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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\DBAL\Platforms;
use Doctrine\DBAL\Schema\Identifier;
use Doctrine\DBAL\Schema\TableDiff;
use Doctrine\DBAL\Schema\Index;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Types\BlobType;
use Doctrine\DBAL\Types\TextType;
/**
* The MySqlPlatform provides the behavior, features and SQL dialect of the
* MySQL database platform. This platform represents a MySQL 5.0 or greater platform that
* uses the InnoDB storage engine.
*
* @since 2.0
* @author Roman Borschel <roman@code-factory.org>
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @todo Rename: MySQLPlatform
*/
class MySqlPlatform extends AbstractPlatform
{
const LENGTH_LIMIT_TINYTEXT = 255;
const LENGTH_LIMIT_TEXT = 65535;
const LENGTH_LIMIT_MEDIUMTEXT = 16777215;
const LENGTH_LIMIT_TINYBLOB = 255;
const LENGTH_LIMIT_BLOB = 65535;
const LENGTH_LIMIT_MEDIUMBLOB = 16777215;
/**
* Adds MySQL-specific LIMIT clause to the query
* 18446744073709551615 is 2^64-1 maximum of unsigned BIGINT the biggest limit possible
*
* @param string $query
* @param integer $limit
* @param integer $offset
*
* @return string
*/
protected function doModifyLimitQuery($query, $limit, $offset)
{
if ($limit !== null) {
$query .= ' LIMIT ' . $limit;
if ($offset !== null) {
$query .= ' OFFSET ' . $offset;
}
} elseif ($offset !== null) {
$query .= ' LIMIT 18446744073709551615 OFFSET ' . $offset;
}
return $query;
}
/**
* {@inheritDoc}
*/
public function getIdentifierQuoteCharacter()
{
return '`';
}
/**
* {@inheritDoc}
*/
public function getRegexpExpression()
{
return 'RLIKE';
}
/**
* {@inheritDoc}
*/
public function getGuidExpression()
{
return 'UUID()';
}
/**
* {@inheritDoc}
*/
public function getLocateExpression($str, $substr, $startPos = false)
{
if ($startPos == false) {
return 'LOCATE(' . $substr . ', ' . $str . ')';
}
return 'LOCATE(' . $substr . ', ' . $str . ', '.$startPos.')';
}
/**
* {@inheritDoc}
*/
public function getConcatExpression()
{
$args = func_get_args();
return 'CONCAT(' . join(', ', (array) $args) . ')';
}
/**
* {@inheritdoc}
*/
protected function getDateArithmeticIntervalExpression($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 . ', ' . $date2 . ')';
}
/**
* {@inheritDoc}
*/
public function getListDatabasesSQL()
{
return 'SHOW DATABASES';
}
/**
* {@inheritDoc}
*/
public function getListTableConstraintsSQL($table)
{
return 'SHOW INDEX FROM ' . $table;
}
/**
* {@inheritDoc}
*
* Two approaches to listing the table indexes. The information_schema is
* preferred, because it doesn't cause problems with SQL keywords such as "order" or "table".
*/
public function getListTableIndexesSQL($table, $currentDatabase = null)
{
if ($currentDatabase) {
return "SELECT TABLE_NAME AS `Table`, NON_UNIQUE AS Non_Unique, INDEX_NAME AS Key_name, ".
"SEQ_IN_INDEX AS Seq_in_index, COLUMN_NAME AS Column_Name, COLLATION AS Collation, ".
"CARDINALITY AS Cardinality, SUB_PART AS Sub_Part, PACKED AS Packed, " .
"NULLABLE AS `Null`, INDEX_TYPE AS Index_Type, COMMENT AS Comment " .
"FROM information_schema.STATISTICS WHERE TABLE_NAME = '" . $table . "' AND TABLE_SCHEMA = '" . $currentDatabase . "'";
}
return 'SHOW INDEX FROM ' . $table;
}
/**
* {@inheritDoc}
*/
public function getListViewsSQL($database)
{
return "SELECT * FROM information_schema.VIEWS WHERE TABLE_SCHEMA = '".$database."'";
}
/**
* {@inheritDoc}
*/
public function getListTableForeignKeysSQL($table, $database = null)
{
$sql = "SELECT DISTINCT k.`CONSTRAINT_NAME`, k.`COLUMN_NAME`, k.`REFERENCED_TABLE_NAME`, ".
"k.`REFERENCED_COLUMN_NAME` /*!50116 , c.update_rule, c.delete_rule */ ".
"FROM information_schema.key_column_usage k /*!50116 ".
