diff options
Diffstat (limited to 'src/backend/storage/ipc/procarray.c')
| -rw-r--r-- | src/backend/storage/ipc/procarray.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c index 4cfb22222b1..7eb431ed231 100644 --- a/src/backend/storage/ipc/procarray.c +++ b/src/backend/storage/ipc/procarray.c @@ -1099,7 +1099,7 @@ ProcArrayApplyRecoveryInfo(RunningTransactions running) * If the snapshot isn't overflowed or if its empty we can reset our * pending state and use this snapshot instead. */ - if (!running->subxid_overflow || running->xcnt == 0) + if (running->subxid_status != SUBXIDS_MISSING || running->xcnt == 0) { /* * If we have already collected known assigned xids, we need to @@ -1251,7 +1251,7 @@ ProcArrayApplyRecoveryInfo(RunningTransactions running) * missing, so conservatively assume the last one is latestObservedXid. * ---------- */ - if (running->subxid_overflow) + if (running->subxid_status == SUBXIDS_MISSING) { standbyState = STANDBY_SNAPSHOT_PENDING; @@ -1263,6 +1263,18 @@ ProcArrayApplyRecoveryInfo(RunningTransactions running) standbyState = STANDBY_SNAPSHOT_READY; standbySnapshotPendingXmin = InvalidTransactionId; + + /* + * If the 'xids' array didn't include all subtransactions, we have to + * mark any snapshots taken as overflowed. + */ + if (running->subxid_status == SUBXIDS_IN_SUBTRANS) + procArray->lastOverflowedXid = latestObservedXid; + else + { + Assert(running->subxid_status == SUBXIDS_IN_ARRAY); + procArray->lastOverflowedXid = InvalidTransactionId; + } } /* @@ -2897,7 +2909,7 @@ GetRunningTransactionData(void) CurrentRunningXacts->xcnt = count - subcount; CurrentRunningXacts->subxcnt = subcount; - CurrentRunningXacts->subxid_overflow = suboverflowed; + CurrentRunningXacts->subxid_status = suboverflowed ? SUBXIDS_IN_SUBTRANS : SUBXIDS_IN_ARRAY; CurrentRunningXacts->nextXid = XidFromFullTransactionId(ShmemVariableCache->nextXid); CurrentRunningXacts->oldestRunningXid = oldestRunningXid; CurrentRunningXacts->latestCompletedXid = latestCompletedXid; |