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Direktori : /home2/selectio/public_html/3-idiots/vendor/doctrine/dbal/src/Platforms/ |
Current File : /home2/selectio/public_html/3-idiots/vendor/doctrine/dbal/src/Platforms/AbstractMySQLPlatform.php |
<?php namespace Doctrine\DBAL\Platforms; use Doctrine\DBAL\Connection; use Doctrine\DBAL\Exception; use Doctrine\DBAL\Schema\AbstractAsset; use Doctrine\DBAL\Schema\ForeignKeyConstraint; use Doctrine\DBAL\Schema\Identifier; use Doctrine\DBAL\Schema\Index; use Doctrine\DBAL\Schema\MySQLSchemaManager; use Doctrine\DBAL\Schema\Table; use Doctrine\DBAL\Schema\TableDiff; use Doctrine\DBAL\TransactionIsolationLevel; use Doctrine\DBAL\Types\BlobType; use Doctrine\DBAL\Types\TextType; use Doctrine\Deprecations\Deprecation; use InvalidArgumentException; use function array_diff_key; use function array_merge; use function array_unique; use function array_values; use function count; use function func_get_arg; use function func_get_args; use function func_num_args; use function implode; use function in_array; use function is_numeric; use function is_string; use function sprintf; use function str_replace; use function strcasecmp; use function strtolower; use function strtoupper; use function trim; /** * Provides the base implementation for the lowest versions of supported MySQL-like database platforms. */ abstract class AbstractMySQLPlatform extends AbstractPlatform { public const LENGTH_LIMIT_TINYTEXT = 255; public const LENGTH_LIMIT_TEXT = 65535; public const LENGTH_LIMIT_MEDIUMTEXT = 16777215; public const LENGTH_LIMIT_TINYBLOB = 255; public const LENGTH_LIMIT_BLOB = 65535; public const LENGTH_LIMIT_MEDIUMBLOB = 16777215; /** * {@inheritDoc} */ protected function doModifyLimitQuery($query, $limit, $offset) { if ($limit !== null) { $query .= sprintf(' LIMIT %d', $limit); if ($offset > 0) { $query .= sprintf(' OFFSET %d', $offset); } } elseif ($offset > 0) { // 2^64-1 is the maximum of unsigned BIGINT, the biggest limit possible $query .= sprintf(' LIMIT 18446744073709551615 OFFSET %d', $offset); } return $query; } /** * {@inheritDoc} * * @deprecated Use {@see quoteIdentifier()} to quote identifiers instead. */ public function getIdentifierQuoteCharacter() { Deprecation::triggerIfCalledFromOutside( 'doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5388', 'AbstractMySQLPlatform::getIdentifierQuoteCharacter() is deprecated. Use quoteIdentifier() instead.', ); return '`'; } /** * {@inheritDoc} */ public function getRegexpExpression() { return 'RLIKE'; } /** * {@inheritDoc} */ public function getLocateExpression($str, $substr, $startPos = false) { if ($startPos === false) { return 'LOCATE(' . $substr . ', ' . $str . ')'; } return 'LOCATE(' . $substr . ', ' . $str . ', ' . $startPos . ')'; } /** * {@inheritDoc} */ public function getConcatExpression() { return sprintf('CONCAT(%s)', implode(', ', func_get_args())); } /** * {@inheritdoc} */ protected function getDateArithmeticIntervalExpression($date, $operator, $interval, $unit) { $function = $operator === '+' ? 'DATE_ADD' : 'DATE_SUB'; return $function . '(' . $date . ', INTERVAL ' . $interval . ' ' . $unit . ')'; } /** * {@inheritDoc} */ public function getDateDiffExpression($date1, $date2) { return 'DATEDIFF(' . $date1 . ', ' . $date2 . ')'; } public function getCurrentDatabaseExpression(): string { return 'DATABASE()'; } /** * {@inheritDoc} */ public function getLengthExpression($column) { return 'CHAR_LENGTH(' . $column . ')'; } /** * {@inheritDoc} * * @internal The method should be only used from within the {@see AbstractSchemaManager} class hierarchy. */ public function getListDatabasesSQL() { return 'SHOW DATABASES'; } /** * @deprecated * * {@inheritDoc} */ public function getListTableConstraintsSQL($table) { return 'SHOW INDEX FROM ' . $table; } /** * @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. * * {@inheritDoc} * * Two approaches to listing the table indexes. The information_schema is * preferred, because it doesn't cause problems with SQL keywords such as "order" or "table". */ public function getListTableIndexesSQL($table, $database = null) { if ($database !