Thread: pgsql: Fix overly strict assertion in SummarizeOldestCommittedSxact().

pgsql: Fix overly strict assertion in SummarizeOldestCommittedSxact().

From
Heikki Linnakangas
Date:
Fix overly strict assertion in SummarizeOldestCommittedSxact(). There's a
race condition where SummarizeOldestCommittedSxact() is called even though
another backend already cleared out all finished sxact entries. That's OK,
RegisterSerializableTransactionInt() can just retry getting a news xact
slot from the available-list when that happens.

Reported by YAMAMOTO Takashi, bug #5918.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/46c333a9638b329a3c8076d978f27c5b05c0d5f0

Modified Files
--------------
src/backend/storage/lmgr/predicate.c |   14 ++++++++++----
1 files changed, 10 insertions(+), 4 deletions(-)