | { 31 | get { return DbExpressionType.Concat; } 32 | } 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbConditionalExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a that has a conditional operator. 5 | /// 6 | public class DbConditionalExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | internal DbConditionalExpression() 12 | { 13 | } 14 | 15 | /// 16 | /// Gets the that is executed if the evaluates to true. 17 | /// 18 | public DbExpression IfTrue { get; internal set; } 19 | 20 | /// 21 | /// Gets the that is executed if the evaluates to false. 22 | /// 23 | public DbExpression IfFalse { get; internal set; } 24 | 25 | /// 26 | /// Gets the that is evaluated. 27 | /// 28 | public DbExpression Condition { get; internal set; } 29 | 30 | /// 31 | /// Gets the of the . 32 | /// 33 | /// 34 | public override DbExpressionType ExpressionType 35 | { 36 | get { return DbExpressionType.Conditional; } 37 | } 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbConstantExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a that has a constant value. 5 | /// 6 | public class DbConstantExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The value of the constant expression. 12 | internal DbConstantExpression(object value) 13 | { 14 | Value = value; 15 | } 16 | 17 | /// 18 | /// Gets the value of the constant expression. 19 | /// 20 | public object Value { get; private set; } 21 | 22 | /// 23 | /// Gets the of the . 24 | /// 25 | public override DbExpressionType ExpressionType 26 | { 27 | get { return DbExpressionType.Constant; } 28 | } 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbDateTimeFunctionExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents calling a built in date/time function in the target DBMS. 5 | /// 6 | public class DbDateTimeFunctionExpression : DbFunctionExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The of the . 12 | /// The arguments used when calling the function. 13 | internal DbDateTimeFunctionExpression(DbDateTimeFunctionExpressionType dateTimeFunctionExpressionType, DbExpression[] arguments) 14 | : base(DbFunctionExpressionType.DateTime, arguments) 15 | { 16 | DateTimeFunctionExpressionType = dateTimeFunctionExpressionType; 17 | } 18 | 19 | /// 20 | /// Gets the for this . 21 | /// 22 | public DbDateTimeFunctionExpressionType DateTimeFunctionExpressionType { get; private set; } 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbDeleteExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a 'DELETE' database query. 5 | /// 6 | public class DbDeleteExpression : DbQueryExpression 7 | { 8 | /// 9 | /// Gets the of the . 10 | /// 11 | /// 12 | public override DbExpressionType ExpressionType 13 | { 14 | get { return DbExpressionType.Delete; } 15 | } 16 | 17 | /// 18 | /// Gets or sets the target that represents the database table to delete from. 19 | /// 20 | public DbExpression Target { get; set; } 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbExistsExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a subquery to test for existence of rows. 5 | /// 6 | public class DbExistsExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The that is used as the sub query. 12 | internal DbExistsExpression(DbSelectExpression subSelectExpression) 13 | { 14 | SubSelectExpression = subSelectExpression; 15 | } 16 | 17 | /// 18 | /// Gets the that is used as the sub query. 19 | /// 20 | public DbSelectExpression SubSelectExpression { get; private set; } 21 | 22 | /// 23 | /// Gets the of the . 24 | /// 25 | /// 26 | public override DbExpressionType ExpressionType 27 | { 28 | get { return DbExpressionType.Exists; } 29 | } 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbExpression.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace DbExpressions 4 | { 5 | /// 6 | /// Provides the base class from which the classes that represent expression tree nodes are derived. 7 | /// 8 | public abstract class DbExpression 9 | { 10 | private static readonly DbExpressionFactory ExpressionFactory = new DbExpressionFactory(); 11 | 12 | [ThreadStatic] 13 | private static DbQueryTranslator dbQueryTranslator; 14 | 15 | /// 16 | /// Gets the of the . 17 | /// 18 | public abstract DbExpressionType ExpressionType { get; } 19 | 20 | #region Operator Overloads 21 | 22 | /// 23 | /// Implements the operator ==. 24 | /// 25 | /// The left expression. 26 | /// The right expression. 27 | /// A instance. 28 | public static DbExpression operator ==(DbExpression leftExpression, DbExpression rightExpression) 29 | { 30 | return ExpressionFactory.Equal( 31 | leftExpression.IsNull() ? ExpressionFactory.Constant(null) : leftExpression, 32 | rightExpression.IsNull() ? ExpressionFactory.Constant(null) : rightExpression); 33 | } 34 | 35 | /// 36 | /// Implements the operator ==. 37 | /// 38 | /// The left expression. 39 | /// The value to be compared with . 40 | /// A instance. 41 | public static DbExpression operator ==(DbExpression leftExpression, object value) 42 | { 43 | return ExpressionFactory.Equal(leftExpression, ExpressionFactory.Constant(value)); 44 | } 45 | 46 | /// 47 | /// Implements the operator ==. 48 | /// 49 | /// The value to be compared with . 50 | /// The right expression. 51 | /// A instance. 52 | public static DbExpression operator ==(object value, DbExpression rightExpression) 53 | { 54 | return ExpressionFactory.Equal(ExpressionFactory.Constant(value), rightExpression); 55 | } 56 | 57 | /// 58 | /// Implements the operator !=. 59 | /// 60 | /// The left expression. 61 | /// The right expression. 62 | /// A instance. 63 | public static DbExpression operator !=(DbExpression leftExpression, DbExpression rightExpression) 64 | { 65 | return ExpressionFactory.NotEqual( 66 | leftExpression.IsNull() ? ExpressionFactory.Constant(null) : leftExpression, 67 | rightExpression.IsNull() ? ExpressionFactory.Constant(null) : rightExpression); 68 | } 69 | 70 | /// 71 | /// Implements the operator !=. 72 | /// 73 | /// The value to be compared with . 74 | /// The right expression. 75 | /// A instance. 76 | public static DbExpression operator !=(object value, DbExpression rightExpression) 77 | { 78 | return ExpressionFactory.NotEqual(ExpressionFactory.Constant(value), rightExpression); 79 | } 80 | 81 | /// 82 | /// Implements the operator !=. 83 | /// 84 | /// The left expression. 85 | /// The value to be compared with . 86 | /// A instance. 87 | public static DbExpression operator !=(DbExpression leftExpression, object value) 88 | { 89 | return ExpressionFactory.NotEqual(leftExpression, ExpressionFactory.Constant(value)); 90 | } 91 | 92 | /// 93 | /// Implements the operator >. 94 | /// 95 | /// The left expression. 96 | /// The right expression. 97 | /// A instance. 98 | public static DbExpression operator >(DbExpression leftExpression, DbExpression rightExpression) 99 | { 100 | return ExpressionFactory.GreaterThan(leftExpression, rightExpression); 101 | } 102 | 103 | /// 104 | /// Implements the less than operator. 105 | /// 106 | /// The left expression. 107 | /// The right expression. 108 | /// A instance. 109 | public static DbExpression operator <(DbExpression leftExpression, DbExpression rightExpression) 110 | { 111 | return ExpressionFactory.LessThan(leftExpression, rightExpression); 112 | } 113 | 114 | /// 115 | /// Implements the operator >. 116 | /// 117 | /// The left expression. 118 | /// The value to be compared with . 119 | /// A instance. 120 | public static DbExpression operator >(DbExpression leftExpression, object value) 121 | { 122 | return ExpressionFactory.GreaterThan(leftExpression, ExpressionFactory.Constant(value)); 123 | } 124 | 125 | /// 126 | /// Implements the less than operator. 127 | /// 128 | /// The left expression. 129 | /// The value to be compared with . 130 | /// A instance. 131 | public static DbExpression operator <(DbExpression leftExpression, object value) 132 | { 133 | return ExpressionFactory.LessThan(leftExpression, ExpressionFactory.Constant(value)); 134 | } 135 | 136 | /// 137 | /// Implements the less than operator. 