== null) { return 'SELECT NON_UNIQUE AS Non_Unique, INDEX_NAME AS Key_name, COLUMN_NAME AS Column_Name,' . ' SUB_PART AS Sub_Part, INDEX_TYPE AS Index_Type' . ' FROM information_schema.STATISTICS WHERE TABLE_NAME = ' . $this->quoteStringLiteral($table) . ' AND TABLE_SCHEMA = ' . $this->quoteStringLiteral($database) . ' ORDER BY SEQ_IN_INDEX ASC'; } return 'SHOW INDEX FROM ' . $table; } /** * {@inheritDoc} * * @internal The method should be only used from within the {@see AbstractSchemaManager} class hierarchy. */ public function getListViewsSQL($database) { return 'SELECT * FROM information_schema.VIEWS WHERE TABLE_SCHEMA = ' . $this->quoteStringLiteral($database); } /** * @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. * * @param string $table * @param string|null $database * * @return string */ public function getListTableForeignKeysSQL($table, $database = null) { // The schema name is passed multiple times as a literal in the WHERE clause instead of using a JOIN condition // in order to avoid performance issues on MySQL older than 8.0 and the corresponding MariaDB versions // caused by https://bugs.mysql.com/bug.php?id=81347 return 'SELECT k.CONSTRAINT_NAME, k.COLUMN_NAME, k.REFERENCED_TABLE_NAME, ' . 'k.REFERENCED_COLUMN_NAME /*!50116 , c.UPDATE_RULE, c.DELETE_RULE */ ' . 'FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k /*!50116 ' . 'INNER JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS c ON ' . 'c.CONSTRAINT_NAME = k.CONSTRAINT_NAME AND ' . 'c.TABLE_NAME = k.TABLE_NAME */ ' . 'WHERE k.TABLE_NAME = ' . $this->quoteStringLiteral($table) . ' ' . 'AND k.TABLE_SCHEMA = ' . $this->getDatabaseNameSQL($database) . ' /*!50116 ' . 'AND c.CONSTRAINT_SCHEMA = ' . $this->getDatabaseNameSQL($database) . ' */' . 'ORDER BY k.ORDINAL_POSITION'; } /** * {@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 MySQL is deprecated' . ', specify the length explicitly.', ); } return $fixed ? ($length > 0 ? 'CHAR(' . $length . ')' : 'CHAR(255)') : ($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 MySQL is deprecated' . ', specify the length explicitly.', ); } return $fixed ? 'BINARY(' . ($length > 0 ? $length : 255) . ')' : 'VARBINARY(' . ($length > 0 ? $length : 255) . ')'; } /** * Gets the SQL snippet used to declare a CLOB column type. * TINYTEXT : 2 ^ 8 - 1 = 255 * TEXT : 2 ^ 16 - 1 = 65535 * MEDIUMTEXT : 2 ^ 24 - 1 = 16777215 * LONGTEXT : 2 ^ 32 - 1 = 4294967295 * * {@inheritDoc} */ public function getClobTypeDeclarationSQL(array $column) { if (! empty($column['length']) && is_numeric($column['length'])) { $length = $column['length']; if ($length <= static::LENGTH_LIMIT_TINYTEXT) { return 'TINYTEXT'; } if ($length <= static::LENGTH_LIMIT_TEXT) { return 'TEXT'; } if ($length <= static::LENGTH_LIMIT_MEDIUMTEXT) { return 'MEDIUMTEXT'; } } return 'LONGTEXT'; } /** * {@inheritDoc} */ public function getDateTimeTypeDeclarationSQL(array $column) { if (isset($column['version']) && $column['version'] === true) { return 'TIMESTAMP'; } return 'DATETIME'; } /** * {@inheritDoc} */ public function getDateTypeDeclarationSQL(array $column) { return 'DATE'; } /** * {@inheritDoc} */ public function getTimeTypeDeclarationSQL(array $column) { return 'TIME'; } /** * {@inheritDoc} */ public function getBooleanTypeDeclarationSQL(array $column) { return 'TINYINT(1)'; } /** * {@inheritDoc} * * @deprecated * * MySQL prefers "autoincrement" identity columns since sequences can only * be emulated with a table. */ public function prefersIdentityColumns() { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/pull/1519', 'AbstractMySQLPlatform::prefersIdentityColumns() is deprecated.', ); return true; } /** * {@inheritDoc} * * MySQL supports this through AUTO_INCREMENT columns. */ public function supportsIdentityColumns() { return true; } /** * {@inheritDoc} * * @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ public function supportsInlineColumnComments() { return true; } /** * {@inheritDoc} * * @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ public function supportsColumnCollation() { return true; } /** * @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. * * {@inheritDoc} */ public function getListTablesSQL() { return "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'"; } /** * @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. * * {@inheritDoc} */ public function getListTableColumnsSQL($table, $database = null) { return 'SELECT COLUMN_NAME AS Field, COLUMN_TYPE AS Type, IS_NULLABLE AS `Null`, ' . 