public function shouldExtractSequenceNameFromPrimaryKeyDefault()
{
//given
$dialect = new PostgresDialect('test');
$columns = array('primary' => new DatabaseColumn('primary', 'int', "nextval('test_id_seq'::regclass)"));
//when
$sequence = $dialect->getSequenceName($columns, 'primary');
//then
$this->assertEquals('test_id_seq', $sequence);
}