[SQL] Null set

2001-07-02 Thread Wei Weng
This is a function I am working on: CREATE FUNCTION authenticate(int4) RETURN boolean AS 'SELECT * INTO tmp FROM user WHERE user_id = id; if SET_IS_NULL(tmp) return false; else return true;' LANGUAGE 'sql'; My question is: Is there a way to implement the SET_IS_NULL function in pl/pgsql

[SQL] How do I print a message in a function?

2001-07-02 Thread Wei Weng
I did something like create function test() returns integer as ' declare msg varchar; begin msg := "test"; RAISE NOTICE "message is " || msg; end' language 'plpgsql'; The function compiled without any error, however, when I tried to run it as select test(); it broke down with an erro