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| author | polo <ordipolo@gmx.fr> | 2024-08-13 23:45:21 +0200 |
|---|---|---|
| committer | polo <ordipolo@gmx.fr> | 2024-08-13 23:45:21 +0200 |
| commit | bf6655a534a6775d30cafa67bd801276bda1d98d (patch) | |
| tree | c6381e3f6c81c33eab72508f410b165ba05f7e9c /vendor/doctrine/dbal/src/Platforms/DB2Platform.php | |
| parent | 94d67a4b51f8e62e7d518cce26a526ae1ec48278 (diff) | |
| download | AppliGestionPHP-bf6655a534a6775d30cafa67bd801276bda1d98d.tar.gz AppliGestionPHP-bf6655a534a6775d30cafa67bd801276bda1d98d.tar.bz2 AppliGestionPHP-bf6655a534a6775d30cafa67bd801276bda1d98d.zip | |
VERSION 0.2 doctrine ORM et entités
Diffstat (limited to 'vendor/doctrine/dbal/src/Platforms/DB2Platform.php')
| -rw-r--r-- | vendor/doctrine/dbal/src/Platforms/DB2Platform.php | 593 |
1 files changed, 593 insertions, 0 deletions
diff --git a/vendor/doctrine/dbal/src/Platforms/DB2Platform.php b/vendor/doctrine/dbal/src/Platforms/DB2Platform.php new file mode 100644 index 0000000..a00b24b --- /dev/null +++ b/vendor/doctrine/dbal/src/Platforms/DB2Platform.php | |||
| @@ -0,0 +1,593 @@ | |||
| 1 | <?php | ||
| 2 | |||
| 3 | declare(strict_types=1); | ||
| 4 | |||
| 5 | namespace Doctrine\DBAL\Platforms; | ||
| 6 | |||
| 7 | use Doctrine\DBAL\Connection; | ||
| 8 | use Doctrine\DBAL\Platforms\Exception\NotSupported; | ||
| 9 | use Doctrine\DBAL\Platforms\Keywords\DB2Keywords; | ||
| 10 | use Doctrine\DBAL\Platforms\Keywords\KeywordList; | ||
| 11 | use Doctrine\DBAL\Schema\ColumnDiff; | ||
| 12 | use Doctrine\DBAL\Schema\DB2SchemaManager; | ||
| 13 | use Doctrine\DBAL\Schema\Identifier; | ||
| 14 | use Doctrine\DBAL\Schema\Index; | ||
| 15 | use Doctrine\DBAL\Schema\TableDiff; | ||
| 16 | use Doctrine\DBAL\SQL\Builder\DefaultSelectSQLBuilder; | ||
| 17 | use Doctrine\DBAL\SQL\Builder\SelectSQLBuilder; | ||
| 18 | use Doctrine\DBAL\TransactionIsolationLevel; | ||
| 19 | use Doctrine\DBAL\Types\Types; | ||
| 20 | |||
| 21 | use function array_merge; | ||
| 22 | use function count; | ||
| 23 | use function current; | ||
| 24 | use function explode; | ||
| 25 | use function implode; | ||
| 26 | use function sprintf; | ||
| 27 | use function str_contains; | ||
| 28 | |||
| 29 | /** | ||
| 30 | * Provides the behavior, features and SQL dialect of the IBM DB2 database platform of the oldest supported version. | ||
| 31 | */ | ||
| 32 | class DB2Platform extends AbstractPlatform | ||
| 33 | { | ||
| 34 | /** | ||
| 35 | * {@inheritDoc} | ||
| 36 | */ | ||
| 37 | public function getBlobTypeDeclarationSQL(array $column): string | ||
| 38 | { | ||
| 39 | // todo blob(n) with $column['length']; | ||
| 40 | return 'BLOB(1M)'; | ||
| 41 | } | ||
| 42 | |||
| 43 | protected function initializeDoctrineTypeMappings(): void | ||
| 44 | { | ||
| 45 | $this->doctrineTypeMapping = [ | ||
| 46 | 'bigint' => Types::BIGINT, | ||
| 47 | 'binary' => Types::BINARY, | ||
| 48 | 'blob' => Types::BLOB, | ||
| 49 | 'character' => Types::STRING, | ||
| 50 | 'clob' => Types::TEXT, | ||
| 51 | 'date' => Types::DATE_MUTABLE, | ||
| 52 | 'decimal' => Types::DECIMAL, | ||
| 53 | 'double' => Types::FLOAT, | ||
| 54 | 'integer' => Types::INTEGER, | ||
| 55 | 'real' => Types::FLOAT, | ||
