Re: type cache cleanup improvements - Mailing list pgsql-hackers

From Noah Misch
Subject Re: type cache cleanup improvements
Date
Msg-id 20250411203241.e9.nmisch@google.com
Whole thread Raw
In response to Re: type cache cleanup improvements  (Alexander Korotkov <aekorotkov@gmail.com>)
Responses Re: type cache cleanup improvements
List pgsql-hackers
On Tue, Oct 22, 2024 at 08:33:24PM +0300, Alexander Korotkov wrote:
> On Tue, Oct 22, 2024 at 6:10 PM Pavel Borisov <pashkin.elfe@gmail.com> wrote:
> > On Tue, 22 Oct 2024 at 11:34, Alexander Korotkov <aekorotkov@gmail.com> wrote:
> >> I'm going to push this if no objections.

(This became commit b85a9d0.)

> +    /* Call delete_rel_type_cache() if we actually cleared something */
> +    if (hadTupDescOrOpclass)
> +        delete_rel_type_cache_if_needed(typentry);

I think the intent was to maintain the invariant that a RelIdToTypeIdCacheHash
entry exists if and only if certain kinds of data appear in the TypeCacheHash
entry.  However, TypeCacheOpcCallback() clears TCFLAGS_OPERATOR_FLAGS without
maintaining RelIdToTypeIdCacheHash.  Is it right to do that?



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