| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Michael Lewis <mlewis(at)entrata(dot)com> |
| Cc: | Nikhil Benesch <nikhil(dot)benesch(at)gmail(dot)com>, "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: DELETE ... USING LATERAL |
| Date: | 2021-10-04 19:27:31 |
| Message-ID: | 4004827.1633375651@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Michael Lewis <mlewis(at)entrata(dot)com> writes:
> On Mon, Oct 4, 2021, 10:30 AM Nikhil Benesch <nikhil(dot)benesch(at)gmail(dot)com>
> wrote:
>> # delete from int_arrays using int_arrays;
>> ERROR: table name "int_arrays" specified more than once
>> Don't you need to use an alias for the table in the using clause?
You could, but then you'd be creating a self-join on the target table
(and would need to add suitable WHERE clauses to constrain that join).
This might be the best near-term workaround, but it does seem ugly
and inefficient.
regards, tom lane
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