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| author | Robert Haas <rhaas@postgresql.org> | 2017-08-10 11:20:57 -0400 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2017-08-10 11:20:57 -0400 |
| commit | ec99dd5aee8b831760046d43098c2d1cf23157ed (patch) | |
| tree | 452f240c26b24f021c2ecb73ad50ecf086c8d614 /src/backend/access/transam/clog.c | |
| parent | 749c7c41701c62d96a56af1531e4f51e39173be3 (diff) | |
| download | postgresql-ec99dd5aee8b831760046d43098c2d1cf23157ed.tar.gz postgresql-ec99dd5aee8b831760046d43098c2d1cf23157ed.zip | |
Remove incorrect assertion in clog.c
We must advance the oldest XID that can be safely looked up in clog
*before* truncating CLOG, and the oldest XID that can't be reused
*after* truncating CLOG. This assertion, and the accompanying
comment, are confused; remove them.
Reported by Neha Sharma.
Discussion: http://postgr.es/m/CANiYTQumC3T=UMBMd1Hor=5XWZYuCEQBioL3ug0YtNQCMMT5wQ@mail.gmail.com
Diffstat (limited to 'src/backend/access/transam/clog.c')
| -rw-r--r-- | src/backend/access/transam/clog.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/src/backend/access/transam/clog.c b/src/backend/access/transam/clog.c index c34e7e1945f..0a7e2b310f1 100644 --- a/src/backend/access/transam/clog.c +++ b/src/backend/access/transam/clog.c @@ -678,10 +678,6 @@ TruncateCLOG(TransactionId oldestXact, Oid oldestxid_datoid) */ AdvanceOldestClogXid(oldestXact); - /* vac_truncate_clog already advanced oldestXid */ - Assert(TransactionIdPrecedesOrEquals(oldestXact, - ShmemVariableCache->oldestXid)); - /* * Write XLOG record and flush XLOG to disk. We record the oldest xid * we're keeping information about here so we can ensure that it's always |