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Diffstat (limited to 'src/backend/access/transam/xact.c')
-rw-r--r-- | src/backend/access/transam/xact.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c index b5ed77dc28b..25a3a4f97e6 100644 --- a/src/backend/access/transam/xact.c +++ b/src/backend/access/transam/xact.c @@ -4991,8 +4991,9 @@ SerializeTransactionState(Size maxsize, char *start_address) { if (TransactionIdIsValid(s->transactionId)) workspace[i++] = s->transactionId; - memcpy(&workspace[i], s->childXids, - s->nChildXids * sizeof(TransactionId)); + if (s->nChildXids > 0) + memcpy(&workspace[i], s->childXids, + s->nChildXids * sizeof(TransactionId)); i += s->nChildXids; } Assert(i == nxids); |