git.postgresql.org Git - postgresql.git/commit
2006年6月24日 23:45:02 +0000 (23:45 +0000)
2006年6月24日 23:45:02 +0000 (23:45 +0000)
commit fc6a2293b59e2c2e9d76bbc20df9bd194a9b00cd
Add UPDATE entry for row reuse.
>
> * Allow heap reuse of UPDATEd rows if old and new versions are on the
> same heap page?
>
> This is possible for same-page updates because a single index row
> can point to both old and new values.
> http://archives.postgresql.org/pgsql-hackers/2006-06/msg01305.php
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