| 56 | 'smallint' => Types::SMALLINT, | ||
| 57 | 'time' => Types::TIME_MUTABLE, | ||
| 58 | 'timestamp' => Types::DATETIME_MUTABLE, | ||
| 59 | 'varbinary' => Types::BINARY, | ||
| 60 | 'varchar' => Types::STRING, | ||
| 61 | ]; | ||
| 62 | } | ||
| 63 | |||
| 64 | protected function getBinaryTypeDeclarationSQLSnippet(?int $length): string | ||
| 65 | { | ||
| 66 | return $this->getCharTypeDeclarationSQLSnippet($length) . ' FOR BIT DATA'; | ||
| 67 | } | ||
| 68 | |||
| 69 | protected function getVarbinaryTypeDeclarationSQLSnippet(?int $length): string | ||
| 70 | { | ||
| 71 | return $this->getVarcharTypeDeclarationSQLSnippet($length) . ' FOR BIT DATA'; | ||
| 72 | } | ||
| 73 | |||
| 74 | /** | ||
| 75 | * {@inheritDoc} | ||
| 76 | */ | ||
| 77 | public function getClobTypeDeclarationSQL(array $column): string | ||
| 78 | { | ||
| 79 | // todo clob(n) with $column['length']; | ||
| 80 | return 'CLOB(1M)'; | ||
| 81 | } | ||
| 82 | |||
| 83 | /** | ||
| 84 | * {@inheritDoc} | ||
| 85 | */ | ||
| 86 | public function getBooleanTypeDeclarationSQL(array $column): string | ||
| 87 | { | ||
| 88 | return 'SMALLINT'; | ||
| 89 | } | ||
| 90 | |||
| 91 | /** | ||
| 92 | * {@inheritDoc} | ||
| 93 | */ | ||
| 94 | public function getIntegerTypeDeclarationSQL(array $column): string | ||
| 95 | { | ||
| 96 | return 'INTEGER' . $this->_getCommonIntegerTypeDeclarationSQL($column); | ||
| 97 | } | ||
| 98 | |||
| 99 | /** | ||
| 100 | * {@inheritDoc} | ||
| 101 | */ | ||
| 102 | public function getBigIntTypeDeclarationSQL(array $column): string | ||
| 103 | { | ||
| 104 | return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSQL($column); | ||
| 105 | } | ||
| 106 | |||
| 107 | /** | ||
| 108 | * {@inheritDoc} | ||
| 109 | */ | ||
| 110 | public function getSmallIntTypeDeclarationSQL(array $column): string | ||
| 111 | { | ||
| 112 | return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSQL($column); | ||
| 113 | } | ||
| 114 | |||
| 115 | /** | ||
| 116 | * {@inheritDoc} | ||
| 117 | */ | ||
| 118 | protected function _getCommonIntegerTypeDeclarationSQL(array $column): string | ||
| 119 | { | ||
| 120 | $autoinc = ''; | ||
| 121 | if (! empty($column['autoincrement'])) { | ||
| 122 | $autoinc = ' GENERATED BY DEFAULT AS IDENTITY'; | ||
| 123 | } | ||
| 124 | |||
| 125 | return $autoinc; | ||
| 126 | } | ||
| 127 | |||
| 128 | public function getBitAndComparisonExpression(string $value1, string $value2): string | ||
| 129 | { | ||
| 130 | return 'BITAND(' . $value1 . ', ' . $value2 . ')'; | ||
| 131 | } | ||
| 132 | |||
| 133 | public function getBitOrComparisonExpression(string $value1, string $value2): string | ||
| 134 | { | ||
| 135 | return 'BITOR(' . $value1 . ', ' . $value2 . ')'; | ||
| 136 | } | ||
| 137 | |||
| 138 | protected function getDateArithmeticIntervalExpression( | ||
| 139 | string $date, | ||
| 140 | string $operator, | ||
| 141 | string $interval, | ||
| 142 | DateIntervalUnit $unit, | ||
| 143 | ): string { | ||
| 144 | switch ($unit) { | ||
| 145 | case DateIntervalUnit::WEEK: | ||
| 146 | $interval = $this->multiplyInterval($interval, 7); | ||
| 147 | $unit = DateIntervalUnit::DAY; | ||
| 148 | break; | ||
| 149 | |||
| 150 | case DateIntervalUnit::QUARTER: | ||
