diff options
Diffstat (limited to 'src/include/utils/tqual.h')
| -rw-r--r-- | src/include/utils/tqual.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/include/utils/tqual.h b/src/include/utils/tqual.h index e34c28a4f78..48abe62983d 100644 --- a/src/include/utils/tqual.h +++ b/src/include/utils/tqual.h @@ -22,6 +22,7 @@ extern PGDLLIMPORT SnapshotData SnapshotSelfData; extern PGDLLIMPORT SnapshotData SnapshotAnyData; extern PGDLLIMPORT SnapshotData SnapshotToastData; +extern PGDLLIMPORT SnapshotData CatalogSnapshotData; #define SnapshotSelf (&SnapshotSelfData) #define SnapshotAny (&SnapshotAnyData) @@ -37,7 +38,8 @@ extern PGDLLIMPORT SnapshotData SnapshotToastData; /* This macro encodes the knowledge of which snapshots are MVCC-safe */ #define IsMVCCSnapshot(snapshot) \ - ((snapshot)->satisfies == HeapTupleSatisfiesMVCC) + ((snapshot)->satisfies == HeapTupleSatisfiesMVCC || \ + (snapshot)->satisfies == HeapTupleSatisfiesHistoricMVCC) /* * HeapTupleSatisfiesVisibility @@ -73,6 +75,8 @@ extern bool HeapTupleSatisfiesToast(HeapTuple htup, Snapshot snapshot, Buffer buffer); extern bool HeapTupleSatisfiesDirty(HeapTuple htup, Snapshot snapshot, Buffer buffer); +extern bool HeapTupleSatisfiesHistoricMVCC(HeapTuple htup, + Snapshot snapshot, Buffer buffer); /* Special "satisfies" routines with different APIs */ extern HTSU_Result HeapTupleSatisfiesUpdate(HeapTuple htup, @@ -86,4 +90,13 @@ extern void HeapTupleSetHintBits(HeapTupleHeader tuple, Buffer buffer, uint16 infomask, TransactionId xid); extern bool HeapTupleHeaderIsOnlyLocked(HeapTupleHeader tuple); +/* + * To avoid leaking to much knowledge about reorderbuffer implementation + * details this is implemented in reorderbuffer.c not tqual.c. + */ +extern bool ResolveCminCmaxDuringDecoding(struct HTAB *tuplecid_data, + Snapshot snapshot, + HeapTuple htup, + Buffer buffer, + CommandId *cmin, CommandId *cmax); #endif /* TQUAL_H */ |