'COLUMN_KEY AS `Key`, COLUMN_DEFAULT AS `Default`, EXTRA AS Extra, COLUMN_COMMENT AS Comment, ' . 'CHARACTER_SET_NAME AS CharacterSet, COLLATION_NAME AS Collation ' . 'FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = ' . $this->getDatabaseNameSQL($database) . ' AND TABLE_NAME = ' . $this->quoteStringLiteral($table) . ' ORDER BY ORDINAL_POSITION ASC'; } /** @deprecated The SQL used for schema introspection is an implementation detail and should not be relied upon. */ public function getListTableMetadataSQL(string $table, ?string $database = null): string { return sprintf( <<<'SQL' SELECT t.ENGINE, t.AUTO_INCREMENT, t.TABLE_COMMENT, t.CREATE_OPTIONS, t.TABLE_COLLATION, ccsa.CHARACTER_SET_NAME FROM information_schema.TABLES t INNER JOIN information_schema.`COLLATION_CHARACTER_SET_APPLICABILITY` ccsa ON ccsa.COLLATION_NAME = t.TABLE_COLLATION WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_SCHEMA = %s AND TABLE_NAME = %s SQL , $this->getDatabaseNameSQL($database), $this->quoteStringLiteral($table), ); } /** * {@inheritDoc} */ public function getCreateTablesSQL(array $tables): array { $sql = []; foreach ($tables as $table) { $sql = array_merge($sql, $this->getCreateTableWithoutForeignKeysSQL($table)); } foreach ($tables as $table) { if (! $table->hasOption('engine') || $this->engineSupportsForeignKeys($table->getOption('engine'))) { foreach ($table->getForeignKeys() as $foreignKey) { $sql[] = $this->getCreateForeignKeySQL( $foreignKey, $table->getQuotedName($this), ); } } elseif (count($table->getForeignKeys()) > 0) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5414', 'Relying on the DBAL not generating DDL for foreign keys on MySQL engines' . ' other than InnoDB is deprecated.' . ' Define foreign key constraints only if they are necessary.', ); } } return $sql; } /** * {@inheritDoc} */ protected function _getCreateTableSQL($name, array $columns, array $options = []) { $queryFields = $this->getColumnDeclarationListSQL($columns); if (isset($options['uniqueConstraints']) && ! empty($options['uniqueConstraints'])) { foreach ($options['uniqueConstraints'] as $constraintName => $definition) { $queryFields .= ', ' . $this->getUniqueConstraintDeclarationSQL($constraintName, $definition); } } // add all indexes if (isset($options['indexes']) && ! empty($options['indexes'])) { foreach ($options['indexes'] as $indexName => $definition) { $queryFields .= ', ' . $this->getIndexDeclarationSQL($indexName, $definition); } } // attach all primary keys if (isset($options['primary']) && ! empty($options['primary'])) { $keyColumns = array_unique(array_values($options['primary'])); $queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')'; } $query = 'CREATE '; if (! empty($options['temporary'])) { $query .= 'TEMPORARY '; } $query .= 'TABLE ' . $name . ' (' . $queryFields . ') '; $query .= $this->buildTableOptions($options); $query .= $this->buildPartitionOptions($options); $sql = [$query]; // Propagate foreign key constraints only for InnoDB. if (isset($options['foreignKeys'])) { if (! isset($options['engine']) || $this->engineSupportsForeignKeys($options['engine'])) { foreach ($options['foreignKeys'] as $definition) { $sql[] = $this->getCreateForeignKeySQL($definition, $name); } } elseif (count($options['foreignKeys']) > 0) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5414', 'Relying on the DBAL not generating DDL for foreign keys on MySQL engines' . ' other than InnoDB is deprecated.' . ' Define foreign key constraints only if they are necessary.', ); } } return $sql; } /** * {@inheritdoc} * * @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ public function getDefaultValueDeclarationSQL($column) { // Unset the default value if the given column definition does not allow default values. if ($column['type'] instanceof TextType || $column['type'] instanceof BlobType) { $column['default'] = null; } return parent::getDefaultValueDeclarationSQL($column); } /** * Build SQL for table options * * @param mixed[] $options */ private function buildTableOptions(array $options): string { if (isset($options['table_options'])) { return $options['table_options']; } $tableOptions = []; // Charset if (! isset($options['charset'])) { $options['charset'] = 'utf8'; } $tableOptions[] = sprintf('DEFAULT CHARACTER SET %s', $options['charset']); if (isset($options['collate'])) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/5214', 'The "collate" option is deprecated in favor of "collation" and will be removed in 4.0.', ); $options['collation'] = $options['collate']; } // Collation if (! isset($options['collation'])) { $options['collation'] = $options['charset'] . '_unicode_ci'; } $tableOptions[] = $this->getColumnCollationDeclarationSQL($options['collation']); // Engine if (! isset($options['engine'])) { $options['engine'] = 'InnoDB'; } $tableOptions[] = sprintf('ENGINE = %s', $options['engine']); // Auto increment if (isset($options['auto_increment'])) { $tableOptions[] = sprintf('AUTO_INCREMENT = %s', $options['auto_increment']); } // Comment if (isset($options['comment'])) { $tableOptions[] = sprintf('COMMENT = %s ', $this->quoteStringLiteral($options['comment'])); } // Row format if (isset($options['row_format'])) { $tableOptions[] = sprintf('ROW_FORMAT = %s', $options['row_format']); } return implode(' ', $tableOptions); } /** * Build SQL for partition options. * * @param mixed[] $options */ private function buildPartitionOptions(array $options): string { return isset($options['partition_options']) ? ' ' . $options['partition_options'] : ''; } private function engineSupportsForeignKeys(string $engine): bool { return strcasecmp(trim($engine), 'InnoDB') === 0; } /** * {@inheritDoc} */ public function getAlterTableSQL(TableDiff $diff) { $columnSql = []; $queryParts = []; $newName = $diff->getNewName(); if ($newName !== false) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5663', 'Generation of SQL that renames a table using %s is deprecated. Use getRenameTableSQL() instead.', __METHOD__, ); $queryParts[] = 'RENAME TO ' . $newName->getQuotedName($this); } foreach ($diff->getAddedColumns() as $column) { if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) { continue; } $columnProperties = array_merge($column->toArray(), [ 'comment' => $this->getColumnComment($column), ]); $queryParts[] = 'ADD ' . $this->getColumnDeclarationSQL( $column->getQuotedName($this), $columnProperties, ); } foreach ($diff->getDroppedColumns() as $column) { if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) { continue; } $queryParts[] = 'DROP ' . $column->getQuotedName($this); } foreach ($diff->getModifiedColumns() as $columnDiff) { if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) { continue; } $newColumn = $columnDiff->getNewColumn(); $newColumnProperties = array_merge($newColumn->toArray(), [ 'comment' => $this->getColumnComment($newColumn), ]); $oldColumn = $columnDiff->getOldColumn() ?? $columnDiff->getOldColumnName(); $queryParts[] = 'CHANGE ' . $oldColumn->getQuotedName($this) . ' ' . $this->getColumnDeclarationSQL($newColumn->getQuotedName($this), $newColumnProperties); } foreach ($diff->getRenamedColumns() as $oldColumnName => $column) { if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) { continue; } $oldColumnName = new Identifier($oldColumnName); $columnProperties = array_merge($column->toArray(), [ 'comment' => $this->getColumnComment($column), ]); $queryParts[] = 'CHANGE ' . $oldColumnName->getQuotedName($this) . ' ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnProperties); } $addedIndexes = $this->indexAssetsByLowerCaseName($diff->getAddedIndexes()); $modifiedIndexes = $this->indexAssetsByLowerCaseName($diff->getModifiedIndexes()); $diffModified = false; if (isset($addedIndexes['primary'])) { $keyColumns = array_unique(array_values($addedIndexes['primary']->getColumns())); $queryParts[] = 'ADD PRIMARY KEY (' . implode(', ', $keyColumns) . ')'; unset($addedIndexes['primary']); $diffModified = true; } elseif (isset($modifiedIndexes['primary'])) { $addedColumns = $this->indexAssetsByLowerCaseName($diff->getAddedColumns()); // Necessary in case the new primary key includes a new auto_increment column foreach ($modifiedIndexes['primary']->getColumns() as $columnName) { if (isset($addedColumns[$columnName]) && $addedColumns[$columnName]->getAutoincrement()) { $keyColumns = array_unique(array_values($modifiedIndexes['primary']->getColumns())); $queryParts[] = 'DROP PRIMARY KEY'; $queryParts[] = 'ADD PRIMARY KEY (' . implode(', ', $keyColumns) . ')'; unset($modifiedIndexes['primary']); $diffModified = true; break; } } } if ($diffModified) { $diff = new TableDiff( $diff->name, $diff->getAddedColumns(), $diff->getModifiedColumns(), $diff->getDroppedColumns(), array_values($addedIndexes), array_values($modifiedIndexes), $diff->getDroppedIndexes(), $diff->getOldTable(), $diff->getAddedForeignKeys(), $diff->getModifiedForeignKeys(), $diff->getDroppedForeignKeys(), $diff->getRenamedColumns(), $diff->getRenamedIndexes(), ); } $sql = []; $tableSql = []; if (! $this->onSchemaAlterTable($diff, $tableSql)) { if (count($queryParts) > 0) { $sql[] = 'ALTER TABLE ' . ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this) . ' ' . implode(', ', $queryParts); } $sql = array_merge( $this->getPreAlterTableIndexForeignKeySQL($diff), $sql, $this->getPostAlterTableIndexForeignKeySQL($diff), ); } return array_merge($sql, $tableSql, $columnSql); } /** * {@inheritDoc} */ protected function getPreAlterTableIndexForeignKeySQL(TableDiff $diff) { $sql = []; $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this); foreach ($diff->getModifiedIndexes() as $changedIndex) { $sql = array_merge($sql, $this->getPreAlterTableAlterPrimaryKeySQL($diff, $changedIndex)); } foreach ($diff->getDroppedIndexes() as $droppedIndex) { $sql = array_merge($sql, $this->getPreAlterTableAlterPrimaryKeySQL($diff, $droppedIndex)); foreach ($diff->getAddedIndexes() as $addedIndex) { if ($droppedIndex->getColumns() !== $addedIndex->getColumns()) { continue; } $indexClause = 'INDEX ' . $addedIndex->getName(); if ($addedIndex->isPrimary()) { $indexClause = 'PRIMARY KEY'; } elseif ($addedIndex->isUnique()) { $indexClause = 'UNIQUE INDEX ' . $addedIndex->getName(); } $query = 'ALTER TABLE ' . $tableNameSQL . ' DROP INDEX ' . $droppedIndex->getName() . ', '; $query .= 'ADD ' . $indexClause; $query .= ' (' . $this->getIndexFieldDeclarationListSQL($addedIndex) . ')'; $sql[] = $query; $diff->unsetAddedIndex($addedIndex); $diff->unsetDroppedIndex($droppedIndex); break; } } $engine = 'INNODB'; $table = $diff->getOldTable(); if ($table !== null && $table->hasOption('engine')) { $engine = strtoupper(trim($table->getOption('engine'))); } // Suppress foreign key constraint propagation on non-supporting engines. if ($engine !== 'INNODB') { $diff->addedForeignKeys = []; $diff->changedForeignKeys = []; $diff->removedForeignKeys = []; } $sql = array_merge( $sql, $this->getPreAlterTableAlterIndexForeignKeySQL($diff), parent::getPreAlterTableIndexForeignKeySQL($diff), $this->getPreAlterTableRenameIndexForeignKeySQL($diff), ); return $sql; } /** * @return string[] * * @throws Exception */ private function getPreAlterTableAlterPrimaryKeySQL(TableDiff $diff, Index $index): array { if (! $index->isPrimary()) { return []; } $table = $diff->getOldTable(); if ($table === null) { return []; } $sql = []; $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this); // Dropping primary keys requires to unset autoincrement attribute on the particular column first. foreach ($index->getColumns() as $columnName) { if (! $table->hasColumn($columnName)) { continue; } $column = $table->getColumn($columnName); if ($column->getAutoincrement() !