| 151 | $interval = $this->multiplyInterval($interval, 3); | ||
| 152 | $unit = DateIntervalUnit::MONTH; | ||
| 153 | break; | ||
| 154 | } | ||
| 155 | |||
| 156 | return $date . ' ' . $operator . ' ' . $interval . ' ' . $unit->value; | ||
| 157 | } | ||
| 158 | |||
| 159 | public function getDateDiffExpression(string $date1, string $date2): string | ||
| 160 | { | ||
| 161 | return 'DAYS(' . $date1 . ') - DAYS(' . $date2 . ')'; | ||
| 162 | } | ||
| 163 | |||
| 164 | /** | ||
| 165 | * {@inheritDoc} | ||
| 166 | */ | ||
| 167 | public function getDateTimeTypeDeclarationSQL(array $column): string | ||
| 168 | { | ||
| 169 | if (isset($column['version']) && $column['version'] === true) { | ||
| 170 | return 'TIMESTAMP(0) WITH DEFAULT'; | ||
| 171 | } | ||
| 172 | |||
| 173 | return 'TIMESTAMP(0)'; | ||
| 174 | } | ||
| 175 | |||
| 176 | /** | ||
| 177 | * {@inheritDoc} | ||
| 178 | */ | ||
| 179 | public function getDateTypeDeclarationSQL(array $column): string | ||
| 180 | { | ||
| 181 | return 'DATE'; | ||
| 182 | } | ||
| 183 | |||
| 184 | /** | ||
| 185 | * {@inheritDoc} | ||
| 186 | */ | ||
| 187 | public function getTimeTypeDeclarationSQL(array $column): string | ||
| 188 | { | ||
| 189 | return 'TIME'; | ||
| 190 | } | ||
| 191 | |||
| 192 | public function getTruncateTableSQL(string $tableName, bool $cascade = false): string | ||
| 193 | { | ||
| 194 | $tableIdentifier = new Identifier($tableName); | ||
| 195 | |||
| 196 | return 'TRUNCATE ' . $tableIdentifier->getQuotedName($this) . ' IMMEDIATE'; | ||
| 197 | } | ||
| 198 | |||
| 199 | public function getSetTransactionIsolationSQL(TransactionIsolationLevel $level): string | ||
| 200 | { | ||
| 201 | throw NotSupported::new(__METHOD__); | ||
| 202 | } | ||
| 203 | |||
| 204 | /** @internal The method should be only used from within the {@see AbstractSchemaManager} class hierarchy. */ | ||
| 205 | public function getListViewsSQL(string $database): string | ||
| 206 | { | ||
| 207 | return 'SELECT NAME, TEXT FROM SYSIBM.SYSVIEWS'; | ||
| 208 | } | ||
| 209 | |||
| 210 | /** @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ | ||
| 211 | public function supportsCommentOnStatement(): bool | ||
| 212 | { | ||
| 213 | return true; | ||
| 214 | } | ||
| 215 | |||
| 216 | public function getCurrentDateSQL(): string | ||
| 217 | { | ||
| 218 | return 'CURRENT DATE'; | ||
| 219 | } | ||
| 220 | |||
| 221 | public function getCurrentTimeSQL(): string | ||
| 222 | { | ||
| 223 | return 'CURRENT TIME'; | ||
| 224 | } | ||
| 225 | |||
| 226 | public function getCurrentTimestampSQL(): string | ||
| 227 | { | ||
| 228 | return 'CURRENT TIMESTAMP'; | ||
| 229 | } | ||
| 230 | |||
| 231 | /** @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ | ||
| 232 | public function getIndexDeclarationSQL(Index $index): string | ||
| 233 | { | ||
| 234 | // Index declaration in statements like CREATE TABLE is not supported. | ||
| 235 | throw NotSupported::new(__METHOD__); | ||
| 236 | } | ||
| 237 | |||
| 238 | /** | ||
| 239 | * {@inheritDoc} | ||
| 240 | */ | ||
| 241 | protected function _getCreateTableSQL(string $name, array $columns, array $options = []): array | ||
| 242 | { | ||
| 243 | $indexes = []; | ||
| 244 | if (isset($options['indexes'])) { | ||
