diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/storage/ipc/procarray.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c index e687cde6f17..51f8099cad2 100644 --- a/src/backend/storage/ipc/procarray.c +++ b/src/backend/storage/ipc/procarray.c @@ -860,6 +860,15 @@ ProcArrayClearTransaction(PGPROC *proc) Assert(!(proc->vacuumFlags & PROC_VACUUM_STATE_MASK)); Assert(!proc->delayChkpt); + /* + * Need to increment completion count even though transaction hasn't + * really committed yet. The reason for that is that GetSnapshotData() + * omits the xid of the current transaction, thus without the increment we + * otherwise could end up reusing the snapshot later. Which would be bad, + * because it might not count the prepared transaction as running. + */ + ShmemVariableCache->xactCompletionCount++; + /* Clear the subtransaction-XID cache too */ Assert(ProcGlobal->subxidStates[pgxactoff].count == proc->subxidStatus.count && ProcGlobal->subxidStates[pgxactoff].overflowed == proc->subxidStatus.overflowed); |