diff options
Diffstat (limited to 'src/backend/storage/ipc/procarray.c')
| -rw-r--r-- | src/backend/storage/ipc/procarray.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c index 5798c12a44a..d739812f230 100644 --- a/src/backend/storage/ipc/procarray.c +++ b/src/backend/storage/ipc/procarray.c @@ -804,8 +804,13 @@ ProcArrayApplyRecoveryInfo(RunningTransactions running) /* * Sort the array so that we can add them safely into * KnownAssignedXids. + * + * We have to sort them logically, because in KnownAssignedXidsAdd we + * call TransactionIdFollowsOrEquals and so on. But we know these XIDs + * come from RUNNING_XACTS, which means there are only normal XIDs from + * the same epoch, so this is safe. */ - qsort(xids, nxids, sizeof(TransactionId), xidComparator); + qsort(xids, nxids, sizeof(TransactionId), xidLogicalComparator); /* * Add the sorted snapshot into KnownAssignedXids. The running-xacts |