| From: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> |
|---|---|
| To: | Guillaume Lelarge <guillaume(at)lelarge(dot)info> |
| Cc: | PostgreSQL General <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Weird behaviour of ROLLUP/GROUPING |
| Date: | 2019-01-16 15:55:21 |
| Message-ID: | 874la8lhvp.fsf@news-spur.riddles.org.uk |
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| Thread: | |
| Lists: | pgsql-general |
>>>>> "Guillaume" == Guillaume Lelarge <guillaume(at)lelarge(dot)info> writes:
Guillaume> CASE grouping(to_char(b, 'MMYYYY'))
Guillaume> ERROR: arguments to GROUPING must be grouping expressions of the
Guillaume> associated query level
Guillaume> LINE 3: CASE grouping(to_char(b, 'MMYYYY')) WHEN 1 THEN 'some date' ...
Guillaume> AFAICT, both queries should behave the same, though their
Guillaume> actual behaviours are quite opposite. Working fine for the
Guillaume> first, erroring out on the second.
Guillaume> Does anyone has any idea what's going on here?
Not yet. But I will find out, since it seems to be a bug.
--
Andrew (irc:RhodiumToad)
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