138 | /// 139 | /// The value to be compared with . 140 | /// The right expression. 141 | /// A instance. 142 | public static DbExpression operator <(object value, DbExpression rightExpression) 143 | { 144 | return ExpressionFactory.LessThan(ExpressionFactory.Constant(value), rightExpression); 145 | } 146 | 147 | /// 148 | /// Implements the greater than operator. 149 | /// 150 | /// The value to be compared with . 151 | /// The right expression. 152 | /// A instance. 153 | public static DbExpression operator >(object value, DbExpression rightExpression) 154 | { 155 | return ExpressionFactory.GreaterThan(ExpressionFactory.Constant(value), rightExpression); 156 | } 157 | 158 | /// 159 | /// Implements the greater than or equal operator. 160 | /// 161 | /// The left expression. 162 | /// The right expression. 163 | /// A instance. 164 | public static DbExpression operator >=(DbExpression leftExpression, DbExpression rightExpression) 165 | { 166 | return ExpressionFactory.GreaterThanOrEqual(leftExpression, rightExpression); 167 | } 168 | 169 | /// 170 | /// Implements the less than or equal operator. 171 | /// 172 | /// The left expression. 173 | /// The right expression. 174 | /// A instance. 175 | public static DbExpression operator <=(DbExpression leftExpression, DbExpression rightExpression) 176 | { 177 | return ExpressionFactory.LessThanOrEqual(leftExpression, rightExpression); 178 | } 179 | 180 | /// 181 | /// Implements the greater or equal operator. 182 | /// 183 | /// The left expression. 184 | /// The value to be compared with . 185 | /// A instance. 186 | public static DbExpression operator >=(DbExpression leftExpression, object value) 187 | { 188 | return ExpressionFactory.GreaterThanOrEqual(leftExpression, ExpressionFactory.Constant(value)); 189 | } 190 | 191 | /// 192 | /// Implements the less than or equal operator. 193 | /// 194 | /// The left expression. 195 | /// The value to be compared with . 196 | /// A instance. 197 | public static DbExpression operator <=(DbExpression leftExpression, object value) 198 | { 199 | return ExpressionFactory.LessThanOrEqual(leftExpression, ExpressionFactory.Constant(value)); 200 | } 201 | 202 | /// 203 | /// Implements the less than or equal operator. 204 | /// 205 | /// The value to be compared with . 206 | /// The right expression. 207 | /// A instance. 208 | public static DbExpression operator <=(object value, DbExpression rightExpression) 209 | { 210 | return ExpressionFactory.LessThanOrEqual(ExpressionFactory.Constant(value), rightExpression); 211 | } 212 | 213 | /// 214 | /// Implements the operator >=. 215 | /// 216 | /// The value to be compared with . 217 | /// The right expression. 218 | /// A instance. 219 | public static DbExpression operator >=(object value, DbExpression rightExpression) 220 | { 221 | return ExpressionFactory.GreaterThanOrEqual(ExpressionFactory.Constant(value), rightExpression); 222 | } 223 | 224 | /// 225 | /// Implements the operator &. 226 | /// 227 | /// The left expression. 228 | /// The right expression. 229 | /// The result of the operator. 230 | public static DbExpression operator &(DbExpression leftExpression, DbExpression rightExpression) 231 | { 232 | return ExpressionFactory.And(leftExpression, rightExpression); 233 | } 234 | 235 | /// 236 | /// Implements the operator |;. 237 | /// 238 | /// The left expression. 239 | /// The right expression. 240 | /// The result of the operator. 241 | public static DbExpression operator |(DbExpression leftExpression, DbExpression rightExpression) 242 | { 243 | return ExpressionFactory.Or(leftExpression, rightExpression); 244 | } 245 | 246 | /// 247 | /// Determines whether the specified is equal to the current . 248 | /// 249 | /// 250 | /// true if the specified is equal to the current ; otherwise, false. 251 | /// 252 | /// The to compare with the current . 2 253 | public override bool Equals(object obj) 254 | { 255 | return obj.ToString() == ToString(); 256 | } 257 | 258 | /// 259 | /// Serves as a hash function for a particular type. 260 | /// 261 | /// 262 | /// A hash code for the current . 263 | /// 264 | /// 2 265 | public override int GetHashCode() 266 | { 267 | return ToString().GetHashCode(); 268 | } 269 | 270 | #endregion 271 | 272 | /// 273 | /// Returns a that represents this instance. 274 | /// 275 | /// 276 | /// A that represents this instance. 277 | /// 278 | public override string ToString() 279 | { 280 | InitializeQueryTranslator(); 281 | return dbQueryTranslator.Translate(this).Sql; 282 | } 283 | 284 | private static void InitializeQueryTranslator() 285 | { 286 | if (dbQueryTranslator == null) 287 | dbQueryTranslator = DbQueryTranslatorFactory.GetQueryTranslator(); 288 | } 289 | } 290 | } 291 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbFunctionExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents calling a built in function in the target DBMS. 5 | /// 6 | public class DbFunctionExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The of the . 12 | /// The arguments used when calling the function. 13 | internal DbFunctionExpression(DbFunctionExpressionType functionExpressionType, DbExpression[] arguments) 14 | { 15 | FunctionExpressionType = functionExpressionType; 16 | Arguments = arguments; 17 | } 18 | 19 | /// 20 | /// Gets the for this . 21 | /// 22 | public DbFunctionExpressionType FunctionExpressionType { get; private set; } 23 | 24 | /// 25 | /// Gets the arguments used to execute the method. 26 | /// 27 | public DbExpression[] Arguments { get; private set; } 28 | 29 | /// 30 | /// Gets the of the . 31 | /// 32 | public override DbExpressionType ExpressionType 33 | { 34 | get { return DbExpressionType.Function; } 35 | } 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbInExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents determining if a given value matches any value in a sub query or a list. 5 | /// 6 | public class DbInExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The target . 12 | /// The that either represents a sub query or a list of values. 13 | public DbInExpression(DbExpression target, DbExpression expression) 14 | { 15 | Target = target; 16 | Expression = expression; 17 | } 18 | 19 | /// 20 | /// Gets the target . 21 | /// 22 | public DbExpression Target { get; private set; } 23 | 24 | /// 25 | /// Gets the that either represents a sub query or a list of values. 26 | /// 27 | public DbExpression Expression { get; private set; } 28 | 29 | /// 30 | /// Gets the of the . 31 | /// 32 | /// 33 | public override DbExpressionType ExpressionType 34 | { 35 | get { return DbExpressionType.In; } 36 | } 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbInsertExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents an 'INSERT' database query. 5 | /// 6 | public class DbInsertExpression : DbQueryExpression 7 | { 8 | /// 9 | /// Gets the of the . 10 | /// 11 | /// 12 | public override DbExpressionType ExpressionType 13 | { 14 | get { return DbExpressionType.Insert; } 15 | } 16 | 17 | /// 18 | /// Gets or sets the target that represents the database table to insert into. 19 | /// 20 | public DbExpression Target { get; set; } 21 | 22 | /// 23 | /// Gets or sets the that represents the target columns for the insert statement. 24 | /// 25 | public DbExpression TargetColumns { get; set; } 26 | 27 | /// 28 | /// Gets or sets the that represents a value or a list of values to be inserted. 29 | /// 30 | public DbExpression Values { get; set; } 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbJoinExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a 'JOIN' in the query. 5 | /// 6 | public class DbJoinExpression : DbExpression 7 | { 8 | 9 | /// 10 | /// Initializes a new instance of the class. 11 | /// 12 | /// The that specifies the type of to create. 13 | /// The join target . 14 | /// The join condition. 