| 245 | $indexes = $options['indexes']; | ||
| 246 | } | ||
| 247 | |||
| 248 | $options['indexes'] = []; | ||
| 249 | |||
| 250 | $sqls = parent::_getCreateTableSQL($name, $columns, $options); | ||
| 251 | |||
| 252 | foreach ($indexes as $definition) { | ||
| 253 | $sqls[] = $this->getCreateIndexSQL($definition, $name); | ||
| 254 | } | ||
| 255 | |||
| 256 | return $sqls; | ||
| 257 | } | ||
| 258 | |||
| 259 | /** | ||
| 260 | * {@inheritDoc} | ||
| 261 | */ | ||
| 262 | public function getAlterTableSQL(TableDiff $diff): array | ||
| 263 | { | ||
| 264 | $sql = []; | ||
| 265 | $columnSql = []; | ||
| 266 | $commentsSQL = []; | ||
| 267 | |||
| 268 | $tableNameSQL = $diff->getOldTable()->getQuotedName($this); | ||
| 269 | |||
| 270 | $queryParts = []; | ||
| 271 | foreach ($diff->getAddedColumns() as $column) { | ||
| 272 | $columnDef = $column->toArray(); | ||
| 273 | $queryPart = 'ADD COLUMN ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnDef); | ||
| 274 | |||
| 275 | // Adding non-nullable columns to a table requires a default value to be specified. | ||
| 276 | if ( | ||
| 277 | ! empty($columnDef['notnull']) && | ||
| 278 | ! isset($columnDef['default']) && | ||
| 279 | empty($columnDef['autoincrement']) | ||
| 280 | ) { | ||
| 281 | $queryPart .= ' WITH DEFAULT'; | ||
| 282 | } | ||
| 283 | |||
| 284 | $queryParts[] = $queryPart; | ||
| 285 | |||
| 286 | $comment = $column->getComment(); | ||
| 287 | |||
| 288 | if ($comment === '') { | ||
| 289 | continue; | ||
| 290 | } | ||
| 291 | |||
| 292 | $commentsSQL[] = $this->getCommentOnColumnSQL( | ||
| 293 | $tableNameSQL, | ||
| 294 | $column->getQuotedName($this), | ||
| 295 | $comment, | ||
| 296 | ); | ||
| 297 | } | ||
| 298 | |||
| 299 | foreach ($diff->getDroppedColumns() as $column) { | ||
| 300 | $queryParts[] = 'DROP COLUMN ' . $column->getQuotedName($this); | ||
| 301 | } | ||
| 302 | |||
| 303 | foreach ($diff->getModifiedColumns() as $columnDiff) { | ||
| 304 | if ($columnDiff->hasCommentChanged()) { | ||
| 305 | $newColumn = $columnDiff->getNewColumn(); | ||
| 306 | $commentsSQL[] = $this->getCommentOnColumnSQL( | ||
| 307 | $tableNameSQL, | ||
| 308 | $newColumn->getQuotedName($this), | ||
| 309 | $newColumn->getComment(), | ||
| 310 | ); | ||
| 311 | } | ||
| 312 | |||
| 313 | $this->gatherAlterColumnSQL( | ||
| 314 | $tableNameSQL, | ||
| 315 | $columnDiff, | ||
| 316 | $sql, | ||
| 317 | $queryParts, | ||
| 318 | ); | ||
| 319 | } | ||
| 320 | |||
| 321 | foreach ($diff->getRenamedColumns() as $oldColumnName => $column) { | ||
| 322 | $oldColumnName = new Identifier($oldColumnName); | ||
| 323 | |||
| 324 | $queryParts[] = 'RENAME COLUMN ' . $oldColumnName->getQuotedName($this) . | ||
| 325 | ' TO ' . $column->getQuotedName($this); | ||
| 326 | } | ||
| 327 | |||
| 328 | if (count($queryParts) > 0) { | ||
| 329 | $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' ' . implode(' ', $queryParts); | ||
| 330 | } | ||
| 331 | |||
| 332 | // Some table alteration operations require a table reorganization. | ||
| 333 | if (count($diff->getDroppedColumns()) > 0 || count($diff->getModifiedColumns()) > 0) { | ||
| 334 | $sql[] = "CALL SYSPROC.ADMIN_CMD ('REORG TABLE " . $tableNameSQL . "')"; | ||
