Re: Reducing the chunk header sizes on all memory context types

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От Tom Lane
Тема Re: Reducing the chunk header sizes on all memory context types
Дата
Msg-id 2869610.1665077908@sss.pgh.pa.us
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Ответ на Re: Reducing the chunk header sizes on all memory context types  (David Rowley <dgrowleyml@gmail.com>)
Ответы Re: Reducing the chunk header sizes on all memory context types  (Tom Lane <tgl@sss.pgh.pa.us>)
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David Rowley <dgrowleyml@gmail.com> writes:
> I did see that PostGIS does use
> MemoryContextContains(), though I didn't look at their code to figure
> out if they're always passing it a pointer to an allocated chunk.

As far as I can tell from a cursory look, they should be able to use
the GetMemoryChunkContext workaround, because they are just doing this
with SHARED_GSERIALIZED objects, which seem to always be palloc'd.

            regards, tom lane

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