<?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\Schema;
use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\Driver\DriverException;
use Doctrine\DBAL\Types\Type;
/**
* SQL Server Schema Manager.
*
* @license http://www.opensource.org/licenses/mit-license.php MIT
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
* @author Juozas Kaziukenas <juozas@juokaz.com>
* @author Steve Müller <st.mueller@dzh-online.de>
* @since 2.0
*/
class SQLServerSchemaManager extends AbstractSchemaManager
{
/**
* {@inheritdoc}
*/
public function dropDatabase($database)
{
try {
parent::dropDatabase($database);
} catch (DBALException $exception) {
$exception = $exception->getPrevious();
if (! $exception instanceof DriverException) {
throw $exception;
}
// If we have a error code 3702, the drop database operation failed
// because of active connections on the database.
// To force dropping the database, we first have to close all active connections
// on that database and issue the drop database operation again.
if ($exception->getErrorCode() !== 3702) {
throw $exception;
}
$this->closeActiveDatabaseConnections($database);
parent::dropDatabase($database);
}
}
/**
* {@inheritdoc}
*/
protected function _getPortableSequenceDefinition($sequence)
{
return new Sequence($sequence['name'], $sequence['increment'], $sequence['start_value']);
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableColumnDefinition($tableColumn)
{
$dbType = strtok($tableColumn['type'], '(), ');
$fixed = null;
$length = (int) $tableColumn['length'];
$default = $tableColumn['default'];
if (!isset($tableColumn['name'])) {
$tableColumn['name'] = '';
}
while ($default != ($default2 = preg_replace("/^\((.*)\)$/", '$1', $default))) {
$default = trim($default2, "'");
if ($default == 'getdate()') {
$default = $this->_platform->getCurrentTimestampSQL();
}
}
switch ($dbType) {
case 'nchar':
case 'nvarchar':
case 'ntext':
// Unicode data requires 2 bytes per character
$length = $length / 2;
break;
case 'varchar':
// TEXT type is returned as VARCHAR(MAX) with a length of -1
if ($length == -1) {
$dbType = 'text';
}
break;
}
if ('char' === $dbType || 'nchar' === $dbType || 'binary' === $dbType) {
$fixed = true;
}
$type = $this->_platform->getDoctrineTypeMapping($dbType);
$type = $this->extractDoctrineTypeFromComment($tableColumn['comment'], $type);
$tableColumn['comment'] = $this->removeDoctrineTypeFromComment($tableColumn['comment'], $type);
$options = array(
'length' => ($length == 0 || !in_array($type, array('text', 'string'))) ? null : $length,
'unsigned' => false,
'fixed' => (bool) $fixed,
'default' => $default !== 'NULL' ? $default : null,
'notnull' => (bool) $tableColumn['notnull'],
'scale' => $tableColumn['scale'],
'precision' => $tableColumn['precision'],
'autoincrement' => (bool) $tableColumn['autoincrement'],
'comment' => $tableColumn['comment'] !== '' ? $tableColumn['comment'] : null,
);
$column = new Column($tableColumn['name'], Type::getType($type), $options);
if (isset($tableColumn['collation']) && $tableColumn['collation'] !== 'NULL') {
$column->setPlatformOption('collation', $tableColumn['collation']);
}
return $column;
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableForeignKeysList($tableForeignKeys)
{
$foreignKeys = array();
foreach ($tableForeignKeys as $tableForeignKey) {
if ( ! isset($foreignKeys[$tableForeignKey['ForeignKey']])) {
$foreignKeys[$tableForeignKey['ForeignKey']] = array(
'local_columns' => array($tableForeignKey['ColumnName']),
'foreign_table' => $tableForeignKey['ReferenceTableName'],
'foreign_columns' => array($tableForeignKey['ReferenceColumnName']),
'name' => $tableForeignKey['ForeignKey'],
'options' => array(
'onUpdate' => str_replace('_', ' ', $tableForeignKey['update_referential_action_desc']),
