From: | Mats Kindahl <mats(at)timescale(dot)com> |
---|---|
To: | Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com> |
Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, Aleksander Alekseev <aleksander(at)timescale(dot)com>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>, Fabrízio de Royes Mello <fabriziomello(at)gmail(dot)com> |
Subject: | Re: Add test module for Table Access Method |
Date: | 2024-01-16 12:16:27 |
Message-ID: | CA+144260ce_BNuGGhVGHv+ooJsOsTYbTVtw=49c34TkMa6GG7g@mail.gmail.com |
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Lists: | pgsql-hackers |
On Tue, Jan 16, 2024 at 6:15 AM Bharath Rupireddy <
bharath(dot)rupireddyforpostgres(at)gmail(dot)com> wrote:
> On Tue, Jan 16, 2024 at 10:28 AM Michael Paquier <michael(at)paquier(dot)xyz>
> wrote:
> >
> > Hmm. I'd rather have it do something useful in terms of test coverage
> > rather than being just an empty skull.
> >
> > How about adding the same kind of coverage as dummy_index_am with a
> > couple of reloptions then? That can serve as a point of reference
> > when a table AM needs a few custom options. A second idea would be to
> > show how to use toast relations when implementing your new AM, where a
> > toast table could be created even in cases where we did not want one
> > with heap, when it comes to size limitations with char and/or varchar,
> > and that makes for a simpler needs_toast_table callback.
>
> I think a test module for a table AM will really help developers. Just
> to add to the above list - how about the table AM implementing a
> simple in-memory (columnar if possible) database storing tables
> in-memory and subsequently providing readers with the access to the
> tables?
>
Hi,
One idea I wanted to implement is a table access method that you can use to
test the interface, something like a "mock TAM" where you can
programmatically decide on the responses to unit-test the API. I was
thinking that you could implement a framework that allows you to implement
the TAM in some scripting language like Perl, Python, or (horrors) Tcl for
easy prototyping.
Best wishes,
Mats Kindahl
> --
> Bharath Rupireddy
> PostgreSQL Contributors Team
> RDS Open Source Databases
> Amazon Web Services: https://aws.amazon.com
>
>
>
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