"INNER JOIN information_schema.referential_constraints c ON ".
" c.constraint_name = k.constraint_name AND ".
" c.table_name = '$table' */ WHERE k.table_name = '$table'";
if ($database) {
$sql .= " AND k.table_schema = '$database' /*!50116 AND c.constraint_schema = '$database' */";
}
$sql .= " AND k.`REFERENCED_COLUMN_NAME` is not NULL";
return $sql;
}
/**
* {@inheritDoc}
*/
public function getCreateViewSQL($name, $sql)
{
return 'CREATE VIEW ' . $name . ' AS ' . $sql;
}
/**
* {@inheritDoc}
*/
public function getDropViewSQL($name)
{
return 'DROP VIEW '. $name;
}
/**
* {@inheritDoc}
*/
protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed)
{
return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)')
: ($length ? 'VARCHAR(' . $length . ')' : 'VARCHAR(255)');
}
/**
* {@inheritdoc}
*/
protected function getBinaryTypeDeclarationSQLSnippet($length, $fixed)
{
return $fixed ? 'BINARY(' . ($length ?: 255) . ')' : 'VARBINARY(' . ($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
*
* @param array $field
*
* @return string
*/
public function getClobTypeDeclarationSQL(array $field)
{
if ( ! empty($field['length']) && is_numeric($field['length'])) {
$length = $field['length'];
if ($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 $fieldDeclaration)
{
if (isset($fieldDeclaration['version']) && $fieldDeclaration['version'] == true) {
return 'TIMESTAMP';
}
return 'DATETIME';
}
/**
* {@inheritDoc}
*/
public function getDateTypeDeclarationSQL(array $fieldDeclaration)
{
return 'DATE';
}
/**
* {@inheritDoc}
*/
public function getTimeTypeDeclarationSQL(array $fieldDeclaration)
{
return 'TIME';
}
/**
* {@inheritDoc}
*/
public function getBooleanTypeDeclarationSQL(array $field)
{
return 'TINYINT(1)';
}
/**
* Obtain DBMS specific SQL code portion needed to set the COLLATION
* of a field declaration to be used in statements like CREATE TABLE.
*
* @deprecated Deprecated since version 2.5, Use {@link self::getColumnCollationDeclarationSQL()} instead.
*
* @param string $collation name of the collation
*
* @return string DBMS specific SQL code portion needed to set the COLLATION
* of a field declaration.
*/
public function getCollationFieldDeclaration($collation)
{
return $this->getColumnCollationDeclarationSQL($collation);
}
/**
* {@inheritDoc}
*
* MySql prefers "autoincrement" identity columns since sequences can only
* be emulated with a table.
*/
public function prefersIdentityColumns()
{
return true;
}
/**
* {@inheritDoc}
*
* MySql supports this through AUTO_INCREMENT columns.
*/
public function supportsIdentityColumns()
{
return true;
}
/**
* {@inheritDoc}
*/
public function supportsInlineColumnComments()
{
return true;
}
/**
* {@inheritDoc}
*/
public function supportsColumnCollation()
{
return true;
}
/**
* {@inheritDoc}
*/
public function getListTablesSQL()
{
return "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'";
}
/**
* {@inheritDoc}
*/
public function getListTableColumnsSQL($table, $database = null)
{
if ($database) {
$database = "'" . $database . "'";
} else {
$database = 'DATABASE()';
}
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 = " . $database . " AND TABLE_NAME = '" . $table . "'";
}
/**
* {@inheritDoc}
*/
public function getCreateDatabaseSQL($name)
{
return 'CREATE DATABASE ' . $name;
}
/**
* {@inheritDoc}
*/
public function getDropDatabaseSQL($name)
{
return 'DROP DATABASE ' . $name;
}
/**
* {@inheritDoc}
*/
protected function _getCreateTableSQL($tableName, array $columns, array $options = array())
{
$queryFields = $this->getColumnDeclarationListSQL($columns);
if (isset($options['uniqueConstraints']) && ! empty($options['uniqueConstraints'])) {
foreach ($options['uniqueConstraints'] as $index => $definition) {
$queryFields .= ', ' . $this->getUniqueConstraintDeclarationSQL($index, $definition);
}
}
// add all indexes
if (isset($options['indexes']) && ! empty($options['indexes'])) {
foreach ($options['indexes'] as $index => $definition) {
$queryFields .= ', ' . $this->getIndexDeclarationSQL($index, $definition);
}
}
// attach all primary keys
if (isset($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 ' . $tableName . ' (' . $queryFields . ') ';
$query .= $this->buildTableOptions($options);
$query .= $this->buildPartitionOptions($options);
$sql[] = $query;
$engine = 'INNODB';
if (isset($options['engine'])) {
$engine = strtoupper(trim($options['engine']));
}
// Propagate foreign key constraints only for InnoDB.
