Re: [HACKERS] NULL as an argument in plpgsql functions

> Hi,
>
> this select produces error message:
> test=> select test2(NULL);
> ERROR: typeidTypeRelid: Invalid type - oid = 0
>

Not sure how to pass NULL's into functions.

> test2:
> CREATE FUNCTION test2 (int4) RETURNS int4 AS '
> Declare
> keyval Alias For $1;
> cnt int4;
> Begin
> Update hits set count = count +1 where msg_id = keyval;
> return cnt;
> End;
> ' LANGUAGE 'plpgsql';
>
> When I do manually update
> Update hits set count = count +1 where msg_id = NULL;
> it works fine. What's the problem ?
>
> Regards,
>
> Oleg
>
>
> test=> \d hits
> Table = hits
> +----------------------------------+----------------------------------+-------+
> | Field | Type | Length|
> +----------------------------------+----------------------------------+-------+
> | msg_id | int4 | 4 |
> | count | int4 | 4 |
> +----------------------------------+----------------------------------+-------+
> test=> select version();
> version
> ------------------------------------------------------------------
> PostgreSQL 6.5.2 on i586-pc-linux-gnulibc1, compiled by gcc 2.95.1
> (1 row)
>
> _____________________________________________________________
> Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
> Sternberg Astronomical Institute, Moscow University (Russia)
> Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
> phone: +007(095)939-16-83, +007(095)939-23-83
>
>
> ************
>

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026