Re: pg_get__*_ddl consolidation

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Japin Li <japinli(at)hotmail(dot)com>, Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com>, Euler Taveira <euler(at)eulerto(dot)com>, Álvaro Herrera <alvherre(at)kurilemu(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: pg_get__*_ddl consolidation
Date: 2026-04-26 14:07:55
Message-ID: a947587c-8538-4527-9146-ab78450c49b0@dunslane.net
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On 2026-04-06 Mo 7:39 AM, Andrew Dunstan wrote:
>
> On 2026-04-05 Su 4:03 PM, Andres Freund wrote:
>
>
>>> But do we really have to create a new database and a new tablespace
>>> for these?
>>> Database and tablespace creations are quite heavyweight operations.
>>>
>>> We already have an existing tablespace and an existing database as
>>> part of the
>>> regression tests. Couldn't you make do with those?
>> Didn't do anything about that.
>>
>
> Well, the trouble is that the database test runs a bunch of alter and
> revoke statements on the created database, that we probably don't want
> to persist on the existing regression database. I could see an
> argument for converting this to a TAP test that would only be run
> once, given our current very profligate running of the core regression
> suite. That goes doubly for the tablespace test, which could also
> probably use ALTER TABLESPACE instead of creating a bunch of
> tablespaces and then dropping them.
>
>
>

Here's a patch that converts all these into a single TAP test, and
reduces the number of tablespace creations.

cheers

andrew

--
Andrew Dunstan
EDB: https://www.enterprisedb.com

Attachment Content-Type Size
0001-Convert-ddlutils-regression-tests-to-TAP-tests.patch text/x-patch 39.1 KB

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