15 | internal DbJoinExpression(DbJoinExpressionType joinExpressionType, DbExpression target, DbExpression condition) 16 | { 17 | JoinExpressionType = joinExpressionType; 18 | Target = target; 19 | Condition = condition; 20 | } 21 | 22 | /// 23 | /// Gets the of the . 24 | /// 25 | /// 26 | public override DbExpressionType ExpressionType 27 | { 28 | get { return DbExpressionType.Join; } 29 | } 30 | 31 | /// 32 | /// Specifies the type of . 33 | /// 34 | public DbJoinExpressionType JoinExpressionType{ get; private set; } 35 | 36 | /// 37 | /// Gets or sets the target 38 | /// 39 | public DbExpression Target { get; private set; } 40 | 41 | /// 42 | /// Specifies the condition on which the join is based 43 | /// 44 | public DbExpression Condition { get; private set; } 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbListExpression.cs: -------------------------------------------------------------------------------- 1 | using System.Collections; 2 | using System.Collections.Generic; 3 | 4 | namespace DbExpressions 5 | { 6 | /// 7 | /// Represents a list of instances. 8 | /// 9 | public class DbListExpression : DbExpression, IEnumerable 10 | { 11 | private readonly List _dbExpressions = new List(); 12 | 13 | /// 14 | /// Initializes a new instance of the class. 15 | /// 16 | internal DbListExpression() 17 | { 18 | } 19 | 20 | /// 21 | /// Initializes a new instance of the class. 22 | /// 23 | /// A that 24 | /// contains instances to be copied to the new list. 25 | internal DbListExpression(IEnumerable dbExpressions) 26 | { 27 | _dbExpressions.AddRange(dbExpressions); 28 | } 29 | 30 | 31 | /// 32 | /// Gets the of the . 33 | /// 34 | /// 35 | public override DbExpressionType ExpressionType 36 | { 37 | get { return DbExpressionType.List; } 38 | } 39 | 40 | /// 41 | /// Returns an enumerator that iterates through the collection. 42 | /// 43 | /// 44 | /// A that can be used to iterate through the collection. 45 | /// 46 | public IEnumerator GetEnumerator() 47 | { 48 | return _dbExpressions.GetEnumerator(); 49 | } 50 | 51 | /// 52 | /// Returns an enumerator that iterates through a collection. 53 | /// 54 | /// 55 | /// An object that can be used to iterate through the collection. 56 | /// 57 | IEnumerator IEnumerable.GetEnumerator() 58 | { 59 | return GetEnumerator(); 60 | } 61 | } 62 | } 63 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbMathematicalFunctionExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents calling a built in mathematical function in the target DBMS. 5 | /// 6 | public class DbMathematicalFunctionExpression : DbFunctionExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The of the . 12 | /// The arguments used when calling the function. 13 | internal DbMathematicalFunctionExpression(DbMathematicalFunctionExpressionType mathematicalFunctionExpressionType, DbExpression[] arguments) 14 | : base(DbFunctionExpressionType.Mathematical, arguments) 15 | { 16 | MathematicalFunctionExpressionType = mathematicalFunctionExpressionType; 17 | } 18 | 19 | /// 20 | /// Gets the for this . 21 | /// 22 | public DbMathematicalFunctionExpressionType MathematicalFunctionExpressionType { get; private set; } 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbOrderByExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents an element in the 'ORDER BY' clause of the query. 5 | /// 6 | public class DbOrderByExpression : DbExpression 7 | { 8 | /// 9 | /// Gets or sets the that represents an element in the 'ORDER BY' clause. 10 | /// 11 | public DbExpression Expression { get; set; } 12 | 13 | /// 14 | /// Gets or sets the that specifies the sort order 15 | /// used by this . 16 | /// 17 | public DbOrderByExpressionType OrderByExpressionType { get; set; } 18 | 19 | /// 20 | /// Gets the of the . 21 | /// 22 | public override DbExpressionType ExpressionType 23 | { 24 | get { return DbExpressionType.OrderBy; } 25 | } 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbPrefixExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a prefixed 5 | /// 6 | public class DbPrefixExpression : DbExpression 7 | { 8 | 9 | /// 10 | /// Initializes a new instance of the class. 11 | /// 12 | /// The target. 13 | /// the prefix to be used to reference the 14 | internal DbPrefixExpression(DbExpression target, string prefix) 15 | { 16 | Target = target; 17 | Prefix = prefix; 18 | } 19 | 20 | /// 21 | /// Gets the target to be prefixed. 22 | /// 23 | public DbExpression Target { get; private set; } 24 | 25 | 26 | /// 27 | /// Gets the prefix to be used to reference the 28 | /// 29 | public string Prefix { get; private set; } 30 | 31 | /// 32 | /// Gets the of the . 33 | /// 34 | /// 35 | public override DbExpressionType ExpressionType 36 | { 37 | get { return DbExpressionType.Prefix; } 38 | } 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbQuery.cs: -------------------------------------------------------------------------------- 1 | using System.Data; 2 | 3 | namespace DbExpressions 4 | { 5 | 6 | /// 7 | /// Provides the common interface for implementing 8 | /// 9 | public abstract class DbQuery : DbExpression 10 | { 11 | /// 12 | /// Returns the that the implementation operates on. 13 | /// 14 | /// 15 | /// This method may not be needed when proper covariance is added to the .Net framework. 16 | /// 17 | /// 18 | internal abstract DbQueryExpression GetQueryExpression(); 19 | 20 | } 21 | 22 | /// 23 | /// Provides the common interface for implementing 24 | /// 25 | /// 26 | public abstract class DbQuery : 27 | DbQuery where TQueryExpression:DbQueryExpression, new() 28 | { 29 | 30 | /// 31 | /// Initializes a new instance of the class. 32 | /// 33 | internal DbQuery() 34 | { 35 | QueryExpression = new TQueryExpression(); 36 | } 37 | 38 | /// 39 | /// Gets the of the . 40 | /// 41 | /// 42 | public override DbExpressionType ExpressionType 43 | { 44 | get { return DbExpressionType.Query; } 45 | } 46 | 47 | /// 48 | /// Gets or sets the that this operates on. 49 | /// 50 | internal TQueryExpression QueryExpression { get; set; } 51 | 52 | 53 | internal override DbQueryExpression GetQueryExpression() 54 | { 55 | return QueryExpression; 56 | } 57 | 58 | /// 59 | /// Translates the query into an executable instance using the default provider. 60 | /// 61 | /// 62 | public IDbCommand Translate() 63 | { 64 | var translator = DbQueryTranslatorFactory.GetQueryTranslator(); 65 | return translator.Translate(this).CreateCommand(); 66 | } 67 | 68 | /// 69 | /// Translates the query into an executable instance. 70 | /// 71 | /// The name of the provider used translate the query. 72 | /// 73 | public IDbCommand Translate(string providerName) 74 | { 75 | var translator = DbQueryTranslatorFactory.GetQueryTranslator(providerName); 76 | return translator.Translate(this).CreateCommand(); 77 | } 78 | } 79 | 80 | /// 81 | /// Represents a "SELECT" query. 82 | /// 83 | public class DbSelectQuery : DbQuery 84 | { 85 | 86 | } 87 | 88 | /// 89 | /// Represents an "UPDATE" query. 90 | /// 91 | public class DbUpdateQuery : DbQuery 92 | { 93 | 94 | } 95 | 96 | /// 97 | /// Represents an "UPDATE" query. 98 | /// 99 | public class DbInsertQuery : DbQuery 100 | { 101 | 102 | } 103 | 104 | /// 105 | /// Represents a "DELETE" query. 106 | /// 107 | public class DbDeleteQuery : DbQuery 108 | { 109 | 110 | } 111 | 112 | } 113 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbQueryExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Provides the base class from which the classes that represents database queries are derived. 5 | /// 6 | public abstract class DbQueryExpression : DbExpression 7 | { 8 | /// 9 | /// Gets or sets the that represents the 'FROM' clause of the query. 10 | /// 11 | public DbExpression FromExpression { get; set; } 12 | 13 | /// 14 | /// Gets or sets the that represents the 'WHERE' clause of the query. 15 | /// 16 | public DbExpression WhereExpression { get; set; } 17 | 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbSelectExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a 'SELECT' database query. 