Re: SetBufferCommitInfoNeedsSave and race conditions - Mailing list pgsql-hackers

From Tom Lane
Subject Re: SetBufferCommitInfoNeedsSave and race conditions
Date
Msg-id 19267.1183058175@sss.pgh.pa.us
Whole thread Raw
In response to Re: SetBufferCommitInfoNeedsSave and race conditions  (Heikki Linnakangas <heikki@enterprisedb.com>)
Responses Re: SetBufferCommitInfoNeedsSave and race conditions  (Alvaro Herrera <alvherre@commandprompt.com>)
Re: SetBufferCommitInfoNeedsSave and race conditions  ("Simon Riggs" <simon@2ndquadrant.com>)
List pgsql-hackers
Heikki Linnakangas <heikki@enterprisedb.com> writes:
> AFAICS, we can just simply remove the assertion. But is there any 
> codepaths that assume that after calling HeapTupleSatisfiesSnapshot, all 
> appropriate hint bits are set?

There had better not be, since we are going to postpone setting hint
bits for recently-committed transactions as part of the async-commit
patch.

A quick grep suggests that VACUUM FULL might be at risk here.
        regards, tom lane


pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: write past chunk end in ExprContext / to_char
Next
From: Alvaro Herrera
Date:
Subject: Re: SetBufferCommitInfoNeedsSave and race conditions