kekrozsak/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php
Polonkai Gergely 082a0130c2 Initial commit with Symfony 2.1+Vendors
Signed-off-by: Gergely POLONKAI (W00d5t0ck) <polesz@w00d5t0ck.info>
2012-07-01 09:52:20 +02:00

248 lines
8.3 KiB
PHP

<?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 LGPL. For more information, see
* <http://www.phpdoctrine.org>.
*/
namespace Doctrine\DBAL\Schema;
use Doctrine\DBAL\Event\SchemaIndexDefinitionEventArgs;
use Doctrine\DBAL\Events;
/**
* SQL Server Schema Manager
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
* @author Juozas Kaziukenas <juozas@juokaz.com>
* @since 2.0
*/
class SQLServerSchemaManager extends AbstractSchemaManager
{
/**
* @override
*/
protected function _getPortableTableColumnDefinition($tableColumn)
{
$dbType = strtolower($tableColumn['TYPE_NAME']);
$autoincrement = false;
if (stripos($dbType, 'identity')) {
$dbType = trim(str_ireplace('identity', '', $dbType));
$autoincrement = true;
}
$type = array();
$unsigned = $fixed = null;
if (!isset($tableColumn['name'])) {
$tableColumn['name'] = '';
}
$default = $tableColumn['COLUMN_DEF'];
while ($default != ($default2 = preg_replace("/^\((.*)\)$/", '$1', $default))) {
$default = trim($default2, "'");
}
$length = (int) $tableColumn['LENGTH'];
$type = $this->_platform->getDoctrineTypeMapping($dbType);
switch ($type) {
case 'char':
if ($tableColumn['LENGTH'] == '1') {
$type = 'boolean';
if (preg_match('/^(is|has)/', $tableColumn['name'])) {
$type = array_reverse($type);
}
}
$fixed = true;
break;
case 'text':
$fixed = false;
break;
}
switch ($dbType) {
case 'nchar':
case 'nvarchar':
case 'ntext':
// Unicode data requires 2 bytes per character
$length = $length / 2;
break;
}
$options = array(
'length' => ($length == 0 || !in_array($type, array('text', 'string'))) ? null : $length,
'unsigned' => (bool) $unsigned,
'fixed' => (bool) $fixed,
'default' => $default !== 'NULL' ? $default : null,
'notnull' => (bool) ($tableColumn['IS_NULLABLE'] != 'YES'),
'scale' => $tableColumn['SCALE'],
'precision' => $tableColumn['PRECISION'],
'autoincrement' => $autoincrement,
);
return new Column($tableColumn['COLUMN_NAME'], \Doctrine\DBAL\Types\Type::getType($type), $options);
}
/**
* @override
*/
protected function _getPortableTableIndexesList($tableIndexRows, $tableName=null)
{
$result = array();
foreach ($tableIndexRows AS $tableIndex) {
$indexName = $keyName = $tableIndex['index_name'];
if (strpos($tableIndex['index_description'], 'primary key') !== false) {
$keyName = 'primary';
}
$keyName = strtolower($keyName);
$result[$keyName] = array(
'name' => $indexName,
'columns' => explode(', ', $tableIndex['index_keys']),
'unique' => strpos($tableIndex['index_description'], 'unique') !== false,
'primary' => strpos($tableIndex['index_description'], 'primary key') !== false,
);
}
$eventManager = $this->_platform->getEventManager();
$indexes = array();
foreach ($result AS $indexKey => $data) {
$index = null;
$defaultPrevented = false;
if (null !== $eventManager && $eventManager->hasListeners(Events::onSchemaIndexDefinition)) {
$eventArgs = new SchemaIndexDefinitionEventArgs($data, $tableName, $this->_conn);
$eventManager->dispatchEvent(Events::onSchemaIndexDefinition, $eventArgs);
$defaultPrevented = $eventArgs->isDefaultPrevented();
$index = $eventArgs->getIndex();
}
if (!$defaultPrevented) {
$index = new Index($data['name'], $data['columns'], $data['unique'], $data['primary']);
}
if ($index) {
$indexes[$indexKey] = $index;
}
}
return $indexes;
}
/**
* @override
*/
public function _getPortableTableForeignKeyDefinition($tableForeignKey)
{
return new ForeignKeyConstraint(
(array) $tableForeignKey['ColumnName'],
$tableForeignKey['ReferenceTableName'],
(array) $tableForeignKey['ReferenceColumnName'],
$tableForeignKey['ForeignKey'],
array(
'onUpdate' => str_replace('_', ' ', $tableForeignKey['update_referential_action_desc']),
'onDelete' => str_replace('_', ' ', $tableForeignKey['delete_referential_action_desc']),
)
);
}
/**
* @override
*/
protected function _getPortableTableDefinition($table)
{
return $table['name'];
}
/**
* @override
*/
protected function _getPortableDatabaseDefinition($database)
{
return $database['name'];
}
/**
* @override
*/
protected function _getPortableViewDefinition($view)
{
// @todo
return new View($view['name'], null);
}
/**
* List the indexes for a given table returning an array of Index instances.
*
* Keys of the portable indexes list are all lower-cased.
*
* @param string $table The name of the table
* @return Index[] $tableIndexes
*/
public function listTableIndexes($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;
}
}
return $this->_getPortableTableIndexesList($tableIndexes, $table);
}
/**
* @override
*/
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 " . $constraint['Name']);
}
}
}
return parent::alterTable($tableDiff);
}
/**
* This function retrieves the constraints for a given column.
*/
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]";
}
}