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Re: speedup COPY TO for partitioned table.

Kirill Reshke <reshkekirill@gmail.com>

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From: Kirill Reshke <reshkekirill@gmail.com>
To: jian he <jian.universality@gmail.com>
Cc: vignesh C <vignesh21@gmail.com>, David Rowley <dgrowleyml@gmail.com>, Melih Mutlu <m.melihmutlu@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-04-04T12:17:59Z
Lists: pgsql-hackers 
Hi!

First of all, a commit message does not need to contain SQL examples
of what it does. We should provide human-readable explanations and
that's it.

Next, about changes to src/test/regress/sql/copy2.sql. I find the sql
you used to test really unintuitive. How about CREATE TABLE ...
PARTITION OF syntax? It is also one command instead of two (create +
alter). It is also hard to say what partition structure is, because
column names on different partition levels are the same, just order is
switched. Let's change it to something more intuitive too?



-- 
Best regards,
Kirill Reshke

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Support COPY TO for partitioned tables.

  2. Re-implement the ereport() macro using __VA_ARGS__.