Re: Array initialisation notation in syscache.c - Mailing list pgsql-hackers

From Nikita Malakhov
Subject Re: Array initialisation notation in syscache.c
Date
Msg-id CAN-LCVPgv9n2WGVhmo4zfkvwfWrFoC0arA04qPzZtG6MTjTaVg@mail.gmail.com
Whole thread Raw
In response to Re: Array initialisation notation in syscache.c  (Peter Eisentraut <peter.eisentraut@enterprisedb.com>)
Responses Re: Array initialisation notation in syscache.c  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Hi!

Wanted to ask this since I encountered a need for a cache with 5 keys -
why is the syscache index still limited to 4 keys?

Thanks!

On Wed, Dec 21, 2022 at 7:36 PM Peter Eisentraut <peter.eisentraut@enterprisedb.com> wrote:
On 21.12.22 04:16, Thomas Munro wrote:
> On Wed, Dec 21, 2022 at 1:33 PM Thomas Munro <thomas.munro@gmail.com> wrote:
>>          KEY(Anum_pg_attribute_attrelid,
>>              Anum_pg_attribute_attnum),
>
> I independently rediscovered that our VA_ARGS_NARGS() macro in c.h
> always returns 1 on MSVC via trial-by-CI.  Derp.  Here is the same
> patch, no change from v2, but this time accompanied by Victor Spirin's
> fix, which I found via one of the tab-completion-is-busted-on-Windows
> discussions.  I can't supply a useful commit message, because I
> haven't understood why it works, but it does indeed seem to work and
> this should make cfbot green.

This looks like a good improvement to me.

(I have also thought about having this generated from the catalog
definition files somehow, but one step at a time ...)





--
Regards,
Nikita Malakhov
Postgres Professional 

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