5 | /// 6 | public class DbSelectExpression : DbQueryExpression 7 | { 8 | /// 9 | /// Gets or sets the that represents the projection of the query. 10 | /// 11 | public DbExpression ProjectionExpression { get; set; } 12 | 13 | /// 14 | /// Gets or sets the that represents the 'GROUP BY' clause of the query. 15 | /// 16 | public DbExpression GroupByExpression { get; set; } 17 | 18 | /// 19 | /// Gets or sets the that represents the 'HAVING' clause of the query. 20 | /// 21 | public DbExpression HavingExpression { get; set; } 22 | 23 | /// 24 | /// Gets or sets the that represents the 'ORDER BY' clause of the query. 25 | /// 26 | public DbExpression OrderByExpression { get; set; } 27 | 28 | /// 29 | /// Gets or sets the that is used to limit the number of rows returned by the query. 30 | /// 31 | public DbExpression TakeExpression { get; set; } 32 | 33 | /// 34 | /// Gets or sets the that is used to bypass a number of rows in the result set. 35 | /// 36 | public DbExpression SkipExpression { get; set; } 37 | 38 | /// 39 | /// Gets or sets a value that indicate if this should be treated as a sub query. 40 | /// 41 | public bool IsSubQuery { get; set; } 42 | 43 | /// 44 | /// Gets or sets a value that indicate if this represents a distinct selection of rows. 45 | /// 46 | public bool IsDistinct { get; set; } 47 | 48 | /// 49 | /// Gets the of the . 50 | /// 51 | public override DbExpressionType ExpressionType 52 | { 53 | get { return DbExpressionType.Select; } 54 | } 55 | } 56 | } 57 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbSqlExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents the SQL fragment created when translating a 5 | /// 6 | public class DbSqlExpression : DbExpression 7 | { 8 | /// 9 | /// Initializes a new instance of the class. 10 | /// 11 | /// The SQL. 12 | public DbSqlExpression(string sql) 13 | { 14 | Sql = sql; 15 | } 16 | 17 | /// 18 | /// Gets the of the . 19 | /// 20 | /// 21 | public override DbExpressionType ExpressionType 22 | { 23 | get { return DbExpressionType.Sql; } 24 | } 25 | 26 | /// 27 | /// Gets the SQL that this represents. 28 | /// 29 | public string Sql { get; private set; } 30 | 31 | 32 | /// 33 | /// Returns a that represents this instance. 34 | /// 35 | /// 36 | /// A that represents this instance. 37 | /// 38 | public override string ToString() 39 | { 40 | return Sql; 41 | } 42 | } 43 | } 44 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbStringFunctionExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents calling a built in string function in the target DBMS. 5 | /// 6 | public class DbStringFunctionExpression : DbFunctionExpression 7 | { 8 | 9 | /// 10 | /// Initializes a new instance of the class. 11 | /// 12 | /// The of the . 13 | /// The arguments used when calling the function. 14 | internal DbStringFunctionExpression(DbStringFunctionExpressionType stringFunctionExpressionType, DbExpression[] arguments) : base(DbFunctionExpressionType.String, arguments) 15 | { 16 | StringFunctionExpressionType = stringFunctionExpressionType; 17 | } 18 | 19 | /// 20 | /// Gets the for this . 21 | /// 22 | public DbStringFunctionExpressionType StringFunctionExpressionType { get; private set; } 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbTableExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents a table reference in the query. 5 | /// 6 | public class DbTableExpression : DbExpression 7 | { 8 | 9 | /// 10 | /// Initializes a new instance of the class. 11 | /// 12 | /// The name of the table. 13 | internal DbTableExpression(string tableName) 14 | { 15 | TableName = tableName; 16 | } 17 | 18 | /// 19 | /// Gets the of the . 20 | /// 21 | /// 22 | public override DbExpressionType ExpressionType 23 | { 24 | get { return DbExpressionType.Table; } 25 | } 26 | 27 | /// 28 | /// Gets the name of the table. 29 | /// 30 | public string TableName { get; private set; } 31 | 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbUnaryExpression.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace DbExpressions 4 | { 5 | /// 6 | /// Represents a that has a unary operator. 7 | /// 8 | public class DbUnaryExpression : DbExpression 9 | { 10 | 11 | /// 12 | /// Initializes a new instance of the class. 13 | /// 14 | /// The that this represents. 15 | /// The that represents the unary operand. 16 | internal DbUnaryExpression(DbUnaryExpressionType unaryExpressionType, DbExpression operand) 17 | :this(unaryExpressionType,operand,null) {} 18 | 19 | /// 20 | /// Initializes a new instance of the class. 21 | /// 22 | /// The that this represents. 23 | /// The that represents the unary operand. 24 | /// The that specifies the type to convert to. 25 | internal DbUnaryExpression(DbUnaryExpressionType unaryExpressionType, DbExpression operand, Type targetType) 26 | { 27 | UnaryExpressionType = unaryExpressionType; 28 | Operand = operand; 29 | TargetType = targetType; 30 | } 31 | 32 | 33 | /// 34 | /// Gets the that represents the unary operand. 35 | /// 36 | public DbExpression Operand { get; private set; } 37 | 38 | /// 39 | /// Gets the that this represents. 40 | /// 41 | public DbUnaryExpressionType UnaryExpressionType { get; private set;} 42 | 43 | 44 | /// 45 | /// Gets the that specifies the type to be converted to 46 | /// 47 | public Type TargetType { get; private set; } 48 | 49 | 50 | /// 51 | /// Gets the of the . 52 | /// 53 | /// 54 | public override DbExpressionType ExpressionType 55 | { 56 | get { return DbExpressionType.Unary; } 57 | } 58 | } 59 | } 60 | -------------------------------------------------------------------------------- /DbExpressions/Expressions/DbUpdateExpression.cs: -------------------------------------------------------------------------------- 1 | namespace DbExpressions 2 | { 3 | /// 4 | /// Represents an 'UPDATE' database query. 5 | /// 6 | public class DbUpdateExpression : DbQueryExpression 7 | { 8 | /// 9 | /// Gets the of the . 10 | /// 11 | /// 12 | public override DbExpressionType ExpressionType 13 | { 14 | get { return DbExpressionType.Update; } 15 | } 16 | 17 | /// 18 | /// Gets or sets the target that represents the database table to be updated. 19 | /// 20 | public DbExpression Target { get; set; } 21 | 22 | /// 23 | /// Gets or sets the that represents assigning values 24 | /// to columns or variables. 25 | /// 26 | public DbExpression SetExpression { get; set; } 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /DbExpressions/Extensions/DbDeleteQueryExtensions.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace DbExpressions 4 | { 5 | /// 6 | /// Provides the fluent interface that targets a 'DELETE' query. 7 | /// 8 | public static class DbDeleteQueryExtensions 9 | { 10 | private static readonly DbExpressionFactory DbExpressionFactory = new DbExpressionFactory(); 11 | 12 | /// 13 | /// Creates a that is used to delete data from the database. 14 | /// 15 | /// The target . 16 | /// A used to 17 | /// specify the that represents the target table or view. 18 | /// A instance. 19 | public static DbDeleteQuery Delete(this DbDeleteQuery dbDeleteQuery, Func targetSelector) 20 | { 21 | return Delete(dbDeleteQuery, targetSelector(DbExpressionFactory)); 22 | } 23 | 24 | /// 25 | /// Creates a that is used to delete data from the database. 26 | /// 27 | /// The target . 28 | /// The that represents the target table or view. 29 | /// A instance. 30 | public static DbDeleteQuery Delete(this DbDeleteQuery dbDeleteQuery, DbExpression target) 31 | { 32 | dbDeleteQuery.QueryExpression.Target = target; 33 | return dbDeleteQuery; 34 | } 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /DbExpressions/Extensions/DbExpressionExtensions.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | 4 | namespace DbExpressions 5 | { 6 | /// 7 | /// Contains extension methods that targets the type. 8 | /// 9 | public static class DbExpressionExtensions 10 | { 11 | private static readonly DbExpressionFactory ExpressionFactory = new DbExpressionFactory(); 12 | 13 | /// 14 | /// Determines whether the specified is null. 15 | /// 16 | /// The target . 