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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\DBAL\Platforms;
use Doctrine\DBAL\Schema\Sequence;
/**
* Platform to ensure compatibility of Doctrine with Microsoft SQL Server 2012 version.
*
* Differences to SQL Server 2008 and before are that sequences are introduced.
*
* @author Steve Müller <st.mueller@dzh-online.de>
*/
class SQLServer2012Platform extends SQLServer2008Platform
{
/**
* {@inheritdoc}
*/
public function getAlterSequenceSQL(Sequence $sequence)
{
return 'ALTER SEQUENCE ' . $sequence->getQuotedName($this) .
' INCREMENT BY ' . $sequence->getAllocationSize();
}
/**
* {@inheritdoc}
*/
public function getCreateSequenceSQL(Sequence $sequence)
{
return 'CREATE SEQUENCE ' . $sequence->getQuotedName($this) .
' START WITH ' . $sequence->getInitialValue() .
' INCREMENT BY ' . $sequence->getAllocationSize() .
' MINVALUE ' . $sequence->getInitialValue();
}
/**
* {@inheritdoc}
*/
public function getDropSequenceSQL($sequence)
{
if ($sequence instanceof Sequence) {
$sequence = $sequence->getQuotedName($this);
}
return 'DROP SEQUENCE ' . $sequence;
}
/**
* {@inheritdoc}
*/
public function getListSequencesSQL($database)
{
return 'SELECT seq.name,
CAST(
seq.increment AS VARCHAR(MAX)
) AS increment, -- CAST avoids driver error for sql_variant type
CAST(
seq.start_value AS VARCHAR(MAX)
) AS start_value -- CAST avoids driver error for sql_variant type
FROM sys.sequences AS seq';
}
/**
* {@inheritdoc}
*/
public function getSequenceNextValSQL($sequenceName)
{
return 'SELECT NEXT VALUE FOR ' . $sequenceName;
}
/**
* {@inheritdoc}
*/
public function supportsSequences()
{
return true;
}
/**
* {@inheritdoc}
*
* Returns Microsoft SQL Server 2012 specific keywords class
*/
protected function getReservedKeywordsClass()
{
return 'Doctrine\DBAL\Platforms\Keywords\SQLServer2012Keywords';
}
}
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