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doc: restore wording from recent patch "rolled back to" 

Reported-by: Tom Lane

Discussion: https://postgr.es/m/31072.1585690490@sss.pgh.pa.us

Backpatch-through: 9.5 - 12
This commit is contained in:
Bruce Momjian 2020-03-31 17:52:48 -04:00
parent 6a4c58158b
commit e564c17d2a
1 changed files with 1 additions and 1 deletions
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doc/src/sgml/mvcc.sgml
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@ -1041,7 +1041,7 @@ ERROR: could not serialize access due to read/write dependencies among transact
<para>
Once acquired, a lock is normally held until the end of the transaction. But if a
lock is acquired after establishing a savepoint, the lock is released
immediately if the savepoint is rolled back. This is consistent with
immediately if the savepoint is rolled back to. This is consistent with
the principle that <command>ROLLBACK</command> cancels all effects of the
commands since the savepoint. The same holds for locks acquired within a
<application>PL/pgSQL</application> exception block: an error escape from the block