'onDelete' => str_replace('_', ' ', $tableForeignKey['delete_referential_action_desc'])
)
);
} else {
$foreignKeys[$tableForeignKey['ForeignKey']]['local_columns'][] = $tableForeignKey['ColumnName'];
$foreignKeys[$tableForeignKey['ForeignKey']]['foreign_columns'][] = $tableForeignKey['ReferenceColumnName'];
}
}
return parent::_getPortableTableForeignKeysList($foreignKeys);
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableIndexesList($tableIndexRows, $tableName=null)
{
foreach ($tableIndexRows as &$tableIndex) {
$tableIndex['non_unique'] = (boolean) $tableIndex['non_unique'];
$tableIndex['primary'] = (boolean) $tableIndex['primary'];
$tableIndex['flags'] = $tableIndex['flags'] ? array($tableIndex['flags']) : null;
}
return parent::_getPortableTableIndexesList($tableIndexRows, $tableName);
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableForeignKeyDefinition($tableForeignKey)
{
return new ForeignKeyConstraint(
$tableForeignKey['local_columns'],
$tableForeignKey['foreign_table'],
$tableForeignKey['foreign_columns'],
$tableForeignKey['name'],
$tableForeignKey['options']
);
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableDefinition($table)
{
return $table['name'];
}
/**
* {@inheritdoc}
*/
protected function _getPortableDatabaseDefinition($database)
{
return $database['name'];
}
/**
* {@inheritdoc}
*/
protected function getPortableNamespaceDefinition(array $namespace)
{
return $namespace['name'];
}
/**
* {@inheritdoc}
*/
protected function _getPortableViewDefinition($view)
{
// @todo
return new View($view['name'], null);
}
/**
* {@inheritdoc}
*/
public function listTableIndexes($table)
{
$sql = $this->_platform->getListTableIndexesSQL($table, $this->_conn->getDatabase());
try {
$tableIndexes = $this->_conn->fetchAll($sql);
} catch (\PDOException $e) {
if ($e->getCode() == "IMSSP") {
return array();
} else {
throw $e;
}
} catch (DBALException $e) {
if (strpos($e->getMessage(), 'SQLSTATE [01000, 15472]') === 0) {
return array();
} else {
throw $e;
}
}
return $this->_getPortableTableIndexesList($tableIndexes, $table);
}
/**
* {@inheritdoc}
*/
public function alterTable(TableDiff $tableDiff)
{
if (count($tableDiff->removedColumns) > 0) {
foreach ($tableDiff->removedColumns as $col) {
$columnConstraintSql = $this->getColumnConstraintSQL($tableDiff->name, $col->getName());
foreach ($this->_conn->fetchAll($columnConstraintSql) as $constraint) {
$this->_conn->exec("ALTER TABLE $tableDiff->name DROP CONSTRAINT " . $constraint['Name']);
}
}
}
parent::alterTable($tableDiff);
}
/**
* Returns the SQL to retrieve the constraints for a given column.
*
* @param string $table
* @param string $column
*
* @return string
*/
private function getColumnConstraintSQL($table, $column)
{
return "SELECT SysObjects.[Name]
FROM SysObjects INNER JOIN (SELECT [Name],[ID] FROM SysObjects WHERE XType = 'U') AS Tab
ON Tab.[ID] = Sysobjects.[Parent_Obj]
INNER JOIN sys.default_constraints DefCons ON DefCons.[object_id] = Sysobjects.[ID]
INNER JOIN SysColumns Col ON Col.[ColID] = DefCons.[parent_column_id] AND Col.[ID] = Tab.[ID]
WHERE Col.[Name] = " . $this->_conn->quote($column) ." AND Tab.[Name] = " . $this->_conn->quote($table) . "
ORDER BY Col.[Name]";
}
/**
* Closes currently active connections on the given database.
*
* This is useful to force DROP DATABASE operations which could fail because of active connections.
*
* @param string $database The name of the database to close currently active connections for.
*
* @return void
*/
private function closeActiveDatabaseConnections($database)
{
$database = new Identifier($database);
$this->_execSql(
sprintf(
'ALTER DATABASE %s SET SINGLE_USER WITH ROLLBACK IMMEDIATE',
$database->getQuotedName($this->_platform)
)
);
}
}