diff options
Diffstat (limited to 'src/backend/storage/lmgr/predicate.c')
| -rw-r--r-- | src/backend/storage/lmgr/predicate.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/backend/storage/lmgr/predicate.c b/src/backend/storage/lmgr/predicate.c index b81ebeb260..01e03f0e84 100644 --- a/src/backend/storage/lmgr/predicate.c +++ b/src/backend/storage/lmgr/predicate.c @@ -1653,6 +1653,14 @@ GetSerializableTransactionSnapshotInt(Snapshot snapshot, Assert(!RecoveryInProgress()); + /* + * Since all parts of a serializable transaction must use the same + * snapshot, it is too late to establish one after a parallel operation + * has begun. + */ + if (IsInParallelMode()) + elog(ERROR, "cannot establish serializable snapshot during a parallel operation"); + proc = MyProc; Assert(proc != NULL); GET_VXID_FROM_PGPROC(vxid, *proc); |