324 lines
11 KiB
PHP
324 lines
11 KiB
PHP
<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Schema;
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use Doctrine\DBAL\DBALException;
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use Doctrine\DBAL\Driver\DriverException;
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use Doctrine\DBAL\Types\Type;
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use function count;
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use function in_array;
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use function preg_replace;
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use function sprintf;
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use function str_replace;
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use function strpos;
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use function strtok;
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use function trim;
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/**
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* SQL Server Schema Manager.
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*
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* @license http://www.opensource.org/licenses/mit-license.php MIT
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* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
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* @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
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* @author Juozas Kaziukenas <juozas@juokaz.com>
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* @author Steve Müller <st.mueller@dzh-online.de>
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* @since 2.0
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*/
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class SQLServerSchemaManager extends AbstractSchemaManager
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{
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/**
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* {@inheritdoc}
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*/
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public function dropDatabase($database)
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{
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try {
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parent::dropDatabase($database);
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} catch (DBALException $exception) {
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$exception = $exception->getPrevious();
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if (! $exception instanceof DriverException) {
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throw $exception;
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}
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// If we have a error code 3702, the drop database operation failed
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// because of active connections on the database.
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// To force dropping the database, we first have to close all active connections
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// on that database and issue the drop database operation again.
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if ($exception->getErrorCode() !== 3702) {
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throw $exception;
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}
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$this->closeActiveDatabaseConnections($database);
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parent::dropDatabase($database);
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableSequenceDefinition($sequence)
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{
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return new Sequence($sequence['name'], (int) $sequence['increment'], (int) $sequence['start_value']);
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableTableColumnDefinition($tableColumn)
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{
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$dbType = strtok($tableColumn['type'], '(), ');
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$fixed = null;
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$length = (int) $tableColumn['length'];
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$default = $tableColumn['default'];
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if (!isset($tableColumn['name'])) {
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$tableColumn['name'] = '';
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}
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while ($default != ($default2 = preg_replace("/^\((.*)\)$/", '$1', $default))) {
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$default = trim($default2, "'");
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if ($default == 'getdate()') {
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$default = $this->_platform->getCurrentTimestampSQL();
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}
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}
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switch ($dbType) {
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case 'nchar':
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case 'nvarchar':
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case 'ntext':
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// Unicode data requires 2 bytes per character
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$length = $length / 2;
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break;
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case 'varchar':
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// TEXT type is returned as VARCHAR(MAX) with a length of -1
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if ($length == -1) {
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$dbType = 'text';
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}
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break;
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}
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if ('char' === $dbType || 'nchar' === $dbType || 'binary' === $dbType) {
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$fixed = true;
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}
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$type = $this->_platform->getDoctrineTypeMapping($dbType);
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$type = $this->extractDoctrineTypeFromComment($tableColumn['comment'], $type);
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$tableColumn['comment'] = $this->removeDoctrineTypeFromComment($tableColumn['comment'], $type);
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$options = [
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'length' => ($length == 0 || !in_array($type, ['text', 'string'])) ? null : $length,
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'unsigned' => false,
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'fixed' => (bool) $fixed,
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'default' => $default !== 'NULL' ? $default : null,
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'notnull' => (bool) $tableColumn['notnull'],
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'scale' => $tableColumn['scale'],
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'precision' => $tableColumn['precision'],
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'autoincrement' => (bool) $tableColumn['autoincrement'],
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'comment' => $tableColumn['comment'] !== '' ? $tableColumn['comment'] : null,
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];
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$column = new Column($tableColumn['name'], Type::getType($type), $options);
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if (isset($tableColumn['collation']) && $tableColumn['collation'] !== 'NULL') {
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$column->setPlatformOption('collation', $tableColumn['collation']);
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}
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return $column;
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableTableForeignKeysList($tableForeignKeys)
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{
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$foreignKeys = [];
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foreach ($tableForeignKeys as $tableForeignKey) {
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if ( ! isset($foreignKeys[$tableForeignKey['ForeignKey']])) {
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$foreignKeys[$tableForeignKey['ForeignKey']] = [
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'local_columns' => [$tableForeignKey['ColumnName']],
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'foreign_table' => $tableForeignKey['ReferenceTableName'],
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'foreign_columns' => [$tableForeignKey['ReferenceColumnName']],
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'name' => $tableForeignKey['ForeignKey'],
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'options' => [
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'onUpdate' => str_replace('_', ' ', $tableForeignKey['update_referential_action_desc']),
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'onDelete' => str_replace('_', ' ', $tableForeignKey['delete_referential_action_desc'])
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]
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];
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} else {
