From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: possibility to specify template database for pg_regress |
Date: | 2017-02-08 00:23:45 |
Message-ID: | 32401.1486513425@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Michael Paquier <michael(dot)paquier(at)gmail(dot)com> writes:
> On Wed, Feb 8, 2017 at 12:43 AM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> wrote:
>> Is possible to specify template database for pg_regress?
>> I have to run tests on database with thousands database objects. Using
>> template is much faster than import these objects.
> Not directly, all the databases created by pg_regress are enforced
> with template0.. Having a switch sounds useful though without seeing
> in details your use case.
I ran into a use-case just today: I wanted to run one particular
regression test script under CLOBBER_CACHE_ALWAYS, but it needed
stuff created by earlier scripts, and I didn't especially want to
run all of those scripts under CCA. With a way to select a template,
I could've run the earlier scripts in a normal build, renamed the
ending-state regression database to something else, and then installed
a CCA-enabled executable and run a test with just the script of
interest. The way I actually got it done was considerably hackier :-(
regards, tom lane
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