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

From Heikki Linnakangas
Subject Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to
Date
Msg-id 4B9612F0.4030809@enterprisedb.com
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In response to Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to  (Simon Riggs <simon@2ndQuadrant.com>)
Responses Re: Re: [COMMITTERS] pgsql: Augment WAL records for btree delete with GetOldestXmin() to
List pgsql-hackers
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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