Re: UNDO and in-place update - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: UNDO and in-place update
Date
Msg-id CAA4eK1++tcwfxvnCV5vTn8OVs26RYfWSd1i_8kD0RdEdGN7hMg@mail.gmail.com
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In response to Re: UNDO and in-place update  (Amit Kapila <amit.kapila16@gmail.com>)
List pgsql-hackers
On Fri, Nov 25, 2016 at 8:03 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>>
>
> Another way to do is to write UNDO log for split operation (with exact
> record locations on pages that are split) so that you don't need to
> perform this expensive search operation.  I can understand writing
> UNDO for split could be costly but so is writing WAL for it.  I think
> for UNDO, we should follow a generic rule as for heap
>

typo.
/heap/WAL

-- 
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com



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