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$foreignKeys[$tableForeignKey['ForeignKey']]['local_columns'][] = $tableForeignKey['ColumnName'];
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$foreignKeys[$tableForeignKey['ForeignKey']]['foreign_columns'][] = $tableForeignKey['ReferenceColumnName'];
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}
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}
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return parent::_getPortableTableForeignKeysList($foreignKeys);
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableTableIndexesList($tableIndexRows, $tableName=null)
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{
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foreach ($tableIndexRows as &$tableIndex) {
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$tableIndex['non_unique'] = (boolean) $tableIndex['non_unique'];
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$tableIndex['primary'] = (boolean) $tableIndex['primary'];
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$tableIndex['flags'] = $tableIndex['flags'] ? [$tableIndex['flags']] : null;
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}
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return parent::_getPortableTableIndexesList($tableIndexRows, $tableName);
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableTableForeignKeyDefinition($tableForeignKey)
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{
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return new ForeignKeyConstraint(
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$tableForeignKey['local_columns'],
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$tableForeignKey['foreign_table'],
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$tableForeignKey['foreign_columns'],
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$tableForeignKey['name'],
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$tableForeignKey['options']
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);
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableTableDefinition($table)
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{
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if (isset($table['schema_name']) && $table['schema_name'] !== 'dbo') {
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return $table['schema_name'] . '.' . $table['name'];
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}
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return $table['name'];
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableDatabaseDefinition($database)
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{
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return $database['name'];
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}
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/**
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* {@inheritdoc}
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*/
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protected function getPortableNamespaceDefinition(array $namespace)
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{
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return $namespace['name'];
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}
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/**
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* {@inheritdoc}
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*/
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protected function _getPortableViewDefinition($view)
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{
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// @todo
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return new View($view['name'], null);
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}
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/**
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* {@inheritdoc}
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*/
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public function listTableIndexes($table)
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{
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$sql = $this->_platform->getListTableIndexesSQL($table, $this->_conn->getDatabase());
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try {
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$tableIndexes = $this->_conn->fetchAll($sql);
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} catch (\PDOException $e) {
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if ($e->getCode() == "IMSSP") {
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return [];
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} else {
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throw $e;
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}
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} catch (DBALException $e) {
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if (strpos($e->getMessage(), 'SQLSTATE [01000, 15472]') === 0) {
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return [];
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} else {
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throw $e;
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}
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}
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return $this->_getPortableTableIndexesList($tableIndexes, $table);
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}
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/**
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* {@inheritdoc}
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*/
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public function alterTable(TableDiff $tableDiff)
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{
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if (count($tableDiff->removedColumns) > 0) {
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foreach ($tableDiff->removedColumns as $col) {
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$columnConstraintSql = $this->getColumnConstraintSQL($tableDiff->name, $col->getName());
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foreach ($this->_conn->fetchAll($columnConstraintSql) as $constraint) {
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$this->_conn->exec("ALTER TABLE $tableDiff->name DROP CONSTRAINT " . $constraint['Name']);
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}
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}
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}
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parent::alterTable($tableDiff);
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}
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/**
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* Returns the SQL to retrieve the constraints for a given column.
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*
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* @param string $table
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* @param string $column
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*
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* @return string
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*/
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private function getColumnConstraintSQL($table, $column)
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{
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return "SELECT SysObjects.[Name]
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FROM SysObjects INNER JOIN (SELECT [Name],[ID] FROM SysObjects WHERE XType = 'U') AS Tab
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ON Tab.[ID] = Sysobjects.[Parent_Obj]
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INNER JOIN sys.default_constraints DefCons ON DefCons.[object_id] = Sysobjects.[ID]
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INNER JOIN SysColumns Col ON Col.[ColID] = DefCons.[parent_column_id] AND Col.[ID] = Tab.[ID]
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WHERE Col.[Name] = " . $this->_conn->quote($column) ." AND Tab.[Name] = " . $this->_conn->quote($table) . "
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ORDER BY Col.[Name]";
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}
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/**
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* Closes currently active connections on the given database.
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*
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* This is useful to force DROP DATABASE operations which could fail because of active connections.
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*
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* @param string $database The name of the database to close currently active connections for.
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*
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* @return void
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*/
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private function closeActiveDatabaseConnections($database)
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{
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$database = new Identifier($database);
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$this->_execSql(
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sprintf(
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'ALTER DATABASE %s SET SINGLE_USER WITH ROLLBACK IMMEDIATE',
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$database->getQuotedName($this->_platform)
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)
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);
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}
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}
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