diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/access/transam/transam.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/src/backend/access/transam/transam.c b/src/backend/access/transam/transam.c index 9a39451a29a..553d6756cb3 100644 --- a/src/backend/access/transam/transam.c +++ b/src/backend/access/transam/transam.c @@ -273,70 +273,6 @@ TransactionIdAbortTree(TransactionId xid, int nxids, TransactionId *xids) TRANSACTION_STATUS_ABORTED, InvalidXLogRecPtr); } -/* - * TransactionIdPrecedes --- is id1 logically < id2? - */ -bool -TransactionIdPrecedes(TransactionId id1, TransactionId id2) -{ - /* - * If either ID is a permanent XID then we can just do unsigned - * comparison. If both are normal, do a modulo-2^32 comparison. - */ - int32 diff; - - if (!TransactionIdIsNormal(id1) || !TransactionIdIsNormal(id2)) - return (id1 < id2); - - diff = (int32) (id1 - id2); - return (diff < 0); -} - -/* - * TransactionIdPrecedesOrEquals --- is id1 logically <= id2? - */ -bool -TransactionIdPrecedesOrEquals(TransactionId id1, TransactionId id2) -{ - int32 diff; - - if (!TransactionIdIsNormal(id1) || !TransactionIdIsNormal(id2)) - return (id1 <= id2); - - diff = (int32) (id1 - id2); - return (diff <= 0); -} - -/* - * TransactionIdFollows --- is id1 logically > id2? - */ -bool -TransactionIdFollows(TransactionId id1, TransactionId id2) -{ - int32 diff; - - if (!TransactionIdIsNormal(id1) || !TransactionIdIsNormal(id2)) - return (id1 > id2); - - diff = (int32) (id1 - id2); - return (diff > 0); -} - -/* - * TransactionIdFollowsOrEquals --- is id1 logically >= id2? - */ -bool -TransactionIdFollowsOrEquals(TransactionId id1, TransactionId id2) -{ - int32 diff; - - if (!TransactionIdIsNormal(id1) || !TransactionIdIsNormal(id2)) - return (id1 >= id2); - - diff = (int32) (id1 - id2); - return (diff >= 0); -} - /* * TransactionIdLatest --- get latest XID among a main xact and its children |
