866 lines
23 KiB
PHP
866 lines
23 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.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Platforms;
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use Doctrine\DBAL\Schema\TableDiff;
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use Doctrine\DBAL\DBALException;
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use Doctrine\DBAL\Schema\Index,
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Doctrine\DBAL\Schema\Table;
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/**
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* The SQLServerPlatform provides the behavior, features and SQL dialect of the
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* Microsoft SQL Server database platform.
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*
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* @since 2.0
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* @author Roman Borschel <roman@code-factory.org>
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* @author Jonathan H. Wage <jonwage@gmail.com>
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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*/
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class SQLServerPlatform extends AbstractPlatform
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{
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/**
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* {@inheritDoc}
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*/
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public function getDateDiffExpression($date1, $date2)
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{
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return 'DATEDIFF(day, ' . $date2 . ',' . $date1 . ')';
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}
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public function getDateAddDaysExpression($date, $days)
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{
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return 'DATEADD(day, ' . $days . ', ' . $date . ')';
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}
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public function getDateSubDaysExpression($date, $days)
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{
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return 'DATEADD(day, -1 * ' . $days . ', ' . $date . ')';
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}
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public function getDateAddMonthExpression($date, $months)
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{
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return 'DATEADD(month, ' . $months . ', ' . $date . ')';
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}
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public function getDateSubMonthExpression($date, $months)
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{
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return 'DATEADD(month, -1 * ' . $months . ', ' . $date . ')';
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}
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/**
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* Whether the platform prefers identity columns for ID generation.
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* MsSql prefers "autoincrement" identity columns since sequences can only
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* be emulated with a table.
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*
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* @return boolean
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* @override
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*/
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public function prefersIdentityColumns()
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{
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return true;
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}
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/**
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* Whether the platform supports identity columns.
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* MsSql supports this through AUTO_INCREMENT columns.
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*
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* @return boolean
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* @override
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*/
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public function supportsIdentityColumns()
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{
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return true;
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}
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/**
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* Whether the platform supports releasing savepoints.
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*
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* @return boolean
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*/
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public function supportsReleaseSavepoints()
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{
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return false;
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}
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/**
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* create a new database
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*
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* @param string $name name of the database that should be created
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* @return string
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* @override
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*/
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public function getCreateDatabaseSQL($name)
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{
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return 'CREATE DATABASE ' . $name;
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}
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/**
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* drop an existing database
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*
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* @param string $name name of the database that should be dropped
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* @return string
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* @override
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*/
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public function getDropDatabaseSQL($name)
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{
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return 'DROP DATABASE ' . $name;
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}
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/**
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* @override
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*/
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public function supportsCreateDropDatabase()
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{
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return false;
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}
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/**
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* @override
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*/
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public function getDropForeignKeySQL($foreignKey, $table)
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{
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if ($foreignKey instanceof \Doctrine\DBAL\Schema\ForeignKeyConstraint) {
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$foreignKey = $foreignKey->getQuotedName($this);
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}
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if ($table instanceof \Doctrine\DBAL\Schema\Table) {
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$table = $table->getQuotedName($this);
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}
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return 'ALTER TABLE ' . $table . ' DROP CONSTRAINT ' . $foreignKey;
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}
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/**
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* @override
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*/
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public function getDropIndexSQL($index, $table=null)
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{
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if ($index instanceof \Doctrine\DBAL\Schema\Index) {
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$index_ = $index;
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$index = $index->getQuotedName($this);
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} else if (!is_string($index)) {
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throw new \InvalidArgumentException('AbstractPlatform::getDropIndexSQL() expects $index parameter to be string or \Doctrine\DBAL\Schema\Index.');
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}
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if (!isset($table)) {
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return 'DROP INDEX ' . $index;
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} else {
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if ($table instanceof \Doctrine\DBAL\Schema\Table) {
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$table = $table->getQuotedName($this);
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}
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return "IF EXISTS (SELECT * FROM sysobjects WHERE name = '$index')
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ALTER TABLE " . $table . " DROP CONSTRAINT " . $index . "
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ELSE
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DROP INDEX " . $index . " ON " . $table;
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}
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}
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/**
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* @override
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*/
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protected function _getCreateTableSQL($tableName, array $columns, array $options = array())
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{
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// @todo does other code breaks because of this?
