Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to

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От Heikki Linnakangas
Тема Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to
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Msg-id 4B9612F0.4030809@enterprisedb.com
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Ответ на Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to  (Simon Riggs <simon@2ndQuadrant.com>)
Ответы Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to  (Simon Riggs <simon@2ndQuadrant.com>)
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Simon Riggs wrote:
> XLOG_BTREE_DELETE records would not carry latestRemovedXid, this would
> be calculated by inspection of heap tuples.

You might still want to keep the conservative latestRemovedXid value in
the WAL record to avoid the extra work when latestRemovedXid alone allows.

--  Heikki Linnakangas EnterpriseDB   http://www.enterprisedb.com

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