== true) { continue; } $column->setAutoincrement(false); $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' MODIFY ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray()); // original autoincrement information might be needed later on by other parts of the table alteration $column->setAutoincrement(true); } return $sql; } /** * @param TableDiff $diff The table diff to gather the SQL for. * * @return string[] * * @throws Exception */ private function getPreAlterTableAlterIndexForeignKeySQL(TableDiff $diff): array { $table = $diff->getOldTable(); if ($table === null) { return []; } $primaryKey = $table->getPrimaryKey(); if ($primaryKey === null) { return []; } $primaryKeyColumns = []; foreach ($primaryKey->getColumns() as $columnName) { if (! $table->hasColumn($columnName)) { continue; } $primaryKeyColumns[] = $table->getColumn($columnName); } if (count($primaryKeyColumns) === 0) { return []; } $sql = []; $tableNameSQL = $table->getQuotedName($this); foreach ($diff->getModifiedIndexes() as $changedIndex) { // Changed primary key if (! $changedIndex->isPrimary()) { continue; } foreach ($primaryKeyColumns as $column) { // Check if an autoincrement column was dropped from the primary key. if (! $column->getAutoincrement() || in_array($column->getName(), $changedIndex->getColumns(), true)) { continue; } // The autoincrement attribute needs to be removed from the dropped column // before we can drop and recreate the primary key. $column->setAutoincrement(false); $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' MODIFY ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray()); // Restore the autoincrement attribute as it might be needed later on // by other parts of the table alteration. $column->setAutoincrement(true); } } return $sql; } /** * @param TableDiff $diff The table diff to gather the SQL for. * * @return string[] */ protected function getPreAlterTableRenameIndexForeignKeySQL(TableDiff $diff) { $sql = []; $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this); foreach ($this->getRemainingForeignKeyConstraintsRequiringRenamedIndexes($diff) as $foreignKey) { if (in_array($foreignKey, $diff->getModifiedForeignKeys(), true)) { continue; } $sql[] = $this->getDropForeignKeySQL($foreignKey->getQuotedName($this), $tableNameSQL); } return $sql; } /** * Returns the remaining foreign key constraints that require one of the renamed indexes. * * "Remaining" here refers to the diff between the foreign keys currently defined in the associated * table and the foreign keys to be removed. * * @param TableDiff $diff The table diff to evaluate. * * @return ForeignKeyConstraint[] */ private function getRemainingForeignKeyConstraintsRequiringRenamedIndexes(TableDiff $diff): array { if (count($diff->getRenamedIndexes()) === 0) { return []; } $table = $diff->getOldTable(); if ($table === null) { return []; } $foreignKeys = []; /** @var ForeignKeyConstraint[] $remainingForeignKeys */ $remainingForeignKeys = array_diff_key( $table->getForeignKeys(), $diff->getDroppedForeignKeys(), ); foreach ($remainingForeignKeys as $foreignKey) { foreach ($diff->getRenamedIndexes() as $index) { if ($foreignKey->intersectsIndexColumns($index)) { $foreignKeys[] = $foreignKey; break; } } } return $foreignKeys; } /** * {@inheritdoc} */ protected function getPostAlterTableIndexForeignKeySQL(TableDiff $diff) { return array_merge( parent::getPostAlterTableIndexForeignKeySQL($diff), $this->getPostAlterTableRenameIndexForeignKeySQL($diff), ); } /** * @param TableDiff $diff The table diff to gather the SQL for. * * @return string[] */ protected function getPostAlterTableRenameIndexForeignKeySQL(TableDiff $diff) { $sql = []; $newName = $diff->getNewName(); if ($newName !== false) { $tableNameSQL = $newName->getQuotedName($this); } else { $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this); } foreach ($this->getRemainingForeignKeyConstraintsRequiringRenamedIndexes($diff) as $foreignKey) { if (in_array($foreignKey, $diff->getModifiedForeignKeys(), true)) { continue; } $sql[] = $this->getCreateForeignKeySQL($foreignKey, $tableNameSQL); } return $sql; } /** * {@inheritDoc} */ protected function getCreateIndexSQLFlags(Index $index) { $type = ''; if ($index->isUnique()) { $type .