Re: [HACKERS] fix empty array expression in get_qual_for_list()

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От Jeevan Ladhe
Тема Re: [HACKERS] fix empty array expression in get_qual_for_list()
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Msg-id CAOgcT0NPQeOP38sBaztjVfZTV_cbAJYdAXgH=WkssKQXWoEM+Q@mail.gmail.com
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Ответ на Re: [HACKERS] fix empty array expression in get_qual_for_list()  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Mon, Jun 26, 2017 at 8:14 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
Jeevan Ladhe <jeevan.ladhe@enterprisedb.com> writes:
> In case of list partitioned table:
> 1. If there is a partition accepting only null values and nothing else, then
> currently the partition constraints for such a partition are constructed as
> "((a IS NULL) OR (a = ANY (ARRAY[]::integer[])))".
> I think there it is better to avoid constructing an empty array to avoid
> executing ANY expression.

Looks like a good idea, pushed with trivial stylistic adjustments.
 
Thanks Tom for taking care of this.


Regards,
Jeevan Ladhe

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