082a0130c2
Signed-off-by: Gergely POLONKAI (W00d5t0ck) <polesz@w00d5t0ck.info>
248 lines
8.3 KiB
PHP
248 lines
8.3 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 LGPL. For more information, see
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* <http://www.phpdoctrine.org>.
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*/
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namespace Doctrine\DBAL\Schema;
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use Doctrine\DBAL\Event\SchemaIndexDefinitionEventArgs;
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use Doctrine\DBAL\Events;
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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/lgpl-license.php LGPL
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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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* @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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* @override
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*/
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protected function _getPortableTableColumnDefinition($tableColumn)
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{
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$dbType = strtolower($tableColumn['TYPE_NAME']);
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$autoincrement = false;
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if (stripos($dbType, 'identity')) {
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$dbType = trim(str_ireplace('identity', '', $dbType));
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$autoincrement = true;
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}
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$type = array();
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$unsigned = $fixed = null;
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if (!isset($tableColumn['name'])) {
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$tableColumn['name'] = '';
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}
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$default = $tableColumn['COLUMN_DEF'];
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while ($default != ($default2 = preg_replace("/^\((.*)\)$/", '$1', $default))) {
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$default = trim($default2, "'");
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}
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$length = (int) $tableColumn['LENGTH'];
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$type = $this->_platform->getDoctrineTypeMapping($dbType);
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switch ($type) {
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case 'char':
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if ($tableColumn['LENGTH'] == '1') {
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$type = 'boolean';
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if (preg_match('/^(is|has)/', $tableColumn['name'])) {
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$type = array_reverse($type);
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}
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}
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$fixed = true;
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break;
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case 'text':
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$fixed = false;
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break;
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}
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switch ($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 = $length / 2;
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break;
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}
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$options = array(
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'length' => ($length == 0 || !in_array($type, array('text', 'string'))) ? null : $length,
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'unsigned' => (bool) $unsigned,
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'fixed' => (bool) $fixed,
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'default' => $default !== 'NULL' ? $default : null,
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'notnull' => (bool) ($tableColumn['IS_NULLABLE'] != 'YES'),
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'scale' => $tableColumn['SCALE'],
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'precision' => $tableColumn['PRECISION'],
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'autoincrement' => $autoincrement,
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);
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return new Column($tableColumn['COLUMN_NAME'], \Doctrine\DBAL\Types\Type::getType($type), $options);
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}
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/**
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* @override
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*/
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protected function _getPortableTableIndexesList($tableIndexRows, $tableName=null)
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{
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$result = array();
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foreach ($tableIndexRows AS $tableIndex) {
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$indexName = $keyName = $tableIndex['index_name'];
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if (strpos($tableIndex['index_description'], 'primary key') !== false) {
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$keyName = 'primary';
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}
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$keyName = strtolower($keyName);
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$result[$keyName] = array(
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'name' => $indexName,
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'columns' => explode(', ', $tableIndex['index_keys']),
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'unique' => strpos($tableIndex['index_description'], 'unique') !== false,
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'primary' => strpos($tableIndex['index_description'], 'primary key') !== false,
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);
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}
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$eventManager = $this->_platform->getEventManager();
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$indexes = array();
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foreach ($result AS $indexKey => $data) {
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$index = null;
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$defaultPrevented = false;
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if (null !== $eventManager && $eventManager->hasListeners(Events::onSchemaIndexDefinition)) {
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$eventArgs = new SchemaIndexDefinitionEventArgs($data, $tableName, $this->_conn);
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$eventManager->dispatchEvent(Events::onSchemaIndexDefinition, $eventArgs);
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$defaultPrevented = $eventArgs->isDefaultPrevented();
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$index = $eventArgs->getIndex();
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}
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if (!$defaultPrevented) {
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$index = new Index($data['name'], $data['columns'], $data['unique'], $data['primary']);
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}
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if ($index) {
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$indexes[$indexKey] = $index;
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}
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}
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return $indexes;
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}
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/**
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* @override
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*/
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public function _getPortableTableForeignKeyDefinition($tableForeignKey)
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{
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return new ForeignKeyConstraint(
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(array) $tableForeignKey['ColumnName'],
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$tableForeignKey['ReferenceTableName'],
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(array) $tableForeignKey['ReferenceColumnName'],
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$tableForeignKey['ForeignKey'],
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array(
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'onUpdate' => str_replace('_', ' ', $tableForeignKey['update_referential_action_desc']),
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'onDelete' => str_replace('_', ' ', $tableForeignKey['delete_referential_action_desc']),
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)
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);
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}
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/**
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* @override
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*/
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protected function _getPortableTableDefinition($table)
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{
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return $table['name'];
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}
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/**
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* @override
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*/
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protected function _getPortableDatabaseDefinition($database)
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{
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return $database['name'];
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}
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/**
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* @override
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*/
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protected function _getPortableViewDefinition($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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* List the indexes for a given table returning an array of Index instances.
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*
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* Keys of the portable indexes list are all lower-cased.
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*
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* @param string $table The name of the table
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* @return Index[] $tableIndexes
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*/
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public function listTableIndexes($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 array();
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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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* @override
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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 " . $constraint['Name']);
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}
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}
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}
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return parent::alterTable($tableDiff);
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}
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/**
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* This function retrieves the constraints for a given column.
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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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