diff options
Diffstat (limited to 'src/backend/access/itup.h')
-rw-r--r-- | src/backend/access/itup.h | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/src/backend/access/itup.h b/src/backend/access/itup.h deleted file mode 100644 index 028bf430b0d..00000000000 --- a/src/backend/access/itup.h +++ /dev/null @@ -1,104 +0,0 @@ -/*------------------------------------------------------------------------- - * - * itup.h-- - * POSTGRES index tuple definitions. - * - * - * Copyright (c) 1994, Regents of the University of California - * - * $Id: itup.h,v 1.1.1.1 1996/07/09 06:21:08 scrappy Exp $ - * - *------------------------------------------------------------------------- - */ -#ifndef ITUP_H -#define ITUP_H - -#include "c.h" -#include "access/ibit.h" -#include "access/tupdesc.h" /* for TupleDesc */ -#include "storage/itemptr.h" - -#define MaxIndexAttributeNumber 7 - -typedef struct IndexTupleData { - ItemPointerData t_tid; /* reference TID to base tuple */ - - /* - * t_info is layed out in the following fashion: - * - * 15th (leftmost) bit: "has nulls" bit - * 14th bit: "has varlenas" bit - * 13th bit: "has rules" bit - (removed ay 11/94) - * bits 12-0 bit: size of tuple. - */ - - unsigned short t_info; /* various info about tuple */ - - /* - * please make sure sizeof(IndexTupleData) is MAXALIGN'ed. - * See IndexInfoFindDataOffset() for the reason. - */ - -} IndexTupleData; /* MORE DATA FOLLOWS AT END OF STRUCT */ - -typedef IndexTupleData *IndexTuple; - - -typedef struct InsertIndexResultData { - ItemPointerData pointerData; -} InsertIndexResultData; - -typedef InsertIndexResultData *InsertIndexResult; - - -typedef struct RetrieveIndexResultData { - ItemPointerData index_iptr; - ItemPointerData heap_iptr; -} RetrieveIndexResultData; - -typedef RetrieveIndexResultData *RetrieveIndexResult; - - -/*----------------- - * PredInfo - - * used for partial indices - *----------------- - */ -typedef struct PredInfo { - Node *pred; - Node *oldPred; -} PredInfo; - - -/* ---------------- - * externs - * ---------------- - */ - -#define INDEX_SIZE_MASK 0x1FFF -#define INDEX_NULL_MASK 0x8000 -#define INDEX_VAR_MASK 0x4000 - -#define IndexTupleSize(itup) (((IndexTuple) (itup))->t_info & 0x1FFF) -#define IndexTupleDSize(itup) ((itup).t_info & 0x1FFF) -#define IndexTupleNoNulls(itup) (!(((IndexTuple) (itup))->t_info & 0x8000)) -#define IndexTupleAllFixed(itup) (!(((IndexTuple) (itup))->t_info & 0x4000)) - -#define IndexTupleHasMinHeader(itup) (IndexTupleNoNulls(itup)) - - -/* indextuple.h */ -extern IndexTuple index_formtuple(TupleDesc tupleDescriptor, - Datum value[], char null[]); -extern char *fastgetiattr(IndexTuple tup, int attnum, - TupleDesc att, bool *isnull); -extern Datum index_getattr(IndexTuple tuple, AttrNumber attNum, - TupleDesc tupDesc, bool *isNullOutP); -extern RetrieveIndexResult -FormRetrieveIndexResult(ItemPointer indexItemPointer, - ItemPointer heapItemPointer); -extern void CopyIndexTuple(IndexTuple source, IndexTuple *target); - - -#endif /* ITUP_H */ - |