diff options
Diffstat (limited to 'src/include/utils/tqual.h')
| -rw-r--r-- | src/include/utils/tqual.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/include/utils/tqual.h b/src/include/utils/tqual.h index 036d9898d69..9a3b56e5f03 100644 --- a/src/include/utils/tqual.h +++ b/src/include/utils/tqual.h @@ -66,6 +66,8 @@ extern bool HeapTupleSatisfiesToast(HeapTuple htup, Snapshot snapshot, Buffer buffer); extern bool HeapTupleSatisfiesDirty(HeapTuple htup, Snapshot snapshot, Buffer buffer); +extern bool HeapTupleSatisfiesNonVacuumable(HeapTuple htup, + Snapshot snapshot, Buffer buffer); extern bool HeapTupleSatisfiesHistoricMVCC(HeapTuple htup, Snapshot snapshot, Buffer buffer); @@ -101,6 +103,14 @@ extern bool ResolveCminCmaxDuringDecoding(struct HTAB *tuplecid_data, ((snapshotdata).satisfies = HeapTupleSatisfiesDirty) /* + * Similarly, some initialization is required for a NonVacuumable snapshot. + * The caller must supply the xmin horizon to use (e.g., RecentGlobalXmin). + */ +#define InitNonVacuumableSnapshot(snapshotdata, xmin_horizon) \ + ((snapshotdata).satisfies = HeapTupleSatisfiesNonVacuumable, \ + (snapshotdata).xmin = (xmin_horizon)) + +/* * Similarly, some initialization is required for SnapshotToast. We need * to set lsn and whenTaken correctly to support snapshot_too_old. */ |