17 | /// 18 | /// true if the specified is null; otherwise, false. 19 | /// 20 | /// 21 | /// This method is needed because of the operator overloading between instances. 22 | /// 23 | public static bool IsNull(this DbExpression dbExpression) 24 | { 25 | return ((object)dbExpression) == null; 26 | } 27 | 28 | /// 29 | /// Returns a list of instances that matches the . 30 | /// 31 | /// The type of to search for. 32 | /// The that represents the sub tree for which to start searching. 33 | /// The used to filter the result. 34 | /// A list of instances that matches the given predicate. 35 | public static IEnumerable Find(this DbExpression expression, Func predicate) where TDbExpression : DbExpression 36 | { 37 | var finder = new DbExpressionFinder(); 38 | return finder.Find(expression, predicate); 39 | } 40 | 41 | /// 42 | /// Searches for expressions using the given and replaces matches with 43 | /// the result from the delegate. 44 | /// 45 | /// The type of to search for. 46 | /// The that represents the sub tree 47 | /// for which to start searching. 48 | /// The used to filter the result. 49 | /// The used to specify the replacement expression. 50 | /// The modified tree. 51 | public static DbExpression Replace(this DbExpression dbExpression, Func predicate, Func replaceWith) where TDbExpression : DbExpression 52 | { 53 | var replacer = new DbExpressionReplacer(); 54 | return replacer.Replace(dbExpression, predicate, replaceWith); 55 | } 56 | 57 | /// 58 | /// Creates a new for the target . 59 | /// 60 | /// The to be aliased. 61 | /// The alias. 62 | /// A instance. 63 | public static DbAliasExpression As(this DbExpression dbExpression, string alias) 64 | { 65 | return ExpressionFactory.Alias(dbExpression, alias); 66 | } 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /DbExpressions/Extensions/DbInsertQueryExtensions.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Linq; 3 | 4 | namespace DbExpressions 5 | { 6 | /// 7 | /// Provides the fluent interface that targets an 'INSERT' query. 8 | /// 9 | public static class DbInsertQueryExtensions 10 | { 11 | private static readonly DbExpressionFactory DbExpressionFactory = new DbExpressionFactory(); 12 | 13 | /// 14 | /// Creates a that is used to insert data into the database. 15 | /// 16 | /// The target . 17 | /// A used to 18 | /// specify the that represents the target table or view. 19 | /// A instance. 20 | public static DbInsertQuery Insert(this DbInsertQuery dbInsertQuery, Func targetSelector) 21 | { 22 | return Insert(dbInsertQuery, targetSelector(DbExpressionFactory)); 23 | } 24 | 25 | /// 26 | /// Creates a that is used to insert data into the database. 27 | /// 28 | /// The target . 29 | /// The that represents the target table or view. 30 | /// A instance. 31 | public static DbInsertQuery Insert(this DbInsertQuery dbInsertQuery, DbExpression target) 32 | { 33 | dbInsertQuery.QueryExpression.Target = target; 34 | return dbInsertQuery; 35 | } 36 | 37 | /// 38 | /// Specifies the target columns. 39 | /// 40 | /// The target . 41 | /// A function used to specify the target columns. 42 | /// A instance. 43 | public static DbInsertQuery Columns(this DbInsertQuery dbInsertQuery, params Func[] columnSelector) 44 | { 45 | return Columns(dbInsertQuery, DbExpressionFactory.List(columnSelector.Select(e => e(DbExpressionFactory)))); 46 | } 47 | 48 | /// 49 | /// Specifies the target columns. 50 | /// 51 | /// The target . 52 | /// The that represents the target columns. 53 | /// A instance. 54 | public static DbInsertQuery Columns(this DbInsertQuery dbInsertQuery, DbExpression columnsExpression) 55 | { 56 | dbInsertQuery.QueryExpression.TargetColumns = columnsExpression; 57 | return dbInsertQuery; 58 | } 59 | 60 | /// 61 | /// Specifies the values to be inserted. 62 | /// 63 | /// The target . 64 | /// A used to specify the values to be inserted. 65 | /// A instance. 66 | public static DbQuery Values(this DbQuery dbInsertQuery, params Func[] valueSelector) 67 | { 68 | return Values(dbInsertQuery, DbExpressionFactory.List(valueSelector.Select(e => e(DbExpressionFactory)))); 69 | } 70 | 71 | /// 72 | /// Specifies the values to be inserted. 73 | /// 74 | /// The target . 75 | /// The that represents the values to be inserted. 76 | /// A instance. 77 | public static DbQuery Values(this DbQuery dbInsertQuery, DbExpression valuesExpression) 78 | { 79 | dbInsertQuery.QueryExpression.Values = valuesExpression; 80 | return dbInsertQuery; 81 | } 82 | } 83 | } 84 | -------------------------------------------------------------------------------- /DbExpressions/Extensions/DbQueryExtensions.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace DbExpressions 4 | { 5 | /// 6 | /// Represents the fluent interface that applies to all query types (SELECT,INSERT, UPDATE AND DELETE) 7 | /// 8 | public static class DbQueryExtensions 9 | { 10 | 11 | private static readonly DbExpressionFactory DbExpressionFactory = new DbExpressionFactory(); 12 | 13 | 14 | /// 15 | /// Specifies the tables, views, derived tables, and joined tables used in DELETE, SELECT, and UPDATE statements. 16 | /// 17 | /// The target 18 | /// A to specify the . 19 | /// 20 | public static DbQuery From(this DbQuery query, Func expressionSelector) 21 | where TQueryExpression : DbQueryExpression, new() 22 | { 23 | return From(query,expressionSelector(DbExpressionFactory)); 24 | } 25 | 26 | /// 27 | /// Specifies the tables, views, derived tables, and joined tables used in DELETE, SELECT, and UPDATE statements. 28 | /// 29 | /// The target 30 | /// A that represents the from clause. 31 | /// 32 | public static DbQuery From(this DbQuery query, DbExpression expression) 33 | where TQueryExpression : DbQueryExpression, new() 34 | { 35 | var dbExpression = expression; 36 | if (!query.QueryExpression.FromExpression.IsNull()) 37 | if (dbExpression.ExpressionType == DbExpressionType.Join) 38 | dbExpression = DbExpressionFactory.Concat(query.QueryExpression.FromExpression, dbExpression); 39 | else 40 | dbExpression = DbExpressionFactory.List(new[] {query.QueryExpression.FromExpression, expression }); 41 | query.QueryExpression.FromExpression = dbExpression; 42 | return query; 43 | } 44 | 45 | 46 | /// 47 | /// Creates a between the current 'FROM' clause and the expression returned by the functor. 48 | /// 49 | /// Specifies the type of join expression. 50 | /// The target 51 | /// The target join expression. 52 | /// A that specifies the join condition. 53 | /// 54 | public static DbQuery Join(this DbQuery query, 55 | DbJoinExpressionType joinExpressionType, Func target, 56 | Func condition) where TQueryExpression : DbQueryExpression, new() 57 | { 58 | return Join(query,joinExpressionType, target(DbExpressionFactory), condition(DbExpressionFactory)); 59 | } 60 | 61 | /// 62 | /// Creates a between the current 'FROM' clause and the expression returned by the functor. 63 | /// 64 | /// Specifies the type of join expression. 65 | /// The target 66 | /// The target join expression. 67 | /// A that specifies the join condition. 68 | /// 69 | public static DbQuery Join(this DbQuery query, 70 | DbJoinExpressionType joinExpressionType, DbExpression target, 71 | DbExpression condition) where TQueryExpression : DbQueryExpression, new() 72 | { 73 | 74 | var dbExpression = (DbExpression)DbExpressionFactory.MakeJoin(joinExpressionType, target, condition); 75 | if (!query.QueryExpression.FromExpression.IsNull()) 76 | dbExpression = DbExpressionFactory.Concat(query.QueryExpression.FromExpression, dbExpression); 77 | query.QueryExpression.FromExpression = dbExpression; 78 | return query; 79 | } 80 | 81 | 82 | /// 83 | /// Creates an 'INNER JOIN' between the current 'FROM' clause and the expression returned by the functor. 84 | /// 85 | /// The target 86 | /// The target join expression. 87 | /// A that specifies the join condition. 