Horton

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

Alexander Kuzmenkov <a.kuzmenkov@postgrespro.ru>

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From: Alexander Kuzmenkov <a.kuzmenkov@postgrespro.ru>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@lists.postgresql.org, Mark Dilger <hornschnorter@gmail.com>
Date: 2018-11-30T12:07:59Z
Lists: pgsql-hackers 
On 11/29/18 22:13, Tom Lane wrote:
> Ooops, I had not seen this before sending v4 patch.  Doesn't seem worth
> posting a v5 for, but I'll be sure to fix it.


Thanks for updating, v4 looks good to me.

-- 
Alexander Kuzmenkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

Commits

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

  2. Fix jit compilation bug on wide tables.