| 335 | } | ||
| 336 | |||
| 337 | $sql = array_merge( | ||
| 338 | $this->getPreAlterTableIndexForeignKeySQL($diff), | ||
| 339 | $sql, | ||
| 340 | $commentsSQL, | ||
| 341 | $this->getPostAlterTableIndexForeignKeySQL($diff), | ||
| 342 | ); | ||
| 343 | |||
| 344 | return array_merge($sql, $columnSql); | ||
| 345 | } | ||
| 346 | |||
| 347 | public function getRenameTableSQL(string $oldName, string $newName): string | ||
| 348 | { | ||
| 349 | return sprintf('RENAME TABLE %s TO %s', $oldName, $newName); | ||
| 350 | } | ||
| 351 | |||
| 352 | /** | ||
| 353 | * Gathers the table alteration SQL for a given column diff. | ||
| 354 | * | ||
| 355 | * @param string $table The table to gather the SQL for. | ||
| 356 | * @param ColumnDiff $columnDiff The column diff to evaluate. | ||
| 357 | * @param list<string> $sql The sequence of table alteration statements to fill. | ||
| 358 | * @param list<string> $queryParts The sequence of column alteration clauses to fill. | ||
| 359 | */ | ||
| 360 | private function gatherAlterColumnSQL( | ||
| 361 | string $table, | ||
| 362 | ColumnDiff $columnDiff, | ||
| 363 | array &$sql, | ||
| 364 | array &$queryParts, | ||
| 365 | ): void { | ||
| 366 | $alterColumnClauses = $this->getAlterColumnClausesSQL($columnDiff); | ||
| 367 | |||
| 368 | if (empty($alterColumnClauses)) { | ||
| 369 | return; | ||
| 370 | } | ||
| 371 | |||
| 372 | // If we have a single column alteration, we can append the clause to the main query. | ||
| 373 | if (count($alterColumnClauses) === 1) { | ||
| 374 | $queryParts[] = current($alterColumnClauses); | ||
| 375 | |||
| 376 | return; | ||
| 377 | } | ||
| 378 | |||
| 379 | // We have multiple alterations for the same column, | ||
| 380 | // so we need to trigger a complete ALTER TABLE statement | ||
| 381 | // for each ALTER COLUMN clause. | ||
| 382 | foreach ($alterColumnClauses as $alterColumnClause) { | ||
| 383 | $sql[] = 'ALTER TABLE ' . $table . ' ' . $alterColumnClause; | ||
| 384 | } | ||
| 385 | } | ||
| 386 | |||
| 387 | /** | ||
| 388 | * Returns the ALTER COLUMN SQL clauses for altering a column described by the given column diff. | ||
| 389 | * | ||
| 390 | * @return string[] | ||
| 391 | */ | ||
| 392 | private function getAlterColumnClausesSQL(ColumnDiff $columnDiff): array | ||
| 393 | { | ||
| 394 | $newColumn = $columnDiff->getNewColumn()->toArray(); | ||
| 395 | |||
| 396 | $alterClause = 'ALTER COLUMN ' . $columnDiff->getNewColumn()->getQuotedName($this); | ||
| 397 | |||
| 398 | if ($newColumn['columnDefinition'] !== null) { | ||
| 399 | return [$alterClause . ' ' . $newColumn['columnDefinition']]; | ||
| 400 | } | ||
| 401 | |||
| 402 | $clauses = []; | ||
| 403 | |||
| 404 | if ( | ||
| 405 | $columnDiff->hasTypeChanged() || | ||
| 406 | $columnDiff->hasLengthChanged() || | ||
| 407 | $columnDiff->hasPrecisionChanged() || | ||
| 408 | $columnDiff->hasScaleChanged() || | ||
| 409 | $columnDiff->hasFixedChanged() | ||
| 410 | ) { | ||
| 411 | $clauses[] = $alterClause . ' SET DATA TYPE ' . $newColumn['type']->getSQLDeclaration($newColumn, $this); | ||
| 412 | } | ||
| 413 | |||
| 414 | if ($columnDiff->hasNotNullChanged()) { | ||
| 415 | $clauses[] = $newColumn['notnull'] ? $alterClause . ' SET NOT NULL' : $alterClause . ' DROP NOT NULL'; | ||
