| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | jian he <jian(dot)universality(at)gmail(dot)com> |
| Cc: | pgsql-general list <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: EXPLAIN statement can also apply to SELECT INTO. |
| Date: | 2023-08-22 05:06:44 |
| Message-ID: | CAKFQuwaUufXMGiT8EikcLVsveWyM=aQjumVNg9D65zDMMMey_w@mail.gmail.com |
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| Lists: | pgsql-general |
On Monday, August 21, 2023, jian he <jian(dot)universality(at)gmail(dot)com> wrote:
> hi.
>
> https://www.postgresql.org/docs/current/sql-explain.html
> >>>
> Any SELECT, INSERT, UPDATE, DELETE, MERGE, VALUES, EXECUTE, DECLARE,
> CREATE TABLE AS, or CREATE MATERIALIZED VIEW AS statement, whose
> execution plan you wish to see.
> >>>
>
> seems you can use it with SELECT INTO.
>
> explain (ANALYZE, BUFFERS, TIMING, VERBOSE ON, BUFFERS ON, WAL ON,SETTINGS
> ON)
> select count(*) as cnt INTO s from tenk1;
>
>
We try not to encourage such things. And CTAS is listed.
David J.
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