Re: ERROR: invalid input syntax for integer: ""

"Pit M." <fmi-soft@gmx.de> writes:
> Following query fails in pgAdmin which is OK because the field PLZZ
> contains characters:

> select * from "PERSONEN" where (CAST("PERSONEN"."PLZZ" AS INTEGER) >=
> 70000 );

> but if using the same query with a cursor ist works:

> START TRANSACTION;

> DECLARE c21112234 SCROLL CURSOR FOR select * from "PERSONEN" where
> (CAST("PERSONEN"."PLZZ" AS INTEGER) >= 70000;

> COMMIT;

> In my opinion this query should also fail with cursors.

It would have failed if you had run the cursor far enough to fetch one
of the bad rows.

            regards, tom lane