88 | /// 89 | public static DbQuery InnerJoin(this DbQuery query, 90 | Func target, Func condition) 91 | where TQueryExpression : DbQueryExpression, new() 92 | { 93 | return Join(query,DbJoinExpressionType.InnerJoin, target, condition); 94 | } 95 | 96 | /// 97 | /// Creates an 'INNER JOIN' between the current 'FROM' clause and the expression returned by the functor. 98 | /// 99 | /// The target 100 | /// The target join expression. 101 | /// A that specifies the join condition. 102 | /// 103 | public static DbQuery InnerJoin(this DbQuery query, 104 | DbExpression target, DbExpression condition) 105 | where TQueryExpression : DbQueryExpression, new() 106 | { 107 | return Join(query, DbJoinExpressionType.InnerJoin, target, condition); 108 | } 109 | 110 | /// 111 | /// Creates an 'LEFT OUTER JOIN' between the current 'FROM' clause and the expression returned by the functor. 112 | /// 113 | /// The target 114 | /// The target join expression. 115 | /// A that specifies the join condition. 116 | /// 117 | public static DbQuery LeftOuterJoin(this DbQuery query, 118 | Func target, Func condition) 119 | where TQueryExpression : DbQueryExpression, new() 120 | { 121 | return Join(query,DbJoinExpressionType.LeftOuterJoin, target, condition); 122 | } 123 | 124 | /// 125 | /// Creates an 'LEFT OUTER JOIN' between the current 'FROM' clause and the expression returned by the functor. 126 | /// 127 | /// The target 128 | /// The target join expression. 129 | /// A that specifies the join condition. 130 | /// 131 | public static DbQuery LeftOuterJoin(this DbQuery query, 132 | DbExpression target, DbExpression condition) 133 | where TQueryExpression : DbQueryExpression, new() 134 | { 135 | return Join(query, DbJoinExpressionType.LeftOuterJoin, target, condition); 136 | } 137 | 138 | /// 139 | /// Creates an 'RIGHT OUTER JOIN' between the current 'FROM' clause and the expression returned by the functor. 140 | /// 141 | /// The target 142 | /// The target join expression. 143 | /// A that specifies the join condition. 144 | /// 145 | public static DbQuery RightOuterJoin(this DbQuery query, 146 | Func target, Func condition) 147 | where TQueryExpression : DbQueryExpression, new() 148 | { 149 | return Join(query,DbJoinExpressionType.RightOuterJoin, target, condition); 150 | } 151 | 152 | 153 | /// 154 | /// Creates an 'RIGHT OUTER JOIN' between the current 'FROM' clause and the expression returned by the functor. 155 | /// 156 | /// The target 157 | /// The target join expression. 158 | /// A that specifies the join condition. 159 | /// 160 | public static DbQuery RightOuterJoin(this DbQuery query, 161 | DbExpression target, DbExpression condition) 162 | where TQueryExpression : DbQueryExpression, new() 163 | { 164 | return Join(query, DbJoinExpressionType.RightOuterJoin, target, condition); 165 | } 166 | 167 | /// 168 | /// Specifies the search condition for the rows returned by the query. 169 | /// 170 | /// The target 171 | /// A to specify the . 172 | /// 173 | public static DbQuery Where(this DbQuery query, 174 | Func expressionSelector) 175 | where TQueryExpression : DbQueryExpression, new() 176 | { 177 | return Where(query,expressionSelector(DbExpressionFactory)); 178 | } 179 | 180 | /// 181 | /// Specifies the search condition for the rows returned by the query. 182 | /// 183 | /// The target 184 | /// The that makes up the search condition. 185 | /// 186 | public static DbQuery Where(this DbQuery query,DbExpression dbExpression) 187 | where TQueryExpression : DbQueryExpression, new() 188 | { 189 | if (!query.QueryExpression.WhereExpression.IsNull()) 190 | dbExpression = DbExpressionFactory.And(query.QueryExpression.WhereExpression, dbExpression); 191 | query.QueryExpression.WhereExpression = dbExpression; 192 | return query; 193 | } 194 | 195 | 196 | } 197 | } 198 | -------------------------------------------------------------------------------- /DbExpressions/Extensions/DbSelectQueryExtensions.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Linq; 3 | 4 | namespace DbExpressions 5 | { 6 | /// 7 | /// Provides the fluent interface that targets a 'SELECT' query. 8 | /// 9 | public static class DbSelectQueryExtensions 10 | { 11 | 12 | private static readonly DbExpressionFactory DbExpressionFactory = new DbExpressionFactory(); 13 | 14 | /// 15 | /// Specifies the projecton of the query. 16 | /// 17 | /// The target 18 | /// A used to specify the that represents the projection. 19 | /// 20 | public static DbSelectQuery Select(this DbSelectQuery dbSelectQuery, params Func[] expressionSelector) 21 | { 22 | return Select(dbSelectQuery, DbExpressionFactory.List(expressionSelector.Select(e => e(DbExpressionFactory)))); 23 | } 24 | 25 | /// 26 | /// Specifies the projecton of the query. 27 | /// 28 | /// The target 29 | /// A used to specify the that represents the projection. 30 | /// 31 | public static DbSelectQuery SelectDistinct(this DbSelectQuery dbSelectQuery, params Func[] expressionSelector) 32 | { 33 | return SelectDistinct(dbSelectQuery, DbExpressionFactory.List(expressionSelector.Select(e => e(DbExpressionFactory)))); 34 | } 35 | 36 | /// 37 | /// Specifies the projection of the query. 38 | /// 39 | /// The target 40 | /// The that represents the projection. 41 | /// 42 | public static DbSelectQuery Select(this DbSelectQuery dbSelectQuery, DbExpression expression) 43 | { 44 | dbSelectQuery.QueryExpression.ProjectionExpression = expression; 45 | return dbSelectQuery; 46 | } 47 | 48 | /// 49 | /// Specifies the projection of the query. 50 | /// 51 | /// The target 52 | /// The that represents the projection. 53 | /// 54 | public static DbSelectQuery SelectDistinct(this DbSelectQuery dbSelectQuery, DbExpression expression) 55 | { 56 | dbSelectQuery.QueryExpression.ProjectionExpression = expression; 57 | dbSelectQuery.QueryExpression.IsDistinct = true; 58 | return dbSelectQuery; 59 | } 60 | 61 | 62 | 63 | /// 64 | /// Creates a that represents ordering the result set. 65 | /// 66 | /// The target . 67 | /// A function used to specify an element in the 'ORDER BY' clause. 68 | /// Specifies the sort order direction. 69 | /// 70 | public static DbQuery OrderBy(this DbQuery dbSelectQuery, Func expressionSelector, DbOrderByExpressionType orderByExpressionType) 71 | { 72 | var dbExpression = (DbExpression)DbExpressionFactory.MakeOrderBy(orderByExpressionType, expressionSelector(DbExpressionFactory)); 73 | if (!dbSelectQuery.QueryExpression.OrderByExpression.IsNull()) 74 | dbExpression = DbExpressionFactory.List(new[] { dbSelectQuery.QueryExpression.OrderByExpression, dbExpression }); 75 | dbSelectQuery.QueryExpression.OrderByExpression = dbExpression; 76 | return dbSelectQuery; 77 | } 78 | 79 | /// 80 | /// Creates a new that represents an ascending ordering of the result set. 81 | /// 82 | /// The target . 83 | /// A function used to specify an element in the 'ORDER BY' clause. 84 | public static DbQuery OrderByAscending(this DbQuery dbSelectQuery, Func expressionSelector) 85 | { 86 | return OrderBy(dbSelectQuery, expressionSelector, DbOrderByExpressionType.Ascending); 87 | } 88 | 89 | /// 90 | /// Creates a new that represents an descending ordering of the result set. 91 | /// 92 | /// The target . 93 | /// A function used to specify an element in the 'ORDER BY' clause. 94 | public static DbQuery OrderByDescending(this DbQuery dbSelectQuery, Func expressionSelector) 95 | { 96 | return OrderBy(dbSelectQuery, expressionSelector, DbOrderByExpressionType.Ascending); 97 | } 98 | 99 | /// 100 | /// Limits the numbers of rows returned by the query. 101 | /// 102 | /// The target . 103 | /// A function used to create a that the number of rows to return. 104 | /// 105 | public static DbQuery Take(this DbQuery dbSelectQuery, Func expressionSelector) 106 | { 107 | dbSelectQuery.QueryExpression.TakeExpression = expressionSelector(DbExpressionFactory); 108 | return dbSelectQuery; 109 | } 110 | 111 | /// 112 | /// Limits the numbers of rows returned by the query. 113 | /// 114 | /// The target . 115 | /// The number of rows to return. 