On 6/14/2011 5:05 PM, Tom Lane wrote:
> Erwin Moller<erwinmoller@xs4all.nl> writes:
>> Then:
>> delete from tblissue where issueid=1;
>> DELETE 1
>> Postgresql now deletes all rows that had a 1 for parentissueid. (5 in my
>> testcase).
>> That was correct, and as I intended, but why does Postgres answer
>> "DELETE 1" instead of DELETE 6?
> It's reporting the number of rows deleted from tblissue.
Hi,
But I deleted 6 from tblissue in my example.
(1 directly, the other 5 by cascade)
Hence my confusion.
> Cascade
> effects are not relevant.
>
Ok, clear.
So the number of deleted rows (DELETE x) are only the ones that directly
matched the ones in the where-clause.
I suspected that much, but it is better to check. :-)
Thanks for your time, Tom
Regards,
Erwin Moller
> regards, tom lane