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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