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Re: [BUGS] Improper const-evaluation of HAVING with grouping sets and subquery pullup - Mailing list pgsql-bugs

From Andrew Gierth
Subject Re: [BUGS] Improper const-evaluation of HAVING with grouping sets and subquery pullup
Date
Msg-id 87a80rli2w.fsf@news-spur.riddles.org.uk
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In response to Re: [BUGS] Improper const-evaluation of HAVING with grouping sets and subquery pullup  (Andrew Gierth <andrew@tao11.riddles.org.uk>)
Responses Re: [BUGS] Improper const-evaluation of HAVING with grouping sets and subquery pullup  (Tom Lane <tgl@sss.pgh.pa.us>)
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>>>>> "Andrew" == Andrew Gierth <andrew@tao11.riddles.org.uk> writes:
Andrew> I've been testing Heikki's patch with the havingQual conditionAndrew> removed, and I haven't found any issues
yet.

Further experimentation reveals that this change has the effect of
blocking constant-folding in aggregate input expressions that refer to
constant outputs of the subquery.

Is it worth doing anything about that?

-- 
Andrew (irc:RhodiumToad)


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