Horton

Re: Allowing NOT IN to use ANTI joins

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

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Simon Riggs <simon@2ndQuadrant.com>
Cc: Greg Stark <stark@mit.edu>, Marti Raudsepp <marti@juffo.org>, David Rowley <dgrowleyml@gmail.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2014-06-24T22:44:36Z
Lists: pgsql-hackers 
Simon Riggs <simon@2ndQuadrant.com> writes:
> Having said that, any join plan that relies upon a constraint will
> still be valid even if we drop a constraint while the plan executes
> because any new writes will not be visible to the executing join plan.

mumble ... EvalPlanQual ?

			regards, tom lane