Horton

Re: Proving IS NOT NULL inference for ScalarArrayOpExpr's

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

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: James Coleman <jtc331@gmail.com>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>, David Rowley <david.rowley@2ndquadrant.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2019-02-20T19:41:06Z
Lists: pgsql-hackers 
BTW, I just pushed a fix (e04a3905e) that adds a little more code
to clause_is_strict_for().  This shouldn't cause more than minor
rebasing pain for you, I hope.

			regards, tom lane

Commits

  1. Teach optimizer's predtest.c more things about ScalarArrayOpExpr.