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// foce primary keys to be not null
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foreach ($columns as &$column) {
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if (isset($column['primary']) && $column['primary']) {
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$column['notnull'] = true;
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}
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}
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$columnListSql = $this->getColumnDeclarationListSQL($columns);
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if (isset($options['uniqueConstraints']) && !empty($options['uniqueConstraints'])) {
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foreach ($options['uniqueConstraints'] as $name => $definition) {
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$columnListSql .= ', ' . $this->getUniqueConstraintDeclarationSQL($name, $definition);
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}
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}
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if (isset($options['primary']) && !empty($options['primary'])) {
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$columnListSql .= ', PRIMARY KEY(' . implode(', ', array_unique(array_values($options['primary']))) . ')';
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}
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$query = 'CREATE TABLE ' . $tableName . ' (' . $columnListSql;
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$check = $this->getCheckDeclarationSQL($columns);
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if (!empty($check)) {
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$query .= ', ' . $check;
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}
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$query .= ')';
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$sql[] = $query;
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if (isset($options['indexes']) && !empty($options['indexes'])) {
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foreach ($options['indexes'] AS $index) {
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$sql[] = $this->getCreateIndexSQL($index, $tableName);
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}
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}
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if (isset($options['foreignKeys'])) {
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foreach ((array) $options['foreignKeys'] AS $definition) {
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$sql[] = $this->getCreateForeignKeySQL($definition, $tableName);
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}
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}
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return $sql;
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}
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/**
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* @override
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*/
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public function getUniqueConstraintDeclarationSQL($name, Index $index)
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{
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$constraint = parent::getUniqueConstraintDeclarationSQL($name, $index);
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$constraint = $this->_appendUniqueConstraintDefinition($constraint, $index);
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return $constraint;
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}
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/**
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* @override
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*/
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public function getCreateIndexSQL(Index $index, $table)
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{
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$constraint = parent::getCreateIndexSQL($index, $table);
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if ($index->isUnique()) {
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$constraint = $this->_appendUniqueConstraintDefinition($constraint, $index);
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}
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return $constraint;
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}
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/**
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* Extend unique key constraint with required filters
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*
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* @param string $sql
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* @param Index $index
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* @return string
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*/
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private function _appendUniqueConstraintDefinition($sql, Index $index)
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{
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$fields = array();
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foreach ($index->getColumns() as $field => $definition) {
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if (!is_array($definition)) {
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$field = $definition;
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}
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$fields[] = $field . ' IS NOT NULL';
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}
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return $sql . ' WHERE ' . implode(' AND ', $fields);
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}
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/**
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* @override
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*/
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public function getAlterTableSQL(TableDiff $diff)
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{
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$queryParts = array();
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$sql = array();
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$columnSql = array();
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if ($diff->newName !== false) {
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$queryParts[] = 'RENAME TO ' . $diff->newName;
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}
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foreach ($diff->addedColumns AS $fieldName => $column) {
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if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
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continue;
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}
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$queryParts[] = 'ADD ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
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}
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foreach ($diff->removedColumns AS $column) {
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if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
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continue;
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}
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$queryParts[] = 'DROP COLUMN ' . $column->getQuotedName($this);
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}
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foreach ($diff->changedColumns AS $columnDiff) {
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if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
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continue;
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}
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/* @var $columnDiff Doctrine\DBAL\Schema\ColumnDiff */
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$column = $columnDiff->column;
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$queryParts[] = 'ALTER COLUMN ' .
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$this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
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}
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foreach ($diff->renamedColumns AS $oldColumnName => $column) {
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if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
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continue;
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}
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$sql[] = "sp_RENAME '". $diff->name. ".". $oldColumnName . "' , '".$column->getQuotedName($this)."', 'COLUMN'";
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$queryParts[] = 'ALTER COLUMN ' .
