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

From Tom Lane
Subject Re: type cache cleanup improvements
Date
Msg-id 794839.1709912139@sss.pgh.pa.us
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In response to Re: type cache cleanup improvements  (Aleksander Alekseev <aleksander@timescale.com>)
Responses Re: type cache cleanup improvements
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Aleksander Alekseev <aleksander@timescale.com> writes:
> One thing that I couldn't immediately figure out is why 0 hash value
> is treated as a magic invalid value in TypeCacheTypCallback():

I've not read this patch, but IIRC in some places we have a convention
that hash value zero is passed for an sinval reset event (that is,
"flush all cache entries").

            regards, tom lane

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