116 | /// 117 | public static DbQuery Take(this DbQuery dbSelectQuery, int count) 118 | { 119 | dbSelectQuery.QueryExpression.TakeExpression = DbExpressionFactory.Constant(count); 120 | return dbSelectQuery; 121 | 122 | } 123 | 124 | /// 125 | /// Bypasses a specified number of rows in the result set. 126 | /// 127 | /// The target . 128 | /// A function used to create a that the number of rows to bypass. 129 | /// 130 | public static DbQuery Skip(this DbQuery dbSelectQuery, Func expressionSelector) 131 | { 132 | dbSelectQuery.QueryExpression.SkipExpression = expressionSelector(DbExpressionFactory); 133 | return dbSelectQuery; 134 | } 135 | 136 | 137 | /// 138 | /// Bypasses a specified number of rows in the result set. 139 | /// 140 | /// The target . 141 | /// The number of rows to bypass in the result set 142 | /// 143 | public static DbQuery Skip(this DbQuery dbSelectQuery, int count) 144 | { 145 | dbSelectQuery.QueryExpression.SkipExpression = DbExpressionFactory.Constant(count); 146 | return dbSelectQuery; 147 | } 148 | 149 | /// 150 | /// Collects data across multiple records and group the results by one or more columns. 151 | /// 152 | /// The target . 153 | /// A function used to specify an element in the 'GROUP BY' clause. 154 | /// 155 | public static DbQuery GroupBy(this DbQuery dbSelectQuery, Func expressionSelector) 156 | { 157 | var dbExpression = expressionSelector(DbExpressionFactory); 158 | if (!dbSelectQuery.QueryExpression.GroupByExpression.IsNull()) 159 | dbExpression = DbExpressionFactory.List(new[] { dbSelectQuery.QueryExpression.GroupByExpression, dbExpression }); 160 | dbSelectQuery.QueryExpression.GroupByExpression = dbExpression; 161 | return dbSelectQuery; 162 | } 163 | 164 | /// 165 | /// Specifies a search condition for a group or an aggregate. 166 | /// 167 | /// The target . 168 | /// A function used to specify the 'HAVING' expression. 169 | /// 170 | public static DbQuery Having(this DbQuery dbSelectQuery, Func expressionSelector) 171 | { 172 | var dbExpression = expressionSelector(DbExpressionFactory); 173 | if (!dbSelectQuery.QueryExpression.HavingExpression.IsNull()) 174 | dbExpression = DbExpressionFactory.List(new[] { dbSelectQuery.QueryExpression.HavingExpression, dbExpression }); 175 | dbSelectQuery.QueryExpression.HavingExpression = dbExpression; 176 | return dbSelectQuery; 177 | } 178 | 179 | 180 | 181 | 182 | } 183 | } 184 | -------------------------------------------------------------------------------- /DbExpressions/Extensions/DbUpdateQueryExtensions.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace DbExpressions 4 | { 5 | /// 6 | /// Provides the fluent interface that targets an 'UPDATE' query. 7 | /// 8 | public static class DbUpdateQueryExtensions 9 | { 10 | 11 | private static readonly DbExpressionFactory DbExpressionFactory = new DbExpressionFactory(); 12 | 13 | 14 | /// 15 | /// Specifies the target table to update. 16 | /// 17 | /// The target 18 | /// The that represents the target table or view. 19 | /// 20 | public static DbUpdateQuery Update(this DbUpdateQuery dbUpdateQuery, DbExpression target) 21 | { 22 | dbUpdateQuery.QueryExpression.Target = target; 23 | return dbUpdateQuery; 24 | } 25 | 26 | /// 27 | /// Specifies the target table to update. 28 | /// 29 | /// The target 30 | /// A used to 31 | /// specify the that represents the target table or view. 32 | /// 33 | public static DbUpdateQuery Update(this DbUpdateQuery dbUpdateQuery, Func targetSelector) 34 | { 35 | return Update(dbUpdateQuery, targetSelector(DbExpressionFactory)); 36 | } 37 | 38 | /// 39 | /// Specifies the column to be updated. 40 | /// 41 | /// The target . 42 | /// A function used to specify the column to be updated. 43 | /// A function used to specify the new value. 44 | /// 45 | public static DbQuery Set(this DbQuery dbUpdateQuery, 46 | Func columnSelector, Func valueSelector) 47 | { 48 | return Set(dbUpdateQuery,columnSelector(DbExpressionFactory), valueSelector(DbExpressionFactory)); 49 | } 50 | 51 | /// 52 | /// Specifies the column to be updated. 53 | /// 54 | /// The target . 55 | /// A function used to specify the column to be updated. 56 | /// The new value. 57 | /// 58 | public static DbQuery Set(this DbQuery dbUpdateQuery, Func columnSelector, object value) 59 | { 60 | return Set(dbUpdateQuery,columnSelector(DbExpressionFactory), DbExpressionFactory.Constant(value)); 61 | } 62 | 63 | /// 64 | /// Specifies the column to be updated. 65 | /// 66 | /// The target . 67 | /// The that represents the target table or view. 68 | /// The that represents the new value. 69 | /// 70 | public static DbQuery Set(this DbQuery dbUpdateQuery, DbExpression target, DbExpression valueExpression) 71 | { 72 | var dbExpression = (DbExpression)DbExpressionFactory.Assign(target, valueExpression); 73 | if (!dbUpdateQuery.QueryExpression.SetExpression.IsNull()) 74 | dbExpression = DbExpressionFactory.List(new[] { dbUpdateQuery.QueryExpression.SetExpression, dbExpression }); 75 | dbUpdateQuery.QueryExpression.SetExpression = dbExpression; 76 | return dbUpdateQuery; 77 | } 78 | 79 | 80 | } 81 | } 82 | -------------------------------------------------------------------------------- /DbExpressions/Extensions/StringBuilderExtensions.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | using System.Linq; 4 | using System.Text; 5 | 6 | namespace DbExpressions 7 | { 8 | /// 9 | /// Extends the class. 10 | /// 11 | public static class StringBuilderExtensions 12 | { 13 | /// 14 | /// Appends the string returned by processing a composite format string, which contains zero or more format items, to this instance. 15 | /// Each format item is replaced by the string representation of a corresponding object argument. 16 | /// 17 | /// The target instance. 18 | /// The indent level to use 19 | /// A composite format string. 20 | /// An array of objects to format. 21 | public static void AppendFormat(this StringBuilder stringBuilder, int indentLevel, string format, params object[] arguments) 22 | { 23 | for (int i = 0; i < indentLevel; i++) 24 | { 25 | stringBuilder.Append("\t"); 26 | } 27 | stringBuilder.AppendFormat(format, arguments); 28 | } 29 | 30 | /// 31 | /// Appends the default line terminator, or a copy of a specified string and the default line terminator, to the end of this instance. 32 | /// 33 | /// The target instance. 34 | /// The indent level to use 35 | /// A composite format string. 36 | /// An array of objects to format. 37 | public static void AppendLine(this StringBuilder stringBuilder, int indentLevel, string format, params object[] arguments) 38 | { 39 | AppendFormat(stringBuilder, indentLevel, format, arguments); 40 | stringBuilder.AppendLine(); 41 | } 42 | 43 | /// 44 | /// Appends the default line terminator, or a copy of a specified string and the default line terminator, to the end of this instance. 45 | /// 46 | /// The target instance. 47 | /// The indent level to use 48 | /// 49 | public static void AppendLine(this StringBuilder stringBuilder, int indentLevel, string value) 50 | { 51 | for (int i = 0; i < indentLevel; i++) 52 | { 53 | stringBuilder.Append("\t"); 54 | } 55 | stringBuilder.AppendLine(value); 56 | } 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /DbExpressions/Properties/AssemblyInfo.cs: -------------------------------------------------------------------------------- 1 | using System.Reflection; 2 | using System.Runtime.CompilerServices; 3 | using System.Runtime.InteropServices; 4 | using System.Security; 5 | 6 | // General Information about an assembly is controlled through the following 7 | // set of attributes. Change these attribute values to modify the information 8 | // associated with an assembly. 