if (isset($options['foreignKeys']) && $engine === 'INNODB') {
foreach ((array) $options['foreignKeys'] as $definition) {
$sql[] = $this->getCreateForeignKeySQL($definition, $tableName);
}
}
return $sql;
}
/**
* {@inheritdoc}
*/
public function getDefaultValueDeclarationSQL($field)
{
// Unset the default value if the given field definition does not allow default values.
if ($field['type'] instanceof TextType || $field['type'] instanceof BlobType) {
$field['default'] = null;
}
return parent::getDefaultValueDeclarationSQL($field);
}
/**
* Build SQL for table options
*
* @param array $options
*
* @return string
*/
private function buildTableOptions(array $options)
{
if (isset($options['table_options'])) {
return $options['table_options'];
}
$tableOptions = array();
// Charset
if ( ! isset($options['charset'])) {
$options['charset'] = 'utf8';
}
$tableOptions[] = sprintf('DEFAULT CHARACTER SET %s', $options['charset']);
// Collate
if ( ! isset($options['collate'])) {
$options['collate'] = 'utf8_unicode_ci';
}
$tableOptions[] = sprintf('COLLATE %s', $options['collate']);
// Engine
if ( ! isset($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'])) {
$comment = trim($options['comment'], " '");
$tableOptions[] = sprintf("COMMENT = %s ", $this->quoteStringLiteral($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 array $options
*
* @return string
*/
private function buildPartitionOptions(array $options)
{
return (isset($options['partition_options']))
? ' ' . $options['partition_options']
: '';
}
/**
* {@inheritDoc}
*/
public function getAlterTableSQL(TableDiff $diff)
{
$columnSql = array();
$queryParts = array();
if ($diff->newName !== false) {
$queryParts[] = 'RENAME TO ' . $diff->getNewName()->getQuotedName($this);
}
foreach ($diff->addedColumns as $column) {
if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
continue;
}
$columnArray = $column->toArray();
$columnArray['comment'] = $this->getColumnComment($column);
$queryParts[] = 'ADD ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnArray);
}
foreach ($diff->removedColumns as $column) {
if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
continue;
}
$queryParts[] = 'DROP ' . $column->getQuotedName($this);
}
foreach ($diff->changedColumns as $columnDiff) {
if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
continue;
}
/* @var $columnDiff \Doctrine\DBAL\Schema\ColumnDiff */
$column = $columnDiff->column;
$columnArray = $column->toArray();
// Don't propagate default value changes for unsupported column types.
if ($columnDiff->hasChanged('default') &&
count($columnDiff->changedProperties) === 1 &&
($columnArray['type'] instanceof TextType || $columnArray['type'] instanceof BlobType)
) {
continue;
}
$columnArray['comment'] = $this->getColumnComment($column);
$queryParts[] = 'CHANGE ' . ($columnDiff->getOldColumnName()->getQuotedName($this)) . ' '
. $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnArray);
}
foreach ($diff->renamedColumns as $oldColumnName => $column) {
if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
continue;
}
$oldColumnName = new Identifier($oldColumnName);
$columnArray = $column->toArray();
$columnArray['comment'] = $this->getColumnComment($column);
$queryParts[] = 'CHANGE ' . $oldColumnName->getQuotedName($this) . ' '
. $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnArray);
}
if (isset($diff->addedIndexes['primary'])) {
$keyColumns = array_unique(array_values($diff->addedIndexes['primary']->getColumns()));
$queryParts[] = 'ADD PRIMARY KEY (' . implode(', ', $keyColumns) . ')';
unset($diff->addedIndexes['primary']);
}
$sql = array();
$tableSql = array();
if ( ! $this->onSchemaAlterTable($diff, $tableSql)) {
if (count($queryParts) > 0) {
$sql[] = 'ALTER TABLE ' . $diff->getName($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 = array();
$table = $diff->getName($this)->getQuotedName($this);
foreach ($diff->removedIndexes as $remKey => $remIndex) {
// Dropping primary keys requires to unset autoincrement attribute on the particular column first.
if ($remIndex->isPrimary() && $diff->fromTable instanceof Table) {
foreach ($remIndex->getColumns() as $columnName) {
$column = $diff->fromTable->getColumn($columnName);
if ($column->getAutoincrement() === true) {
$column->setAutoincrement(false);
$sql[] = 'ALTER TABLE ' . $table . ' MODIFY ' .
