=?ISO-8859-1?Q?Christian_Schr=F6der?= <c...@deriva.de> writes:
> This is the query:
> select isin from ts_frontend.attachment_isins full OUTER JOIN
> ts_frontend.rec_isins using (attachment,isin) WHERE attachment=2698120
> GROUP BY isin limit 1000;
Hmm. It seems 8.3 is failing to push the attachment=2698120 condition
down to the input relations. Not sure why. All that code got massively
rewritten in 8.3, but I thought it still understood about pushing
equalities through a full join ...
regards, tom lane
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