PgsqlConnection::isTableExists

public function isTableExists($tableName)
{
	$result = $this->query("
		SELECT EXISTS (
			SELECT FROM 
				pg_tables
			WHERE 
				schemaname = 'public' AND 
				tablename  = '".$this->getSqlHelper()->forSql($tableName)."'
			) as "X"
	");
	$row = $result->fetch();
	return $row && $row['X'] === 't';
}