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$this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
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}
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$tableSql = array();
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if ($this->onSchemaAlterTable($diff, $tableSql)) {
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return array_merge($tableSql, $columnSql);
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}
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foreach ($queryParts as $query) {
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$sql[] = 'ALTER TABLE ' . $diff->name . ' ' . $query;
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}
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$sql = array_merge($sql, $this->_getAlterTableIndexForeignKeySQL($diff));
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return array_merge($sql, $tableSql, $columnSql);
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}
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/**
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* @override
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*/
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public function getEmptyIdentityInsertSQL($quotedTableName, $quotedIdentifierColumnName)
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{
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return 'INSERT INTO ' . $quotedTableName . ' DEFAULT VALUES';
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}
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/**
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* @override
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*/
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public function getShowDatabasesSQL()
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{
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return 'SHOW DATABASES';
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}
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/**
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* @override
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*/
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public function getListTablesSQL()
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{
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// "sysdiagrams" table must be ignored as it's internal SQL Server table for Database Diagrams
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return "SELECT name FROM sysobjects WHERE type = 'U' AND name != 'sysdiagrams' ORDER BY name";
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}
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/**
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* @override
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*/
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public function getListTableColumnsSQL($table, $database = null)
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{
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return "exec sp_columns @table_name = '" . $table . "'";
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}
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/**
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* @override
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*/
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public function getListTableForeignKeysSQL($table, $database = null)
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{
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return "SELECT f.name AS ForeignKey,
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SCHEMA_NAME (f.SCHEMA_ID) AS SchemaName,
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OBJECT_NAME (f.parent_object_id) AS TableName,
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COL_NAME (fc.parent_object_id,fc.parent_column_id) AS ColumnName,
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SCHEMA_NAME (o.SCHEMA_ID) ReferenceSchemaName,
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OBJECT_NAME (f.referenced_object_id) AS ReferenceTableName,
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COL_NAME(fc.referenced_object_id,fc.referenced_column_id) AS ReferenceColumnName,
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f.delete_referential_action_desc,
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f.update_referential_action_desc
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FROM sys.foreign_keys AS f
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INNER JOIN sys.foreign_key_columns AS fc
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INNER JOIN sys.objects AS o ON o.OBJECT_ID = fc.referenced_object_id
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ON f.OBJECT_ID = fc.constraint_object_id
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WHERE OBJECT_NAME (f.parent_object_id) = '" . $table . "'";
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}
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/**
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* @override
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*/
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public function getListTableIndexesSQL($table, $currentDatabase = null)
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{
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return "exec sp_helpindex '" . $table . "'";
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}
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/**
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* @override
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*/
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public function getCreateViewSQL($name, $sql)
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{
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return 'CREATE VIEW ' . $name . ' AS ' . $sql;
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}
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/**
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* @override
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*/
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public function getListViewsSQL($database)
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{
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return "SELECT name FROM sysobjects WHERE type = 'V' ORDER BY name";
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}
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/**
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* @override
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*/
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public function getDropViewSQL($name)
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{
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return 'DROP VIEW ' . $name;
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}
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/**
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* Returns the regular expression operator.
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*
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* @return string
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* @override
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*/
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public function getRegexpExpression()
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{
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return 'RLIKE';
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}
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/**
