Re: pgsql: Make Vars be outer-join-aware.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Robins Tharakan <tharakan(at)gmail(dot)com>
Cc: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: Re: pgsql: Make Vars be outer-join-aware.
Date: 2023-01-31 14:50:28
Message-ID: 1075343.1675176628@sss.pgh.pa.us
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Robins Tharakan <tharakan(at)gmail(dot)com> writes:
> Since this commit, my test setup is triggering asserts every few minutes.
> The repro SQL itself doesn't make much sense, but it's the smallest I could
> narrow it down to:

> create table t1(a int);
> create table t2(a int);
> SELECT table_catalog AS c2
> FROM public.t1
> INNER JOIN (t2
> LEFT JOIN information_schema.column_udt_usage ON NULL)
> ON NULL;

Thanks, I'll take a look.

regards, tom lane

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