From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Joe Conway <mail(at)joeconway(dot)com> |
Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Pete Storer <Pete(dot)Storer(at)sas(dot)com>, "pgsql-bugs(at)lists(dot)postgresql(dot)org" <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
Subject: | Re: FW: Query execution failure |
Date: | 2023-01-30 16:29:33 |
Message-ID: | 490923.1675096173@sss.pgh.pa.us |
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Lists: | pgsql-bugs |
Joe Conway <mail(at)joeconway(dot)com> writes:
> Also I have been told (not verified by me) that MySQL at least supports
> using its own built-in collation. If so, how can we ever know that
> whatever Postgres is using will match that?
Ugh. mysql_fdw probably ought to default to no-sort-pushdown.
> I wonder if we should have an attribute of a foreign server that
> indicates whether sort pushdown is enabled or not.
This is something that would have to be implemented individually
by each FDW for which it's relevant. We could set a good precedent,
and perhaps standardize the option name, by doing that in postgres_fdw.
regards, tom lane
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