9 | [assembly: AssemblyTitle("DbExpressions")] 10 | [assembly: AssemblyDescription("")] 11 | [assembly: AssemblyConfiguration("")] 12 | [assembly: AssemblyCompany("Microsoft")] 13 | [assembly: AssemblyProduct("DbExpressions")] 14 | [assembly: AssemblyCopyright("Copyright © Microsoft 2011")] 15 | [assembly: AssemblyTrademark("")] 16 | [assembly: AssemblyCulture("")] 17 | 18 | // Setting ComVisible to false makes the types in this assembly not visible 19 | // to COM components. If you need to access a type in this assembly from 20 | // COM, set the ComVisible attribute to true on that type. 21 | [assembly: ComVisible(false)] 22 | 23 | // The following GUID is for the ID of the typelib if this project is exposed to COM 24 | [assembly: Guid("37a44f70-1ee6-47dd-8e09-420d88a861a2")] 25 | 26 | // Version information for an assembly consists of the following four values: 27 | // 28 | // Major Version 29 | // Minor Version 30 | // Build Number 31 | // Revision 32 | // 33 | // You can specify all the values or you can default the Build and Revision Numbers 34 | // by using the '*' as shown below: 35 | // [assembly: AssemblyVersion("1.0.*")] 36 | [assembly: AssemblyVersion("1.0.0.4")] 37 | [assembly: AssemblyFileVersion("1.0.0.4")] 38 | //Need this because know bug in Configuration Manager 39 | //http://social.msdn.microsoft.com/Forums/en-US/clr/thread/1e14f665-10a3-426b-a75d-4e66354c5522 40 | 41 | [assembly: AllowPartiallyTrustedCallers()] 42 | -------------------------------------------------------------------------------- /DbExpressions/Settings.StyleCop: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | False 8 | 9 | 10 | 11 | 12 | False 13 | 14 | 15 | 16 | 17 | False 18 | 19 | 20 | 21 | 22 | False 23 | 24 | 25 | 26 | 27 | False 28 | 29 | 30 | 31 | 32 | False 33 | 34 | 35 | 36 | 37 | False 38 | 39 | 40 | 41 | 42 | False 43 | 44 | 45 | 46 | 47 | True 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | False 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | False 68 | 69 | 70 | 71 | 72 | False 73 | 74 | 75 | 76 | 77 | 78 | db 79 | Db 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | False 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | False 98 | 99 | 100 | 101 | 102 | 103 | 104 | -------------------------------------------------------------------------------- /DbExpressions/Visitors/DbExpressionFinder.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | using System.Collections.Generic; 3 | 4 | namespace DbExpressions 5 | { 6 | /// 7 | /// A class used to search for instances. 8 | /// 9 | /// The type of to search for. 10 | public class DbExpressionFinder : DbExpressionVisitor where TDbExpression : DbExpression 11 | { 12 | private readonly IList _result = new List(); 13 | private Func _predicate; 14 | 15 | /// 16 | /// Returns a list of instances that matches the . 17 | /// 18 | /// The that represents the sub tree for which to start searching. 19 | /// The used to filter the result. 20 | /// A list of instances that matches the given predicate. 21 | public IEnumerable Find(DbExpression expression, Func predicate) 22 | { 23 | _result.Clear(); 24 | _predicate = predicate; 25 | Visit(expression); 26 | return _result; 27 | } 28 | 29 | /// 30 | /// Visits each node of the tree checks 31 | /// if the current expression matches the predicate. 32 | /// 33 | /// The currently being visited. 34 | /// A instance. 35 | public override DbExpression Visit(DbExpression dbExpression) 36 | { 37 | if (!dbExpression.IsNull() && dbExpression.GetType() == typeof(TDbExpression)) 38 | { 39 | if (_predicate((TDbExpression)dbExpression)) 40 | _result.Add((TDbExpression)dbExpression); 41 | } 42 | 43 | return base.Visit(dbExpression); 44 | } 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /DbExpressions/Visitors/DbExpressionReplacer.cs: -------------------------------------------------------------------------------- 1 | using System; 2 | 3 | namespace DbExpressions 4 | { 5 | /// 6 | /// A class that is capable of doing a find and replace in an tree. 7 | /// 8 | /// The type of to find and replace. 9 | public class DbExpressionReplacer : DbExpressionVisitor where TDbExpression : DbExpression 10 | { 11 | private Func _replaceWith; 12 | private Func _predicate; 13 | 14 | /// 15 | /// Searches for expressions using the given and 16 | /// replaces matches with the result from the delegate. 17 | /// 18 | /// The that 19 | /// represents the sub tree for which to start searching. 20 | /// The used to filter the result. 21 | /// The 22 | /// used to specify the replacement expression. 23 | /// The modified tree. 24 | public DbExpression Replace(DbExpression expression, Func predicate, Func replaceWith) 25 | { 26 | _replaceWith = replaceWith; 27 | _predicate = predicate; 28 | return Visit(expression); 29 | } 30 | 31 | /// 32 | /// Visits each node of the tree checks 33 | /// if the current expression matches the predicate. If a match is found 34 | /// the expression will be replaced. 35 | /// 36 | /// The currently being visited. 37 | /// The modified tree. 38 | public override DbExpression Visit(DbExpression expression) 39 | { 40 | if (!expression.IsNull() && expression is TDbExpression) 41 | if (_predicate((TDbExpression)expression)) 42 | return _replaceWith((TDbExpression)expression); 43 | return base.Visit(expression); 44 | } 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /DbExpressions/Visitors/Translators/DbQueryTranslator.cs: -------------------------------------------------------------------------------- 1 | using System.Collections.Generic; 2 | using System.Data; 3 | using System.Data.Common; 4 | 5 | namespace DbExpressions 6 | { 7 | /// 8 | /// Provides a base class for database-specific implementations. 9 | /// 10 | public abstract class DbQueryTranslator : DbExpressionVisitor 11 | { 12 | 13 | private readonly DbCommandBuilder _commandBuilder; 14 | private readonly DbProviderFactory _providerFactory; 15 | 16 | 17 | /// 18 | /// Initializes a new instance of the class. 19 | /// 20 | /// 21 | protected DbQueryTranslator(DbProviderFactory providerFactory) 22 | { 23 | _providerFactory = providerFactory; 24 | _commandBuilder = _providerFactory.CreateCommandBuilder(); 25 | Parameters = new List(); 26 | } 27 | 28 | /// 29 | /// Translates the into a instance. 30 | /// 31 | /// The to translate. 32 | /// 33 | public virtual DbTranslateResult Translate(DbExpression dbExpression) 34 | { 35 | Parameters.Clear(); 36 | var sqlExpression = Visit(dbExpression); 37 | var translateResult = new DbTranslateResult(((DbSqlExpression)sqlExpression).Sql,Parameters,_providerFactory); 38 | return translateResult; 39 | } 40 | 41 | /// 42 | /// Gets a list of instances. 43 | /// 44 | protected IList Parameters { get; private set; } 45 | 46 | /// 47 | /// Quotes the . 48 | /// 49 | /// The original unquoted identifier. 50 | /// 51 | protected virtual string QuoteIdentifier(string unquotedIdentifier) 52 | { 53 | return _commandBuilder.QuoteIdentifier(unquotedIdentifier); 54 | } 55 | 56 | /// 57 | /// Creates a new used in the result of the query translation. 58 | /// 59 | /// The name of the parameter. 60 | /// The parameter value. 61 | protected virtual void CreateParameter(string name, object value) 62 | { 63 | var parameter = _providerFactory.CreateParameter(); 64 | parameter.ParameterName = name; 65 | parameter.Value = value; 66 | Parameters.Add(parameter); 67 | } 68 | } 69 | } 70 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2018 Greeng0 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /Local.testsettings: -------------------------------------------------------------------------------- 1 |  2 | 3 | These are default test settings for a local test run. 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /README: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/seesharper/DbExpressions/3d49ef2bde395191cdc65573da42df04df91f3c5/README -------------------------------------------------------------------------------- /TraceAndTestImpact.testsettings: -------------------------------------------------------------------------------- 1 |  2 | 3 | These are test settings for Trace and Test Impact. 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | --------------------------------------------------------------------------------