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* Returns global unique identifier
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*
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* @return string to get global unique identifier
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* @override
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*/
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public function getGuidExpression()
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{
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return 'UUID()';
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}
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/**
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* @override
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*/
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public function getLocateExpression($str, $substr, $startPos = false)
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{
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if ($startPos == false) {
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return 'CHARINDEX(' . $substr . ', ' . $str . ')';
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} else {
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return 'CHARINDEX(' . $substr . ', ' . $str . ', ' . $startPos . ')';
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}
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}
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/**
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* @override
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*/
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public function getModExpression($expression1, $expression2)
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{
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return $expression1 . ' % ' . $expression2;
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}
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/**
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* @override
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*/
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public function getTrimExpression($str, $pos = self::TRIM_UNSPECIFIED, $char = false)
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{
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$trimFn = '';
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if (!$char) {
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if ($pos == self::TRIM_LEADING) {
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$trimFn = 'LTRIM';
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} else if ($pos == self::TRIM_TRAILING) {
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$trimFn = 'RTRIM';
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} else {
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return 'LTRIM(RTRIM(' . $str . '))';
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}
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return $trimFn . '(' . $str . ')';
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} else {
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/** Original query used to get those expressions
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declare @c varchar(100) = 'xxxBarxxx', @trim_char char(1) = 'x';
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declare @pat varchar(10) = '%[^' + @trim_char + ']%';
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select @c as string
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, @trim_char as trim_char
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, stuff(@c, 1, patindex(@pat, @c) - 1, null) as trim_leading
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, reverse(stuff(reverse(@c), 1, patindex(@pat, reverse(@c)) - 1, null)) as trim_trailing
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, reverse(stuff(reverse(stuff(@c, 1, patindex(@pat, @c) - 1, null)), 1, patindex(@pat, reverse(stuff(@c, 1, patindex(@pat, @c) - 1, null))) - 1, null)) as trim_both;
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*/
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$pattern = "'%[^' + $char + ']%'";
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if ($pos == self::TRIM_LEADING) {
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return 'stuff(' . $str . ', 1, patindex(' . $pattern . ', ' . $str . ') - 1, null)';
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} else if ($pos == self::TRIM_TRAILING) {
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return 'reverse(stuff(reverse(' . $str . '), 1, patindex(' . $pattern . ', reverse(' . $str . ')) - 1, null))';
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} else {
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return 'reverse(stuff(reverse(stuff(' . $str . ', 1, patindex(' . $pattern . ', ' . $str . ') - 1, null)), 1, patindex(' . $pattern . ', reverse(stuff(' . $str . ', 1, patindex(' . $pattern . ', ' . $str . ') - 1, null))) - 1, null))';
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}
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}
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}
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/**
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* @override
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*/
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public function getConcatExpression()
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{
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$args = func_get_args();
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return '(' . implode(' + ', $args) . ')';
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}
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public function getListDatabasesSQL()
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{
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return 'SELECT * FROM SYS.DATABASES';
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}
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/**
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* @override
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*/
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public function getSubstringExpression($value, $from, $len = null)
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{
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if (!is_null($len)) {
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return 'SUBSTRING(' . $value . ', ' . $from . ', ' . $len . ')';
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}
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return 'SUBSTRING(' . $value . ', ' . $from . ', LEN(' . $value . ') - ' . $from . ' + 1)';
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}
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/**
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* @override
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*/
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public function getLengthExpression($column)
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{
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return 'LEN(' . $column . ')';
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}
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/**
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* @override
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*/
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public function getSetTransactionIsolationSQL($level)
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{
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return 'SET TRANSACTION ISOLATION LEVEL ' . $this->_getTransactionIsolationLevelSQL($level);
