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Direktori : /home2/selectio/www/limpiar.in.net/vendor/doctrine/dbal/src/Platforms/ |
Current File : /home2/selectio/www/limpiar.in.net/vendor/doctrine/dbal/src/Platforms/DB2Platform.php |
<?php namespace Doctrine\DBAL\Platforms; use Doctrine\DBAL\Connection; use Doctrine\DBAL\Exception; use Doctrine\DBAL\Schema\ColumnDiff; use Doctrine\DBAL\Schema\DB2SchemaManager; use Doctrine\DBAL\Schema\Identifier; use Doctrine\DBAL\Schema\Index; use Doctrine\DBAL\Schema\TableDiff; use Doctrine\DBAL\Types\Type; use Doctrine\DBAL\Types\Types; use Doctrine\Deprecations\Deprecation; use function array_merge; use function count; use function current; use function explode; use function func_get_arg; use function func_num_args; use function implode; use function sprintf; use function strpos; class DB2Platform extends AbstractPlatform { /** * {@inheritdoc} * * @deprecated */ public function getCharMaxLength(): int { Deprecation::triggerIfCalledFromOutside( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'DB2Platform::getCharMaxLength() is deprecated.', ); return 254; } /** * {@inheritdoc} * * @deprecated */ public function getBinaryMaxLength() { Deprecation::triggerIfCalledFromOutside( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'DB2Platform::getBinaryMaxLength() is deprecated.', ); return 32704; } /** * {@inheritdoc} * * @deprecated */ public function getBinaryDefaultLength() { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'Relying on the default binary column length is deprecated, specify the length explicitly.', ); return 1; } /** * {@inheritDoc} */ public function getVarcharTypeDeclarationSQL(array $column) { // for IBM DB2, the CHAR max length is less than VARCHAR default length if (! isset($column['length']) && ! empty($column['fixed'])) { $column['length'] = $this->getCharMaxLength(); } return parent::getVarcharTypeDeclarationSQL($column); } /** * {@inheritDoc} */ public function getBlobTypeDeclarationSQL(array $column) { // todo blob(n) with $column['length']; return 'BLOB(1M)'; } /** * {@inheritDoc} */ protected function initializeDoctrineTypeMappings() { $this->doctrineTypeMapping = [ 'bigint' => 'bigint', 'binary' => 'binary', 'blob' => 'blob', 'character' => 'string', 'clob' => 'text', 'date' => 'date', 'decimal' => 'decimal', 'double' => 'float', 'integer' => 'integer', 'real' => 'float', 'smallint' => 'smallint', 'time' => 'time', 'timestamp' => 'datetime', 'varbinary' => 'binary', 'varchar' => 'string', ]; } /** * {@inheritdoc} */ public function isCommentedDoctrineType(Type $doctrineType) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5058', '%s is deprecated and will be removed in Doctrine DBAL 4.0. Use Type::requiresSQLCommentHint() instead.', __METHOD__, ); if ($doctrineType->getName() === Types::BOOLEAN) { // We require a commented boolean type in order to distinguish between boolean and smallint // as both (have to) map to the same native type. return true; } return parent::isCommentedDoctrineType($doctrineType); } /** * {@inheritDoc} */ protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed/*, $lengthOmitted = false*/) { if ($length <= 0 || (func_num_args() > 2 && func_get_arg(2))) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'Relying on the default string column length on IBM DB2 is deprecated' . ', specify the length explicitly.', ); } return $fixed ? ($length > 0 ? 'CHAR(' . $length . ')' : 'CHAR(254)') : ($length > 0 ? 'VARCHAR(' . $length . ')' : 'VARCHAR(255)'); } /** * {@inheritdoc} */ protected function getBinaryTypeDeclarationSQLSnippet($length, $fixed/*, $lengthOmitted = false*/) { if ($length <= 0 || (func_num_args() > 2 && func_get_arg(2))) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'Relying on the default binary column length on IBM DB2 is deprecated' . ', specify the length explicitly.', ); } return $this->getVarcharTypeDeclarationSQLSnippet($length, $fixed) . ' FOR BIT DATA'; } /** * {@inheritDoc} */ public function getClobTypeDeclarationSQL(array $column) { // todo clob(n) with $column['length']; return 'CLOB(1M)'; } /** * {@inheritDoc} */ public function getName() { Deprecation::triggerIfCalledFromOutside( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4749', 