From: | Andres Freund <andres(at)anarazel(dot)de> |
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To: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
Subject: | Re: Displaying and dumping of table access methods |
Date: | 2019-01-08 17:34:46 |
Message-ID: | 20190108173446.2o55czddnpaa67mz@alap3.anarazel.de |
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Lists: | pgsql-hackers |
Hi,
On 2019-01-08 11:30:56 +0100, Peter Eisentraut wrote:
> On 08/01/2019 00:56, Andres Freund wrote:
> > A patch at [2] adds display of a table's access method to \d+ - but that
> > means that running the tests with a different default table access
> > method (e.g. using PGOPTIONS='-c default_table_access_method=...)
> > there'll be a significant number of test failures, even though the test
> > results did not meaningfully differ.
>
> For psql, a variable that hides the access method if it's the default.
Yea, I think that seems the least contentious solution. Don't like it
too much, but it seems better than the alternative. I wonder if we want
one for multiple regression related issues, or whether one specifically
about table AMs is more appropriate. I lean towards the latter.
> > Similarly, if pg_dump starts to dump table access methods either
> > unconditionally, or for all non-heap AMS, the pg_dump tests fail due to
> > unimportant differences.
>
> For pg_dump, track and set the default_table_access_method setting
> throughout the dump (similar to how default_with_oids was handled, I
> believe).
Yea, that's similar to that, and I think that makes sense.
Greetings,
Andres Freund
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