| From: | Adam Brusselback <adambrusselback(at)gmail(dot)com> |
|---|---|
| To: | Wenjing Zeng <wjzeng2012(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, wenjing <wenjing(at)gmail(dot)com>, Andrew Bille <andrewbille(at)gmail(dot)com>, Tony Zhu <Tony(dot)zhu(at)ww-it(dot)cn>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: [Proposal] Global temporary tables |
| Date: | 2022-03-02 18:02:17 |
| Message-ID: | CAMjNa7eVkffUz7OWgC_i9y0o18xSER750Y8oFqR=mdOYWV9ZUQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
>In my observation, very few users require an accurate query plan for
temporary tables to
perform manual analyze.
Absolutely not true in my observations or personal experience. It's one of
the main reasons I have needed to use (local) temporary tables rather than
just materializing a CTE when decomposing queries that are too complex for
Postgres to handle.
I wish I could use GTT to avoid the catalog bloat in those instances, but
that will only be possible if the query plans are accurate.
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