Tom, thanks for fixing this. I couldn't verify the bug because the test
case was so complex.
> CVSROOT: /home/projects/pgsql/cvsroot
> Module name: pgsql
> Changes by: tgl@hub.org 01/08/14 13:12:57
>
> Modified files:
> src/backend/optimizer/prep: prepunion.c
>
> Log message:
> Fix brokenness of nested EXCEPT/INTERSECT queries. prepunion was being
> a tad sloppy about generating the targetlist for some nodes, by generating
> a tlist entry that claimed to be a constant when the value wasn't actually
> constant. This caused setrefs.c to do the wrong thing later on.
>
>
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--
Bruce Momjian | http://candle.pha.pa.us
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