Re: [HACKERS] path toward faster partition pruning

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Marina Polyakova <m(dot)polyakova(at)postgrespro(dot)ru>
Cc: Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Amit Langote <amitlangote09(at)gmail(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [HACKERS] path toward faster partition pruning
Date: 2018-05-07 01:37:10
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On Fri, May 04, 2018 at 12:32:23PM +0300, Marina Polyakova wrote:
> I got a similar server crash as in [1] on the master branch since the commit
> 9fdb675fc5d2de825414e05939727de8b120ae81 when the assertion fails because
> the second argument ScalarArrayOpExpr is not a Const or an ArrayExpr, but is
> an ArrayCoerceExpr (see [2]):

Indeed, I can see the crash. I have been playing with this stuff and I
am in the middle of writing the patch, but let's track this properly for

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