Re: Another HOT thought: why do we need indcreatexid at all? - Mailing list pgsql-hackers

From Gregory Stark
Subject Re: Another HOT thought: why do we need indcreatexid at all?
Date
Msg-id 87r6l2nqae.fsf@oxford.xeocode.com
Whole thread Raw
In response to Another HOT thought: why do we need indcreatexid at all?  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Another HOT thought: why do we need indcreatexid at all?
List pgsql-hackers
"Tom Lane" <tgl@sss.pgh.pa.us> writes:

> AFAICS, the whole indcreatexid and validForTxn business is a waste of
> code.  By the time CREATE INDEX CONCURRENTLY is ready to set indisvalid,
> surely any transactions that could see the broken HOT chains are gone.
> There might have been some reason for this contraption before we had
> plan invalidation, but what use is it now?

Argh, sorry, rereading your message I see there are a few details which I
missed which completely change the meaning of it. Ignore my previous mail :(


--  Gregory Stark EnterpriseDB          http://www.enterprisedb.com


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