$this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
// original autoincrement information might be needed later on by other parts of the table alteration
$column->setAutoincrement(true);
}
}
}
foreach ($diff->addedIndexes as $addKey => $addIndex) {
if ($remIndex->getColumns() == $addIndex->getColumns()) {
$indexClause = 'INDEX ' . $addIndex->getName();
if ($addIndex->isPrimary()) {
$indexClause = 'PRIMARY KEY';
} elseif ($addIndex->isUnique()) {
$indexClause = 'UNIQUE INDEX ' . $addIndex->getName();
}
$query = 'ALTER TABLE ' . $table . ' DROP INDEX ' . $remIndex->getName() . ', ';
$query .= 'ADD ' . $indexClause;
$query .= ' (' . $this->getIndexFieldDeclarationListSQL($addIndex->getQuotedColumns($this)) . ')';
$sql[] = $query;
unset($diff->removedIndexes[$remKey]);
unset($diff->addedIndexes[$addKey]);
break;
}
}
}
$engine = 'INNODB';
if ($diff->fromTable instanceof Table && $diff->fromTable->hasOption('engine')) {
$engine = strtoupper(trim($diff->fromTable->getOption('engine')));
}
// Suppress foreign key constraint propagation on non-supporting engines.
if ('INNODB' !== $engine) {
$diff->addedForeignKeys = array();
$diff->changedForeignKeys = array();
$diff->removedForeignKeys = array();
}
$sql = array_merge(
$sql,
$this->getPreAlterTableAlterIndexForeignKeySQL($diff),
parent::getPreAlterTableIndexForeignKeySQL($diff),
$this->getPreAlterTableRenameIndexForeignKeySQL($diff)
);
return $sql;
}
/**
* @param TableDiff $diff The table diff to gather the SQL for.
*
* @return array
*/
private function getPreAlterTableAlterIndexForeignKeySQL(TableDiff $diff)
{
$sql = array();
$table = $diff->getName($this)->getQuotedName($this);
foreach ($diff->changedIndexes as $changedIndex) {
// Changed primary key
if ($changedIndex->isPrimary() && $diff->fromTable instanceof Table) {
foreach ($diff->fromTable->getPrimaryKeyColumns() as $columnName) {
$column = $diff->fromTable->getColumn($columnName);
// Check if an autoincrement column was dropped from the primary key.
if ($column->getAutoincrement() && ! in_array($columnName, $changedIndex->getColumns())) {
// 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 ' . $table . ' 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 array
*/
protected function getPreAlterTableRenameIndexForeignKeySQL(TableDiff $diff)
{
$sql = array();
$tableName = $diff->getName($this)->getQuotedName($this);
foreach ($this->getRemainingForeignKeyConstraintsRequiringRenamedIndexes($diff) as $foreignKey) {
if (! in_array($foreignKey, $diff->changedForeignKeys, true)) {
$sql[] = $this->getDropForeignKeySQL($foreignKey, $tableName);
}
}
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 array
*/
private function getRemainingForeignKeyConstraintsRequiringRenamedIndexes(TableDiff $diff)
{
if (empty($diff->renamedIndexes) || ! $diff->fromTable instanceof Table) {
return array();
}
$foreignKeys = array();
/** @var \Doctrine\DBAL\Schema\ForeignKeyConstraint[] $remainingForeignKeys */
$remainingForeignKeys = array_diff_key(
$diff->fromTable->getForeignKeys(),
$diff->removedForeignKeys
);
foreach ($remainingForeignKeys as $foreignKey) {
foreach ($diff->renamedIndexes 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 array
*/
protected function getPostAlterTableRenameIndexForeignKeySQL(TableDiff $diff)
{
$sql = array();
$tableName = (false !== $diff->newName)
? $diff->getNewName()->getQuotedName($this)
: $diff->getName($this)->getQuotedName($this);
foreach ($this->getRemainingForeignKeyConstraintsRequiringRenamedIndexes($diff) as $foreignKey) {
if (! in_array($foreignKey, $diff->changedForeignKeys, true)) {
$sql[] = $this->getCreateForeignKeySQL($foreignKey, $tableName);
}
}
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 $field)
{
return 'INT' . $this->_getCommonIntegerTypeDeclarationSQL($field);
}
/**
* {@inheritDoc}
*/
public function getBigIntTypeDeclarationSQL(array $field)
{
return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSQL($field);
}
/**
* {@inheritDoc}
*/
public function getSmallIntTypeDeclarationSQL(array $field)
{
return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSQL($field);
}
/**
* {@inheritdoc}
*/
public function getFloatDeclarationSQL(array $field)
{
return 'DOUBLE PRECISION' . $this->getUnsignedDeclaration($field);
}
/**
* {@inheritdoc}
*/
public function getDecimalTypeDeclarationSQL(array $columnDef)
{
return parent::getDecimalTypeDeclarationSQL($columnDef) . $this->getUnsignedDeclaration($columnDef);
}
/**
* Get unsigned declaration for a column.
