Update comment atop of ReorderBufferQueueMessage().
The comments atop of this function describes behaviour in case of a
transactional WAL message only, but it accepts both transactional and
non-transactional WAL messages. Update the comments to describe
behaviour in case of non-transactional WAL message as well.
Ashutosh Bapat, rephrased by Amit Kapila
Discussion:
@@ -783,7 +783,8 @@ ReorderBufferQueueChange(ReorderBuffer *rb, TransactionId xid, XLogRecPtr lsn,
}
/*
- * Queue message into a transaction so it can be processed upon commit.
+ * A transactional message is queued to be processed upon commit and a
+ * non-transactional message gets processed immediately.
*/
void
ReorderBufferQueueMessage(ReorderBuffer *rb, TransactionId xid,