'DB2Platform::getName() is deprecated. Identify platforms by their class.', ); return 'db2'; } /** * {@inheritDoc} */ public function getBooleanTypeDeclarationSQL(array $column) { return 'SMALLINT'; } /** * {@inheritDoc} */ public function getIntegerTypeDeclarationSQL(array $column) { return 'INTEGER' . $this->_getCommonIntegerTypeDeclarationSQL($column); } /** * {@inheritDoc} */ public function getBigIntTypeDeclarationSQL(array $column) { return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSQL($column); } /** * {@inheritDoc} */ public function getSmallIntTypeDeclarationSQL(array $column) { return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSQL($column); } /** * {@inheritDoc} */ protected function _getCommonIntegerTypeDeclarationSQL(array $column) { $autoinc = ''; if (! empty($column['autoincrement'])) { $autoinc = ' GENERATED BY DEFAULT AS IDENTITY'; } return $autoinc; } /** * {@inheritdoc} */ public function getBitAndComparisonExpression($value1, $value2) { return 'BITAND(' . $value1 . ', ' . $value2 . ')'; } /** * {@inheritdoc} */ public function getBitOrComparisonExpression($value1, $value2) { return 'BITOR(' . $value1 . ', ' . $value2 . ')'; } /** * {@inheritdoc} */ protected function getDateArithmeticIntervalExpression($date, $operator, $interval, $unit) { switch ($unit) { case DateIntervalUnit::WEEK: $interval *= 7; $unit = DateIntervalUnit::DAY; break; case DateIntervalUnit::QUARTER: $interval *= 3; $unit = DateIntervalUnit::MONTH; break; } return $date . ' ' . $operator . ' ' . $interval . ' ' . $unit; } /** * {@inheritdoc} */ public function getDateDiffExpression($date1, $date2) { return 'DAYS(' . $date1 . ') - DAYS(' . $date2 . ')'; } /** * {@inheritDoc} */ public function getDateTimeTypeDeclarationSQL(array $column) { if (isset($column['version']) && $column['version'] === true) { return 'TIMESTAMP(0) WITH DEFAULT'; } return 'TIMESTAMP(0)'; } /** * {@inheritDoc} */ public function getDateTypeDeclarationSQL(array $column) { return 'DATE'; } /** * {@inheritDoc} */ public function getTimeTypeDeclarationSQL(array $column) { return 'TIME'; } /** * {@inheritdoc} */ public function getTruncateTableSQL($tableName, $cascade = false) { $tableIdentifier = new Identifier($tableName); return 'TRUNCATE ' . $tableIdentifier->getQuotedName($this) . ' IMMEDIATE'; } /** * @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. * * This code fragment is originally from the Zend_Db_Adapter_Db2 class, but has been edited. * * @param string $table * @param string $database * * @return string */ public function getListTableColumnsSQL($table, $database = null) { $table = $this->quoteStringLiteral($table); // We do the funky subquery and join syscat.columns.default this crazy way because // as of db2 v10, the column is CLOB(64k) and the distinct operator won't allow a CLOB, // it wants shorter stuff like a varchar. return " SELECT cols.default, subq.* FROM ( SELECT DISTINCT c.tabschema, c.tabname, c.colname, c.colno, c.typename, c.codepage, c.nulls, c.length, c.scale, c.identity, tc.type AS tabconsttype, c.remarks AS comment, k.colseq, CASE WHEN c.generated = 'D' THEN 1 ELSE 0 END AS autoincrement FROM syscat.columns c LEFT JOIN (syscat.keycoluse k JOIN syscat.tabconst tc ON (k.tabschema = tc.tabschema AND k.tabname = tc.tabname AND tc.type = 'P')) ON (c.tabschema = k.tabschema AND c.tabname = k.tabname AND c.colname = k.colname) WHERE UPPER(c.tabname) = UPPER(" . $table . ') ORDER BY c.colno ) subq JOIN syscat.columns cols ON subq.tabschema = cols.tabschema AND subq.tabname = cols.tabname AND subq.colno = cols.colno ORDER BY subq.colno '; } /** * @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. * * {@inheritDoc} */ public function getListTablesSQL() { return "SELECT NAME FROM SYSIBM.SYSTABLES WHERE TYPE = 'T' AND CREATOR = CURRENT_USER"; } /** * {@inheritDoc} * * @internal The method should be only used from within the {@see AbstractSchemaManager} class hierarchy. */ public function getListViewsSQL($database) { return 'SELECT NAME, TEXT FROM SYSIBM.SYSVIEWS'; } /** * @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. * * {@inheritDoc} */ public function getListTableIndexesSQL($table, $database = null) { $table = $this->quoteStringLiteral($table); return "SELECT idx.INDNAME AS key_name, idxcol.COLNAME AS column_name, CASE WHEN idx.UNIQUERULE = 'P' THEN 1 ELSE 0 END AS primary, CASE WHEN idx.UNIQUERULE = 'D' THEN 1 ELSE 0 END AS non_unique FROM SYSCAT.INDEXES AS idx JOIN SYSCAT.INDEXCOLUSE AS idxcol ON idx.INDSCHEMA = idxcol.INDSCHEMA AND idx.INDNAME = idxcol.INDNAME WHERE idx.TABNAME = UPPER(" . $table . ') ORDER BY idxcol.COLSEQ ASC'; } /** * @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. * * {@inheritDoc} */ public function getListTableForeignKeysSQL($table) { $table = $this->quoteStringLiteral($table); return "SELECT fkcol.COLNAME AS local_column, fk.REFTABNAME AS foreign_table, pkcol.COLNAME AS foreign_column, fk.CONSTNAME AS index_name, CASE WHEN fk.UPDATERULE = 'R' THEN 'RESTRICT' ELSE NULL END AS on_update, CASE WHEN fk.DELETERULE = 'C' THEN 'CASCADE' WHEN fk.DELETERULE = 'N' THEN 'SET NULL' WHEN fk.DELETERULE = 'R' THEN 'RESTRICT' ELSE NULL END AS on_delete FROM SYSCAT.REFERENCES AS fk JOIN SYSCAT.KEYCOLUSE AS fkcol ON fk.CONSTNAME = fkcol.CONSTNAME AND fk.TABSCHEMA = fkcol.TABSCHEMA AND fk.TABNAME = fkcol.TABNAME JOIN SYSCAT.KEYCOLUSE AS pkcol ON fk.REFKEYNAME = pkcol.CONSTNAME AND fk.REFTABSCHEMA = pkcol.TABSCHEMA AND fk.REFTABNAME = pkcol.TABNAME WHERE fk.TABNAME = UPPER(" . $table . ') ORDER BY fkcol.COLSEQ ASC'; } /** * {@inheritDoc} * * @deprecated */ public function supportsCreateDropDatabase() { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5513', '%s is deprecated.', __METHOD__, ); return false; } /** * {@inheritdoc} * * @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ public function supportsCommentOnStatement() { return true; } /** * {@inheritDoc} */ public function getCurrentDateSQL() { return 'CURRENT DATE'; } /** * {@inheritDoc} */ public function getCurrentTimeSQL() { return 'CURRENT TIME'; } /** * {@inheritDoc} */ public function getCurrentTimestampSQL() { return 'CURRENT TIMESTAMP'; } /** * {@inheritDoc} * * @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ public function getIndexDeclarationSQL($name, Index $index) { // Index declaration in statements like CREATE TABLE is not supported. throw Exception::notSupported(__METHOD__); } /** * {@inheritDoc} */ protected function _getCreateTableSQL($name, array $columns, array $options = []) { $indexes = []; if (isset($options['indexes'])) { $indexes = $options['indexes']; } $options['indexes'] = []; $sqls = parent::_getCreateTableSQL($name, $columns, $options); foreach ($indexes as $definition) { $sqls[] = $this->getCreateIndexSQL($definition, $name); } return $sqls; } /** * {@inheritDoc} */ public function getAlterTableSQL(TableDiff $diff) { $sql = []; $columnSql = []; $commentsSQL = []; $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this); $queryParts = []; foreach ($diff->getAddedColumns() as $column) { if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) { continue; } $columnDef = $column->toArray(); $queryPart = 'ADD COLUMN ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnDef); // Adding non-nullable columns to a table requires a default value to be specified. if ( ! empty($columnDef['notnull']) && ! isset($columnDef['default']) && empty($columnDef['autoincrement']) ) { $queryPart .= ' WITH DEFAULT'; } $queryParts[] = $queryPart; $comment = $this->getColumnComment($column); if ($comment === null || $comment === '') { continue; } $commentsSQL[] = $this->getCommentOnColumnSQL( $tableNameSQL, $column->getQuotedName($this), $comment, ); } foreach ($diff->getDroppedColumns() as $column) { if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) { continue; } $queryParts[] = 'DROP COLUMN ' . $column->getQuotedName($this); } foreach ($diff->getModifiedColumns() as $columnDiff) { if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) { continue; } if ($columnDiff->hasCommentChanged()) { $commentsSQL[] = $this->getCommentOnColumnSQL( $tableNameSQL, $columnDiff->getNewColumn()->getQuotedName($this), $this->getColumnComment($columnDiff->getNewColumn()), ); } $this->gatherAlterColumnSQL( $tableNameSQL, $columnDiff, $sql, $queryParts, ); } foreach ($diff->getRenamedColumns() as $oldColumnName => $column) { if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) { continue; } $oldColumnName = new Identifier($oldColumnName); $queryParts[] = 'RENAME COLUMN ' . $oldColumnName->getQuotedName($this) . ' TO ' . $column->getQuotedName($this); } $tableSql = []; if (! $this->onSchemaAlterTable($diff, $tableSql)) { if (count($queryParts) > 0) { $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' ' . implode(' ', $queryParts); } // Some table alteration operations require a table reorganization. if (count($diff->getDroppedColumns()) > 0 || count($diff->getModifiedColumns()) > 0) { $sql[] = "CALL SYSPROC.ADMIN_CMD ('REORG TABLE " . $tableNameSQL . "')"; } $sql = array_merge($sql, $commentsSQL); $newName = $diff->getNewName(); if ($newName !== false) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5663', 'Generation of "rename table" SQL using %s is deprecated. Use getRenameTableSQL() instead.', __METHOD__, ); $sql[] = sprintf( 'RENAME TABLE %s TO %s', $tableNameSQL, $newName->getQuotedName($this), ); } $sql = array_merge( $this->getPreAlterTableIndexForeignKeySQL($diff), $sql, $this->getPostAlterTableIndexForeignKeySQL($diff), ); } return array_merge($sql, $tableSql, $columnSql); } /** * {@inheritDoc} */ public function getRenameTableSQL(string $oldName, string $newName): array { return [ sprintf('RENAME TABLE %s TO %s', $oldName, $newName), ]; } /** * Gathers the table alteration SQL for a given column diff. * * @param string $table The table to gather the SQL for. * @param ColumnDiff $columnDiff The column diff to evaluate. * @param string[] $sql The sequence of table alteration statements to fill. * @param mixed[] $queryParts The sequence of column alteration clauses to fill. */ private function gatherAlterColumnSQL( string $table, ColumnDiff $columnDiff, array &$sql, array &$queryParts ): void { $alterColumnClauses = $this->getAlterColumnClausesSQL($columnDiff); if (empty($alterColumnClauses)) { return; } // If we have a single column alteration, we can append the clause to the main query. if (count($alterColumnClauses) === 1) { $queryParts[] = current($alterColumnClauses); return; } // We have multiple alterations for the same column, // so we need to trigger a complete ALTER TABLE statement // for each ALTER COLUMN clause. foreach ($alterColumnClauses as $alterColumnClause) { $sql[] = 'ALTER TABLE ' . $table . ' ' . $alterColumnClause; } } /** * Returns the ALTER COLUMN SQL clauses for altering a column described by the given column diff. * * @return string[] */ private function getAlterColumnClausesSQL(ColumnDiff $columnDiff): array { $newColumn = $columnDiff->getNewColumn()->toArray(); $alterClause = 'ALTER COLUMN ' . $columnDiff->getNewColumn()->getQuotedName($this); if ($newColumn['columnDefinition'] !== null) { return [$alterClause . ' ' . $newColumn['columnDefinition']]; } $clauses = []; if ( $columnDiff->hasTypeChanged() || $columnDiff->hasLengthChanged() || $columnDiff->hasPrecisionChanged() || $columnDiff->hasScaleChanged() || $columnDiff->hasFixedChanged() ) { $clauses[] = $alterClause . ' SET DATA TYPE ' . $newColumn['type']->getSQLDeclaration($newColumn, $this); } if ($columnDiff->hasNotNullChanged()) { $clauses[] = $newColumn['notnull'] ? $alterClause . ' SET NOT NULL' : $alterClause . ' DROP NOT NULL'; } if ($columnDiff->hasDefaultChanged()) { if (isset($newColumn['default'])) { $defaultClause = $this->getDefaultValueDeclarationSQL($newColumn); if ($defaultClause !== '') { $clauses[] = $alterClause . ' SET' . $defaultClause; } } else { $clauses[] = $alterClause . ' DROP DEFAULT'; } } return $clauses; } /** * {@inheritDoc} */ protected function getPreAlterTableIndexForeignKeySQL(TableDiff $diff) { $sql = []; $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this); foreach ($diff->getDroppedIndexes() as $droppedIndex) { foreach ($diff->getAddedIndexes() as $addedIndex) { if ($droppedIndex->getColumns() !