diff options
Diffstat (limited to 'src/include/utils/tqual.h')
| -rw-r--r-- | src/include/utils/tqual.h | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/src/include/utils/tqual.h b/src/include/utils/tqual.h index 5fe617b8c0..1cc67f0ea5 100644 --- a/src/include/utils/tqual.h +++ b/src/include/utils/tqual.h @@ -7,7 +7,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: tqual.h,v 1.20 1999/02/13 23:22:33 momjian Exp $ + * $Id: tqual.h,v 1.21 1999/05/25 16:14:58 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -18,11 +18,11 @@ typedef struct SnapshotData { - TransactionId xmin; /* XID < xmin are visible to me */ - TransactionId xmax; /* XID >= xmax are invisible to me */ - uint32 xcnt; /* # of xact below */ - TransactionId *xip; /* array of xacts in progress */ - ItemPointerData tid; /* required for Dirty snapshot -:( */ + TransactionId xmin; /* XID < xmin are visible to me */ + TransactionId xmax; /* XID >= xmax are invisible to me */ + uint32 xcnt; /* # of xact below */ + TransactionId *xip; /* array of xacts in progress */ + ItemPointerData tid; /* required for Dirty snapshot -:( */ } SnapshotData; typedef SnapshotData *Snapshot; @@ -30,9 +30,9 @@ typedef SnapshotData *Snapshot; #define SnapshotNow ((Snapshot) 0x0) #define SnapshotSelf ((Snapshot) 0x1) -extern Snapshot SnapshotDirty; -extern Snapshot QuerySnapshot; -extern Snapshot SerializableSnapshot; +extern Snapshot SnapshotDirty; +extern Snapshot QuerySnapshot; +extern Snapshot SerializableSnapshot; #define IsSnapshotNow(snapshot) ((Snapshot) snapshot == SnapshotNow) #define IsSnapshotSelf(snapshot) ((Snapshot) snapshot == SnapshotSelf) @@ -42,7 +42,7 @@ extern TransactionId HeapSpecialTransactionId; extern CommandId HeapSpecialCommandId; /* - * HeapTupleSatisfiesVisibility + * HeapTupleSatisfiesVisibility * True iff heap tuple satsifies a time qual. * * Note: @@ -87,22 +87,22 @@ extern CommandId HeapSpecialCommandId; ) \ ) -#define HeapTupleMayBeUpdated 0 -#define HeapTupleInvisible 1 +#define HeapTupleMayBeUpdated 0 +#define HeapTupleInvisible 1 #define HeapTupleSelfUpdated 2 #define HeapTupleUpdated 3 #define HeapTupleBeingUpdated 4 -extern bool HeapTupleSatisfiesItself(HeapTupleHeader tuple); -extern bool HeapTupleSatisfiesNow(HeapTupleHeader tuple); -extern bool HeapTupleSatisfiesDirty(HeapTupleHeader tuple); -extern bool HeapTupleSatisfiesSnapshot(HeapTupleHeader tuple, Snapshot snapshot); -extern int HeapTupleSatisfiesUpdate(HeapTuple tuple); +extern bool HeapTupleSatisfiesItself(HeapTupleHeader tuple); +extern bool HeapTupleSatisfiesNow(HeapTupleHeader tuple); +extern bool HeapTupleSatisfiesDirty(HeapTupleHeader tuple); +extern bool HeapTupleSatisfiesSnapshot(HeapTupleHeader tuple, Snapshot snapshot); +extern int HeapTupleSatisfiesUpdate(HeapTuple tuple); extern void setheapoverride(bool on); extern Snapshot GetSnapshotData(bool serializable); -extern void SetQuerySnapshot(void); -extern void FreeXactSnapshot(void); +extern void SetQuerySnapshot(void); +extern void FreeXactSnapshot(void); #endif /* TQUAL_H */ |