Re: Cache lookup errors with functions manipulation object addresses

From: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
To: michael(at)paquier(dot)xyz
Cc: 9erthalion6(at)gmail(dot)com, alvherre(at)2ndquadrant(dot)com, andrew(dot)dunstan(at)2ndquadrant(dot)com, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Cache lookup errors with functions manipulation object addresses
Date: 2019-09-24 06:25:08
Message-ID: 20190924.152508.02384638.horikyota.ntt@gmail.com
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At Tue, 24 Sep 2019 08:58:50 +0900, Michael Paquier <michael(at)paquier(dot)xyz> wrote in <20190923235850(dot)GA2012(at)paquier(dot)xyz>
> On Mon, Sep 23, 2019 at 09:15:24PM +0200, Dmitry Dolgov wrote:
> Please feel free to use the updated versions attached. These can
> apply on top of HEAD at 30d1379.

In 0003, empty string and NULL are not digtinguishable in psql
text output. It'd be better that the regression test checks that
the return is actually NULL using "is NULL" or "\pset null
'<null>'" or something like.

regards.

--
Kyotaro Horiguchi
NTT Open Source Software Center

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