== $addedIndex->getColumns()) { continue; } if ($droppedIndex->isPrimary()) { $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' DROP PRIMARY KEY'; } elseif ($droppedIndex->isUnique()) { $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' DROP UNIQUE ' . $droppedIndex->getQuotedName($this); } else { $sql[] = $this->getDropIndexSQL($droppedIndex, $tableNameSQL); } $sql[] = $this->getCreateIndexSQL($addedIndex, $tableNameSQL); $diff->unsetAddedIndex($addedIndex); $diff->unsetDroppedIndex($droppedIndex); break; } } return array_merge($sql, parent::getPreAlterTableIndexForeignKeySQL($diff)); } /** * {@inheritdoc} */ protected function getRenameIndexSQL($oldIndexName, Index $index, $tableName) { if (strpos($tableName, '.') !== false) { [$schema] = explode('.', $tableName); $oldIndexName = $schema . '.' . $oldIndexName; } return ['RENAME INDEX ' . $oldIndexName . ' TO ' . $index->getQuotedName($this)]; } /** * {@inheritDoc} * * @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ public function getDefaultValueDeclarationSQL($column) { if (! empty($column['autoincrement'])) { return ''; } if (! empty($column['version'])) { if ((string) $column['type'] !== 'DateTime') { $column['default'] = '1'; } } return parent::getDefaultValueDeclarationSQL($column); } /** * {@inheritDoc} */ public function getEmptyIdentityInsertSQL($quotedTableName, $quotedIdentifierColumnName) { return 'INSERT INTO ' . $quotedTableName . ' (' . $quotedIdentifierColumnName . ') VALUES (DEFAULT)'; } /** * {@inheritDoc} */ public function getCreateTemporaryTableSnippetSQL() { return 'DECLARE GLOBAL TEMPORARY TABLE'; } /** * {@inheritDoc} */ public function getTemporaryTableName($tableName) { return 'SESSION.' . $tableName; } /** * {@inheritDoc} */ protected function doModifyLimitQuery($query, $limit, $offset) { $where = []; if ($offset > 0) { $where[] = sprintf('db22.DC_ROWNUM >= %d', $offset + 1); } if ($limit !== null) { $where[] = sprintf('db22.DC_ROWNUM <= %d', $offset + $limit); } if (empty($where)) { return $query; } // Todo OVER() needs ORDER BY data! return sprintf( 'SELECT db22.* FROM (SELECT db21.*, ROW_NUMBER() OVER() AS DC_ROWNUM FROM (%s) db21) db22 WHERE %s', $query, implode(' AND ', $where), ); } /** * {@inheritDoc} */ public function getLocateExpression($str, $substr, $startPos = false) { if ($startPos === false) { return 'LOCATE(' . $substr . ', ' . $str . ')'; } return 'LOCATE(' . $substr . ', ' . $str . ', ' . $startPos . ')'; } /** * {@inheritDoc} */ public function getSubstringExpression($string, $start, $length = null) { if ($length === null) { return 'SUBSTR(' . $string . ', ' . $start . ')'; } return 'SUBSTR(' . $string . ', ' . $start . ', ' . $length . ')'; } /** * {@inheritDoc} */ public function getLengthExpression($column) { return 'LENGTH(' . $column . ', CODEUNITS32)'; } public function getCurrentDatabaseExpression(): string { return 'CURRENT_USER'; } /** * {@inheritDoc} */ public function supportsIdentityColumns() { return true; } /** * {@inheritDoc} * * @deprecated */ public function prefersIdentityColumns() { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/pull/1519', 'DB2Platform::prefersIdentityColumns() is deprecated.', ); return true; } /** * {@inheritDoc} */ public function getForUpdateSQL() { return ' WITH RR USE AND KEEP UPDATE LOCKS'; } /** * {@inheritDoc} */ public function getDummySelectSQL() { $expression = func_num_args() > 0 ? func_get_arg(0) : '1'; return sprintf('SELECT %s FROM sysibm.sysdummy1', $expression); } /** * {@inheritDoc} * * DB2 supports savepoints, but they work semantically different than on other vendor platforms. * * TODO: We have to investigate how to get DB2 up and running with savepoints. */ public function supportsSavepoints() { return false; } /** * {@inheritDoc} * * @deprecated Implement {@see createReservedKeywordsList()} instead. */ protected function getReservedKeywordsClass() { Deprecation::triggerIfCalledFromOutside( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4510', 'DB2Platform::getReservedKeywordsClass() is deprecated,' . ' use DB2Platform::createReservedKeywordsList() instead.', ); return Keywords\DB2Keywords::class; } /** @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. */ public function getListTableCommentsSQL(string $table): string { return sprintf( <<<'SQL' SELECT REMARKS FROM SYSIBM.SYSTABLES WHERE NAME = UPPER( %s ) SQL , $this->quoteStringLiteral($table), ); } public function createSchemaManager(Connection $connection): DB2SchemaManager { return new DB2SchemaManager($connection, $this); } }