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(parent: 57c735f) | patch
Add UPDATE entry for row reuse.
authorBruce Momjian <bruce@momjian.us>
Sat, 24 Jun 2006 23:45:02 +0000 (23:45 +0000)
committerBruce Momjian <bruce@momjian.us>
Sat, 24 Jun 2006 23:45:02 +0000 (23:45 +0000)
commit7c02e20996045d669b927d2470ae194a9870d1b7
treeb2f501d5ab22857ea8e156d6294b5b2b32ee0835tree
parent57c735feaaf8da8e0b4ed69e6ddbb7d4f4f74ec5commit | diff
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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