On Mon, 2003-05-12 at 11:53, Ramesh PAtel wrote:
> My self is Mahendra D Rathod.
>
> I have some problem in executing trigger at backend side
>
> One trigger is fired AFTER INSERT OR UPDATE ON mtrl_issue_detail
>
> So when any row of "mtrl_issue_detail" is inserted or updated this
> trigger is fired on one function.
>
> This function updates the same row that has just been inserted or
> updated.
>
> Now when this process happens the database gets HANGED. and i have to
> restart the database on server.
This is hardly surprising, because you have explicitly set up an
infinite loop.
If you wish to change the record being updated or inserted, you should
use a BEFORE trigger, change NEW (the record to be inserted or the
after-update record) and return NEW.
Check the documentation:
Programmer's Manual
Procedural Languages
PL/pgSQL
Trigger procedures
--
Oliver Elphick Oliver.Elphick@lfix.co.uk
Isle of Wight, UK http://www.lfix.co.uk/oliver
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