| 416 | } | ||
| 417 | |||
| 418 | if ($columnDiff->hasDefaultChanged()) { | ||
| 419 | if (isset($newColumn['default'])) { | ||
| 420 | $defaultClause = $this->getDefaultValueDeclarationSQL($newColumn); | ||
| 421 | |||
| 422 | if ($defaultClause !== '') { | ||
| 423 | $clauses[] = $alterClause . ' SET' . $defaultClause; | ||
| 424 | } | ||
| 425 | } else { | ||
| 426 | $clauses[] = $alterClause . ' DROP DEFAULT'; | ||
| 427 | } | ||
| 428 | } | ||
| 429 | |||
| 430 | return $clauses; | ||
| 431 | } | ||
| 432 | |||
| 433 | /** | ||
| 434 | * {@inheritDoc} | ||
| 435 | */ | ||
| 436 | protected function getPreAlterTableIndexForeignKeySQL(TableDiff $diff): array | ||
| 437 | { | ||
| 438 | $sql = []; | ||
| 439 | |||
| 440 | $tableNameSQL = $diff->getOldTable()->getQuotedName($this); | ||
| 441 | |||
| 442 | foreach ($diff->getDroppedIndexes() as $droppedIndex) { | ||
| 443 | foreach ($diff->getAddedIndexes() as $addedIndex) { | ||
| 444 | if ($droppedIndex->getColumns() !== $addedIndex->getColumns()) { | ||
| 445 | continue; | ||
| 446 | } | ||
| 447 | |||
| 448 | if ($droppedIndex->isPrimary()) { | ||
| 449 | $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' DROP PRIMARY KEY'; | ||
| 450 | } elseif ($droppedIndex->isUnique()) { | ||
| 451 | $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' DROP UNIQUE ' . $droppedIndex->getQuotedName($this); | ||
| 452 | } else { | ||
| 453 | $sql[] = $this->getDropIndexSQL($droppedIndex->getQuotedName($this), $tableNameSQL); | ||
| 454 | } | ||
| 455 | |||
| 456 | $sql[] = $this->getCreateIndexSQL($addedIndex, $tableNameSQL); | ||
| 457 | |||
| 458 | $diff->unsetAddedIndex($addedIndex); | ||
| 459 | $diff->unsetDroppedIndex($droppedIndex); | ||
| 460 | |||
| 461 | break; | ||
| 462 | } | ||
| 463 | } | ||
| 464 | |||
| 465 | return array_merge($sql, parent::getPreAlterTableIndexForeignKeySQL($diff)); | ||
| 466 | } | ||
| 467 | |||
| 468 | /** | ||
| 469 | * {@inheritDoc} | ||
| 470 | */ | ||
| 471 | protected function getRenameIndexSQL(string $oldIndexName, Index $index, string $tableName): array | ||
| 472 | { | ||
| 473 | if (str_contains($tableName, '.')) { | ||
| 474 | [$schema] = explode('.', $tableName); | ||
| 475 | $oldIndexName = $schema . '.' . $oldIndexName; | ||
| 476 | } | ||
| 477 | |||
| 478 | return ['RENAME INDEX ' . $oldIndexName . ' TO ' . $index->getQuotedName($this)]; | ||
| 479 | } | ||
| 480 | |||
| 481 | /** | ||
| 482 | * {@inheritDoc} | ||
| 483 | * | ||
| 484 | * @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. | ||
| 485 | */ | ||
| 486 | public function getDefaultValueDeclarationSQL(array $column): string | ||
| 487 | { | ||
| 488 | if (! empty($column['autoincrement'])) { | ||
| 489 | return ''; | ||
| 490 | } | ||
| 491 | |||
| 492 | if (! empty($column['version'])) { | ||
| 493 | if ((string) $column['type'] !== 'DateTime') { | ||
| 494 | $column['default'] = '1'; | ||
| 495 | } | ||
| 496 | } | ||
| 497 | |||
| 498 | return parent::getDefaultValueDeclarationSQL($column); | ||
| 499 | } | ||
| 500 | |||
| 501 | public function getEmptyIdentityInsertSQL(string $quotedTableName, string $quotedIdentifierColumnName): string | ||
| 502 | { | ||
