tkarlik@ultimo.pl wrote:
> Without casting function executes much slower:
>
> CREATE OR REPLACE FUNCTION table_exists(tblname text) RETURNS boolean AS '
> DECLARE
> exists boolean;
> BEGIN
> SELECT 1 INTO exists FROM pg_class WHERE relname = name($1);
> RETURN exists;
> END;
> ' LANGUAGE 'plpgsql' IMMUTABLE;
If you're looking for a speedy answer, try a SQL function, not plpgsql.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