= 'UNIQUE '; } elseif ($index->hasFlag('fulltext')) { $type .= 'FULLTEXT '; } elseif ($index->hasFlag('spatial')) { $type .= 'SPATIAL '; } return $type; } /** * {@inheritDoc} */ public function getIntegerTypeDeclarationSQL(array $column) { return 'INT' . $this->_getCommonIntegerTypeDeclarationSQL($column); } /** * {@inheritDoc} */ public function getBigIntTypeDeclarationSQL(array $column) { return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSQL($column); } /** * {@inheritDoc} */ public function getSmallIntTypeDeclarationSQL(array $column) { return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSQL($column); } /** * {@inheritdoc} */ public function getFloatDeclarationSQL(array $column) { return 'DOUBLE PRECISION' . $this->getUnsignedDeclaration($column); } /** * {@inheritdoc} */ public function getDecimalTypeDeclarationSQL(array $column) { return parent::getDecimalTypeDeclarationSQL($column) . $this->getUnsignedDeclaration($column); } /** * Get unsigned declaration for a column. * * @param mixed[] $columnDef */ private function getUnsignedDeclaration(array $columnDef): string { return ! empty($columnDef['unsigned']) ? ' UNSIGNED' : ''; } /** * {@inheritDoc} */ protected function _getCommonIntegerTypeDeclarationSQL(array $column) { $autoinc = ''; if (! empty($column['autoincrement'])) { $autoinc = ' AUTO_INCREMENT'; } return $this->getUnsignedDeclaration($column) . $autoinc; } /** * {@inheritDoc} * * @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ public function getColumnCharsetDeclarationSQL($charset) { return 'CHARACTER SET ' . $charset; } /** * {@inheritDoc} * * @internal The method should be only used from within the {@see AbstractPlatform} class hierarchy. */ public function getAdvancedForeignKeyOptionsSQL(ForeignKeyConstraint $foreignKey) { $query = ''; if ($foreignKey->hasOption('match')) { $query .= ' MATCH ' . $foreignKey->getOption('match'); } $query .= parent::getAdvancedForeignKeyOptionsSQL($foreignKey); return $query; } /** * {@inheritDoc} */ public function getDropIndexSQL($index, $table = null) { if ($index instanceof Index) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4798', 'Passing $index as an Index object to %s is deprecated. Pass it as a quoted name instead.', __METHOD__, ); $indexName = $index->getQuotedName($this); } elseif (is_string($index)) { $indexName = $index; } else { throw new InvalidArgumentException( __METHOD__ . '() expects $index parameter to be string or ' . Index::class . '.', ); } if ($table instanceof Table) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4798', 'Passing $table as a Table object to %s is deprecated. Pass it as a quoted name instead.', __METHOD__, ); $table = $table->getQuotedName($this); } elseif (! is_string($table)) { throw new InvalidArgumentException( __METHOD__ . '() expects $table parameter to be string or ' . Table::class . '.', ); } if ($index instanceof Index && $index->isPrimary()) { // MySQL primary keys are always named "PRIMARY", // so we cannot use them in statements because of them being keyword. return $this->getDropPrimaryKeySQL($table); } return 'DROP INDEX ' . $indexName . ' ON ' . $table; } /** * @param string $table * * @return string */ protected function getDropPrimaryKeySQL($table) { return 'ALTER TABLE ' . $table . ' DROP PRIMARY KEY'; } /** * The `ALTER TABLE ... DROP CONSTRAINT` syntax is only available as of MySQL 8.0.19. * * @link https://dev.mysql.com/doc/refman/8.0/en/alter-table.html */ public function getDropUniqueConstraintSQL(string $name, string $tableName): string { return $this->getDropIndexSQL($name, $tableName); } /** * {@inheritDoc} */ public function getSetTransactionIsolationSQL($level) { return 'SET SESSION TRANSACTION ISOLATION LEVEL ' . $this->_getTransactionIsolationLevelSQL($level); } /** * {@inheritDoc} */ public function getName() { Deprecation::triggerIfCalledFromOutside( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4749', 'AbstractMySQLPlatform::getName() is deprecated. Identify platforms by their