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Re: mvcc & DML on the same row - Mailing list pgsql-hackers

From Andres Freund
Subject Re: mvcc & DML on the same row
Date
Msg-id 201012161518.20871.andres@anarazel.de
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In response to Re: mvcc & DML on the same row  (Simon Riggs <simon@2ndQuadrant.com>)
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On Thursday 16 December 2010 15:11:01 Simon Riggs wrote:
> In order to remove X1 we would need to change X0 to point to X2, which
> we don't do because we're not allowed to update in place. Even if we
> could, I'm not sure this case is frequent enough to be worth the effort.
Especially as X3 would need to fit into X2's space for it to be beneficial...

Andres

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