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}
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/**
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* @override
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*/
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public function getIntegerTypeDeclarationSQL(array $field)
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{
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return 'INT' . $this->_getCommonIntegerTypeDeclarationSQL($field);
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}
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/**
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* @override
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*/
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public function getBigIntTypeDeclarationSQL(array $field)
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{
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return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSQL($field);
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}
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/**
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* @override
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*/
|
|
public function getSmallIntTypeDeclarationSQL(array $field)
|
|
{
|
|
return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSQL($field);
|
|
}
|
|
|
|
/** @override */
|
|
protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed)
|
|
{
|
|
return $fixed ? ($length ? 'NCHAR(' . $length . ')' : 'CHAR(255)') : ($length ? 'NVARCHAR(' . $length . ')' : 'NVARCHAR(255)');
|
|
}
|
|
|
|
/** @override */
|
|
public function getClobTypeDeclarationSQL(array $field)
|
|
{
|
|
return 'TEXT';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
protected function _getCommonIntegerTypeDeclarationSQL(array $columnDef)
|
|
{
|
|
$autoinc = '';
|
|
if (!empty($columnDef['autoincrement'])) {
|
|
$autoinc = ' IDENTITY';
|
|
}
|
|
$unsigned = (isset($columnDef['unsigned']) && $columnDef['unsigned']) ? ' UNSIGNED' : '';
|
|
|
|
return $unsigned . $autoinc;
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getDateTimeTypeDeclarationSQL(array $fieldDeclaration)
|
|
{
|
|
return 'DATETIME';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getDateTypeDeclarationSQL(array $fieldDeclaration)
|
|
{
|
|
return 'DATETIME';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getTimeTypeDeclarationSQL(array $fieldDeclaration)
|
|
{
|
|
return 'DATETIME';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getBooleanTypeDeclarationSQL(array $field)
|
|
{
|
|
return 'BIT';
|
|
}
|
|
|
|
/**
|
|
* Adds an adapter-specific LIMIT clause to the SELECT statement.
|
|
*
|
|
* @param string $query
|
|
* @param integer $limit
|
|
* @param integer $offset
|
|
* @link http://lists.bestpractical.com/pipermail/rt-devel/2005-June/007339.html
|
|
* @return string
|
|
*/
|
|
protected function doModifyLimitQuery($query, $limit, $offset = null)
|
|
{
|
|
if ($limit > 0) {
|
|
if ($offset == 0) {
|
|
$query = preg_replace('/^(SELECT\s(DISTINCT\s)?)/i', '\1TOP ' . $limit . ' ', $query);
|
|
} else {
|
|
$orderby = stristr($query, 'ORDER BY');
|
|
|
|
if (!$orderby) {
|
|
$over = 'ORDER BY (SELECT 0)';
|
|
} else {
|
|
$over = preg_replace('/\"[^,]*\".\"([^,]*)\"/i', '"inner_tbl"."$1"', $orderby);
|
|
}
|
|
|
|
// Remove ORDER BY clause from $query
|
|
$query = preg_replace('/\s+ORDER BY(.*)/', '', $query);
|
|
$query = preg_replace('/^SELECT\s/', '', $query);
|
|
|
|
$start = $offset + 1;
|
|
$end = $offset + $limit;
|
|
|
|
$query = "SELECT * FROM (SELECT ROW_NUMBER() OVER ($over) AS \"doctrine_rownum\", $query) AS doctrine_tbl WHERE \"doctrine_rownum\" BETWEEN $start AND $end";
|
|
}
|
|
}
|
|
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function supportsLimitOffset()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function convertBooleans($item)
|
|
{
|
|
if (is_array($item)) {
|
|
foreach ($item as $key => $value) {
|
|
if (is_bool($value) || is_numeric($item)) {
|
|
$item[$key] = ($value) ? 1 : 0;
|
|
}
|
|
}
|
|
} else {
|
|
if (is_bool($item) || is_numeric($item)) {
|
|
$item = ($item) ? 1 : 0;
|
|
}
|
|
}
|
|
return $item;
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getCreateTemporaryTableSnippetSQL()
|
|
{
|
|
return "CREATE TABLE";
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getTemporaryTableName($tableName)
|
|
{
|
|
return '#' . $tableName;
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getDateTimeFormatString()
|
|
{
|
|
return 'Y-m-d H:i:s.000';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getDateFormatString()
|
|
{
|
|
return 'Y-m-d H:i:s.000';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getTimeFormatString()
|
|
{
|
|
return 'Y-m-d H:i:s.000';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getDateTimeTzFormatString()
|
|
{
|
|
return $this->getDateTimeFormatString();
|
|
}
|
|
|
|
/**
|
|
* Get the platform name for this instance
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getName()
|
|
{
|
|
return 'mssql';
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
protected function initializeDoctrineTypeMappings()
|
|
{
|
|
$this->doctrineTypeMapping = array(
|
|
'bigint' => 'bigint',
|
|
'numeric' => 'decimal',
|
|
'bit' => 'boolean',
|
|
'smallint' => 'smallint',
|
|
'decimal' => 'decimal',
|
|
'smallmoney' => 'integer',
|
|
'int' => 'integer',
|
|
'tinyint' => 'smallint',
|
|
'money' => 'integer',
|
|
'float' => 'float',
|
|
'real' => 'float',
|
|
'double' => 'float',
|
|
'double precision' => 'float',
|
|
'datetimeoffset' => 'datetimetz',
|
|
'smalldatetime' => 'datetime',
|
|
'datetime' => 'datetime',
|
|
'char' => 'string',
|
|
'varchar' => 'string',
|
|
'text' => 'text',
|
|
'nchar' => 'string',
|
|
'nvarchar' => 'string',
|
|
'ntext' => 'text',
|
|
'binary' => 'text',
|
|
'varbinary' => 'blob',
|
|
'image' => 'text',
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Generate SQL to create a new savepoint
|
|
*
|
|
* @param string $savepoint
|
|
* @return string
|
|
*/
|
|
public function createSavePoint($savepoint)
|
|
{
|
|
return 'SAVE TRANSACTION ' . $savepoint;
|
|
}
|
|
|
|
/**
|
|
* Generate SQL to release a savepoint
|
|
*
|
|
* @param string $savepoint
|
|
* @return string
|
|
*/
|
|
public function releaseSavePoint($savepoint)
|
|
{
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Generate SQL to rollback a savepoint
|
|
*
|
|
* @param string $savepoint
|
|
* @return string
|
|
*/
|
|
public function rollbackSavePoint($savepoint)
|
|
{
|
|
return 'ROLLBACK TRANSACTION ' . $savepoint;
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function appendLockHint($fromClause, $lockMode)
|
|
{
|
|
// @todo coorect
|
|
if ($lockMode == \Doctrine\DBAL\LockMode::PESSIMISTIC_READ) {
|
|
return $fromClause . ' WITH (tablockx)';
|
|
} else if ($lockMode == \Doctrine\DBAL\LockMode::PESSIMISTIC_WRITE) {
|
|
return $fromClause . ' WITH (tablockx)';
|
|
} else {
|
|
return $fromClause;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
public function getForUpdateSQL()
|
|
{
|
|
return ' ';
|
|
}
|
|
|
|
protected function getReservedKeywordsClass()
|
|
{
|
|
return 'Doctrine\DBAL\Platforms\Keywords\MsSQLKeywords';
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public function quoteSingleIdentifier($str)
|
|
{
|
|
return "[" . str_replace("]", "][", $str) . "]";
|
|
}
|
|
|
|
public function getTruncateTableSQL($tableName, $cascade = false)
|
|
{
|
|
return 'TRUNCATE TABLE '.$tableName;
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL Snippet used to declare a BLOB column type.
|
|
*/
|
|
public function getBlobTypeDeclarationSQL(array $field)
|
|
{
|
|
return 'VARBINARY(MAX)';
|
|
}
|
|
}
|