class.', ); return 'mysql'; } /** * {@inheritDoc} */ public function getReadLockSQL() { return 'LOCK IN SHARE MODE'; } /** * {@inheritDoc} */ protected function initializeDoctrineTypeMappings() { $this->doctrineTypeMapping = [ 'bigint' => 'bigint', 'binary' => 'binary', 'blob' => 'blob', 'char' => 'string', 'date' => 'date', 'datetime' => 'datetime', 'decimal' => 'decimal', 'double' => 'float', 'float' => 'float', 'int' => 'integer', 'integer' => 'integer', 'longblob' => 'blob', 'longtext' => 'text', 'mediumblob' => 'blob', 'mediumint' => 'integer', 'mediumtext' => 'text', 'numeric' => 'decimal', 'real' => 'float', 'set' => 'simple_array', 'smallint' => 'smallint', 'string' => 'string', 'text' => 'text', 'time' => 'time', 'timestamp' => 'datetime', 'tinyblob' => 'blob', 'tinyint' => 'boolean', 'tinytext' => 'text', 'varbinary' => 'binary', 'varchar' => 'string', 'year' => 'date', ]; } /** * {@inheritDoc} * * @deprecated */ public function getVarcharMaxLength() { Deprecation::triggerIfCalledFromOutside( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'AbstractMySQLPlatform::getVarcharMaxLength() is deprecated.', ); return 65535; } /** * {@inheritdoc} * * @deprecated */ public function getBinaryMaxLength() { Deprecation::triggerIfCalledFromOutside( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'AbstractMySQLPlatform::getBinaryMaxLength() is deprecated.', ); return 65535; } /** * {@inheritDoc} * * @deprecated Implement {@see createReservedKeywordsList()} instead. */ protected function getReservedKeywordsClass() { Deprecation::triggerIfCalledFromOutside( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4510', 'AbstractMySQLPlatform::getReservedKeywordsClass() is deprecated,' . ' use AbstractMySQLPlatform::createReservedKeywordsList() instead.', ); return Keywords\MySQLKeywords::class; } /** * {@inheritDoc} * * MySQL commits a transaction implicitly when DROP TABLE is executed, however not * if DROP TEMPORARY TABLE is executed. */ public function getDropTemporaryTableSQL($table) { if ($table instanceof Table) { Deprecation::trigger( 'doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4798', 'Passing $table as a Table object to %s is deprecated. Pass it as a quoted name instead.', __METHOD__, ); $table = $table->getQuotedName($this); } elseif (! is_string($table)) { throw new InvalidArgumentException( __METHOD__ . '() expects $table parameter to be string or ' . Table::class . '.', ); } return 'DROP TEMPORARY TABLE ' . $table; } /** * Gets the SQL Snippet used to declare a BLOB column type. * TINYBLOB : 2 ^ 8 - 1 = 255 * BLOB : 2 ^ 16 - 1 = 65535 * MEDIUMBLOB : 2 ^ 24 - 1 = 16777215 * LONGBLOB : 2 ^ 32 - 1 = 4294967295 * * {@inheritDoc} */ public function getBlobTypeDeclarationSQL(array $column) { if (! empty($column['length']) && is_numeric($column['length'])) { $length = $column['length']; if ($length <= static::LENGTH_LIMIT_TINYBLOB) { return 'TINYBLOB'; } if ($length <= static::LENGTH_LIMIT_BLOB) { return 'BLOB'; } if ($length <= static::LENGTH_LIMIT_MEDIUMBLOB) { return 'MEDIUMBLOB'; } } return 'LONGBLOB'; } /** * {@inheritdoc} */ public function quoteStringLiteral($str) { $str = str_replace('\\', '\\\\', $str); // MySQL requires backslashes to be escaped return parent::quoteStringLiteral($str); } /** * {@inheritdoc} */ public function getDefaultTransactionIsolationLevel() { return TransactionIsolationLevel::REPEATABLE_READ; } public function supportsColumnLengthIndexes(): bool { return true; } private function getDatabaseNameSQL(?string $databaseName): string { if ($databaseName !== null) { return $this->quoteStringLiteral($databaseName); } return $this->getCurrentDatabaseExpression(); } public function createSchemaManager(Connection $connection): MySQLSchemaManager { return new MySQLSchemaManager($connection, $this); } /** * @param list<T> $assets * * @return array<string,T> * * @template T of AbstractAsset */ private function indexAssetsByLowerCaseName(array $assets): array { $result = []; foreach ($assets as $asset) { $result[strtolower($asset->getName())] = $asset; } return $result; } }