Re: [HACKERS] TODO: Cache most recent query plan - Mailing list pgsql-hackers

From Chris
Subject Re: [HACKERS] TODO: Cache most recent query plan
Date
Msg-id 38AAA714.70E32799@bitmead.com
Whole thread Raw
In response to TODO: Cache most recent query plan  (Karel Zak - Zakkr <zakkr@zf.jcu.cz>)
Responses Re: [HACKERS] TODO: Cache most recent query plan
List pgsql-hackers
Karel Zak - Zakkr wrote:
> 
>  In TODO is:
> 
>  CACHE:
>      * Cache most recent query plan(s) [prepare]

I havn't been following what this is about, but
any implementation of caching query plans should
be careful about pg_class.relhasindex and 
pg_class.relhassubclass, otherwise reuse of
query plans could give incorrect results, _maybe_,
depending on what you are planning here.

-- 
Chris Bitmead
mailto:chris@bitmead.com


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