| 503 | return 'INSERT INTO ' . $quotedTableName . ' (' . $quotedIdentifierColumnName . ') VALUES (DEFAULT)'; | ||
| 504 | } | ||
| 505 | |||
| 506 | public function getCreateTemporaryTableSnippetSQL(): string | ||
| 507 | { | ||
| 508 | return 'DECLARE GLOBAL TEMPORARY TABLE'; | ||
| 509 | } | ||
| 510 | |||
| 511 | public function getTemporaryTableName(string $tableName): string | ||
| 512 | { | ||
| 513 | return 'SESSION.' . $tableName; | ||
| 514 | } | ||
| 515 | |||
| 516 | protected function doModifyLimitQuery(string $query, ?int $limit, int $offset): string | ||
| 517 | { | ||
| 518 | if ($offset > 0) { | ||
| 519 | $query .= sprintf(' OFFSET %d ROWS', $offset); | ||
| 520 | } | ||
| 521 | |||
| 522 | if ($limit !== null) { | ||
| 523 | $query .= sprintf(' FETCH NEXT %d ROWS ONLY', $limit); | ||
| 524 | } | ||
| 525 | |||
| 526 | return $query; | ||
| 527 | } | ||
| 528 | |||
| 529 | public function getLocateExpression(string $string, string $substring, ?string $start = null): string | ||
| 530 | { | ||
| 531 | if ($start === null) { | ||
| 532 | return sprintf('LOCATE(%s, %s)', $substring, $string); | ||
| 533 | } | ||
| 534 | |||
| 535 | return sprintf('LOCATE(%s, %s, %s)', $substring, $string, $start); | ||
| 536 | } | ||
| 537 | |||
| 538 | public function getSubstringExpression(string $string, string $start, ?string $length = null): string | ||
| 539 | { | ||
| 540 | if ($length === null) { | ||
| 541 | return sprintf('SUBSTR(%s, %s)', $string, $start); | ||
| 542 | } | ||
| 543 | |||
| 544 | return sprintf('SUBSTR(%s, %s, %s)', $string, $start, $length); | ||
| 545 | } | ||
| 546 | |||
| 547 | public function getLengthExpression(string $string): string | ||
| 548 | { | ||
| 549 | return 'LENGTH(' . $string . ', CODEUNITS32)'; | ||
| 550 | } | ||
| 551 | |||
| 552 | public function getCurrentDatabaseExpression(): string | ||
| 553 | { | ||
| 554 | return 'CURRENT_USER'; | ||
| 555 | } | ||
| 556 | |||
| 557 | public function supportsIdentityColumns(): bool | ||
| 558 | { | ||
| 559 | return true; | ||
| 560 | } | ||
| 561 | |||
| 562 | public function createSelectSQLBuilder(): SelectSQLBuilder | ||
| 563 | { | ||
| 564 | return new DefaultSelectSQLBuilder($this, 'WITH RR USE AND KEEP UPDATE LOCKS', null); | ||
| 565 | } | ||
| 566 | |||
| 567 | public function getDummySelectSQL(string $expression = '1'): string | ||
| 568 | { | ||
| 569 | return sprintf('SELECT %s FROM sysibm.sysdummy1', $expression); | ||
| 570 | } | ||
| 571 | |||
| 572 | /** | ||
| 573 | * {@inheritDoc} | ||
| 574 | * | ||
| 575 | * DB2 supports savepoints, but they work semantically different than on other vendor platforms. | ||
| 576 | * | ||
| 577 | * TODO: We have to investigate how to get DB2 up and running with savepoints. | ||
| 578 | */ | ||
| 579 | public function supportsSavepoints(): bool | ||
| 580 | { | ||
| 581 | return false; | ||
| 582 | } | ||
| 583 | |||
| 584 | protected function createReservedKeywordsList(): KeywordList | ||
| 585 | { | ||
| 586 | return new DB2Keywords(); | ||
| 587 | } | ||
| 588 | |||
| 589 | public function createSchemaManager(Connection $connection): DB2SchemaManager | ||
| 590 | { | ||
| 591 | return new DB2SchemaManager($connection, $this); | ||
| 592 | } | ||
| 593 | } | ||
