Horton

Re: "SELECT ... FROM DUAL" is not quite as silly as it appears

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alexander Kuzmenkov <a.kuzmenkov@postgrespro.ru>
Cc: pgsql-hackers@lists.postgresql.org, Mark Dilger <hornschnorter@gmail.com>
Date: 2018-11-29T19:11:53Z
Lists: pgsql-hackers 
Alexander Kuzmenkov <a.kuzmenkov@postgrespro.ru> writes:
> I was also looking at this patch, here are some things I noticed:

Thanks for reviewing!  I incorporated your suggestions in the v4
patch I just sent.

			regards, tom lane

Commits

  1. In the planner, replace an empty FROM clause with a dummy RTE.

  2. Fix jit compilation bug on wide tables.