Re: [HACKERS] Counting bool flags in a complex query

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Michael Richards <miker(at)scifair(dot)acadiau(dot)ca>
Cc: sql(at)postgreSQL(dot)org, hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] Counting bool flags in a complex query
Date: 1999-07-14 22:05:03
Message-ID: 28285.931989903@sss.pgh.pa.us
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Michael Richards <miker(at)scifair(dot)acadiau(dot)ca> writes:
> ERROR: _finalize_primnode: can't handle node 723

Grumble. Still another routine that doesn't know as much as it should
about traversing parsetrees. Looks like a job for <flourish of trumpets>
expression_tree_walker.

> It seems to be the union that is confuzing it...

CASE expression inside a UNION/INTERSECT/EXCEPT, to be specific.

Will fix this in time for 6.5.1.

regards, tom lane

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