Re: wrong output in dump of rules with old values of row type columns

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Timur Khanjanov <intel(at)intrans(dot)baku(dot)az>
Cc: pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: wrong output in dump of rules with old values of row type columns
Date: 2022-01-12 15:08:45
Message-ID: 2996293.1642000125@sss.pgh.pa.us
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Timur Khanjanov <intel(at)intrans(dot)baku(dot)az> writes:
> create table test(a int);
> create table test_log(old test);
> create rule del as on delete to test do insert into test_log values(old);

As a workaround you could write it as

create rule del as on delete to test do insert into test_log select old;

which will reverse-list as

ON DELETE TO test DO INSERT INTO test_log (old) SELECT old.*::test AS old

Looks like we need to apply the same hack in VALUES lists.

regards, tom lane

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