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<?php
namespace Doctrine\DBAL\Platforms;
use function explode;
/**
* Provides the behavior, features and SQL dialect of the PostgreSQL 9.1 database platform.
*
* @deprecated Use PostgreSQL 9.4 or newer
*/
class PostgreSQL91Platform extends PostgreSqlPlatform
{
/**
* {@inheritDoc}
*/
public function supportsColumnCollation()
{
return true;
}
/**
* {@inheritdoc}
*/
protected function getReservedKeywordsClass()
{
return Keywords\PostgreSQL91Keywords::class;
}
/**
* {@inheritDoc}
*/
public function getColumnCollationDeclarationSQL($collation)
{
return 'COLLATE ' . $this->quoteSingleIdentifier($collation);
}
/**
* {@inheritDoc}
*/
public function getListTableColumnsSQL($table, $database = null)
{
$sql = parent::getListTableColumnsSQL($table, $database);
$parts = explode('AS complete_type,', $sql, 2);
return $parts[0] . 'AS complete_type, '
. '(SELECT tc.collcollate FROM pg_catalog.pg_collation tc WHERE tc.oid = a.attcollation) AS collation,'
. $parts[1];
}
}
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