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

From Tom Lane
Subject Re: [BUGS] Improper const-evaluation of HAVING with grouping sets and subquery pullup
Date
Msg-id 32319.1508163874@sss.pgh.pa.us
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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  (Andrew Gierth <andrew@tao11.riddles.org.uk>)
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Andrew Gierth <andrew@tao11.riddles.org.uk> writes:
> 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?

Uh ... but I thought the point here is that the outputs aren't really
constant in the presence of grouping sets.
        regards, tom lane


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