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Diffstat (limited to 'src/backend/replication/logical/snapbuild.c')
| -rw-r--r-- | src/backend/replication/logical/snapbuild.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/backend/replication/logical/snapbuild.c b/src/backend/replication/logical/snapbuild.c index 6ae09ce4004..727ef778537 100644 --- a/src/backend/replication/logical/snapbuild.c +++ b/src/backend/replication/logical/snapbuild.c @@ -551,6 +551,18 @@ SnapBuildExportSnapshot(SnapBuild *builder) * mechanism. Due to that we can do this without locks, we're only * changing our own value. */ +#ifdef USE_ASSERT_CHECKING + { + TransactionId safeXid; + + LWLockAcquire(ProcArrayLock, LW_SHARED); + safeXid = GetOldestSafeDecodingTransactionId(true); + LWLockRelease(ProcArrayLock); + + Assert(TransactionIdPrecedesOrEquals(safeXid, snap->xmin)); + } +#endif + MyPgXact->xmin = snap->xmin; /* allocate in transaction context */ |