*
* @param array $columnDef
*
* @return string
*/
private function getUnsignedDeclaration(array $columnDef)
{
return ! empty($columnDef['unsigned']) ? ' UNSIGNED' : '';
}
/**
* {@inheritDoc}
*/
protected function _getCommonIntegerTypeDeclarationSQL(array $columnDef)
{
$autoinc = '';
if ( ! empty($columnDef['autoincrement'])) {
$autoinc = ' AUTO_INCREMENT';
}
return $this->getUnsignedDeclaration($columnDef) . $autoinc;
}
/**
* {@inheritDoc}
*/
public function getAdvancedForeignKeyOptionsSQL(\Doctrine\DBAL\Schema\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) {
$indexName = $index->getQuotedName($this);
} elseif (is_string($index)) {
$indexName = $index;
} else {
throw new \InvalidArgumentException('MysqlPlatform::getDropIndexSQL() expects $index parameter to be string or \Doctrine\DBAL\Schema\Index.');
}
if ($table instanceof Table) {
$table = $table->getQuotedName($this);
} elseif (!is_string($table)) {
throw new \InvalidArgumentException('MysqlPlatform::getDropIndexSQL() expects $table parameter to be string or \Doctrine\DBAL\Schema\Table.');
}
if ($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 ' . $table . ' DROP PRIMARY KEY';
}
/**
* {@inheritDoc}
*/
public function getSetTransactionIsolationSQL($level)
{
return 'SET SESSION TRANSACTION ISOLATION LEVEL ' . $this->_getTransactionIsolationLevelSQL($level);
}
/**
* {@inheritDoc}
*/
public function getName()
{
return 'mysql';
}
/**
* {@inheritDoc}
*/
public function getReadLockSQL()
{
return 'LOCK IN SHARE MODE';
}
/**
* {@inheritDoc}
*/
protected function initializeDoctrineTypeMappings()
{
$this->doctrineTypeMapping = array(
'tinyint' => 'boolean',
'smallint' => 'smallint',
'mediumint' => 'integer',
'int' => 'integer',
'integer' => 'integer',
'bigint' => 'bigint',
'tinytext' => 'text',
'mediumtext' => 'text',
'longtext' => 'text',
'text' => 'text',
'varchar' => 'string',
'string' => 'string',
'char' => 'string',
'date' => 'date',
'datetime' => 'datetime',
'timestamp' => 'datetime',
'time' => 'time',
'float' => 'float',
'double' => 'float',
'real' => 'float',
'decimal' => 'decimal',
'numeric' => 'decimal',
'year' => 'date',
'longblob' => 'blob',
'blob' => 'blob',
'mediumblob' => 'blob',
'tinyblob' => 'blob',
'binary' => 'binary',
'varbinary' => 'binary',
'set' => 'simple_array',
);
}
/**
* {@inheritDoc}
*/
public function getVarcharMaxLength()
{
return 65535;
}
/**
* {@inheritdoc}
*/
public function getBinaryMaxLength()
{
return 65535;
}
/**
* {@inheritDoc}
*/
protected function getReservedKeywordsClass()
{
return 'Doctrine\DBAL\Platforms\Keywords\MySQLKeywords';
}
/**
* {@inheritDoc}
*
* MySQL commits a transaction implicitly when DROP TABLE is executed, however not
* if DROP TEMPORARY TABLE is executed.
*/
public function getDropTemporaryTableSQL($table)
{
if ($table instanceof Table) {
$table = $table->getQuotedName($this);
} elseif (!is_string($table)) {
throw new \InvalidArgumentException('getDropTableSQL() expects $table parameter to be string or \Doctrine\DBAL\Schema\Table.');
}
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
*
* @param array $field
*
* @return string
*/
public function getBlobTypeDeclarationSQL(array $field)
{
if ( ! empty($field['length']) && is_numeric($field['length'])) {
$length = $field['length'];
if ($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';
}
}
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