diff options
Diffstat (limited to 'src/include/access/transam.h')
| -rw-r--r-- | src/include/access/transam.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/include/access/transam.h b/src/include/access/transam.h index 6a947b958b0..9a808f64ebe 100644 --- a/src/include/access/transam.h +++ b/src/include/access/transam.h @@ -47,7 +47,11 @@ #define EpochFromFullTransactionId(x) ((uint32) ((x).value >> 32)) #define XidFromFullTransactionId(x) ((uint32) (x).value) #define U64FromFullTransactionId(x) ((x).value) +#define FullTransactionIdEquals(a, b) ((a).value == (b).value) #define FullTransactionIdPrecedes(a, b) ((a).value < (b).value) +#define FullTransactionIdPrecedesOrEquals(a, b) ((a).value <= (b).value) +#define FullTransactionIdFollows(a, b) ((a).value > (b).value) +#define FullTransactionIdFollowsOrEquals(a, b) ((a).value >= (b).value) #define FullTransactionIdIsValid(x) TransactionIdIsValid(XidFromFullTransactionId(x)) #define InvalidFullTransactionId FullTransactionIdFromEpochAndXid(0, InvalidTransactionId) @@ -71,6 +75,16 @@ FullTransactionIdFromEpochAndXid(uint32 epoch, TransactionId xid) return result; } +static inline FullTransactionId +FullTransactionIdFromU64(uint64 value) +{ + FullTransactionId result; + + result.value = value; + + return result; +} + /* advance a transaction ID variable, handling wraparound correctly */ #define TransactionIdAdvance(dest) \ do { \ |