diff options
Diffstat (limited to 'src/include/access/nbtree.h')
| -rw-r--r-- | src/include/access/nbtree.h | 140 |
1 files changed, 70 insertions, 70 deletions
diff --git a/src/include/access/nbtree.h b/src/include/access/nbtree.h index 0062431d6cb..813e557d55c 100644 --- a/src/include/access/nbtree.h +++ b/src/include/access/nbtree.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: nbtree.h,v 1.15 1997/09/07 04:56:06 momjian Exp $ + * $Id: nbtree.h,v 1.16 1997/09/08 02:34:17 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -40,9 +40,9 @@ typedef struct BTPageOpaqueData { - BlockNumber btpo_prev; - BlockNumber btpo_next; - uint16 btpo_flags; + BlockNumber btpo_prev; + BlockNumber btpo_next; + uint16 btpo_flags; #define BTP_LEAF (1 << 0) #define BTP_ROOT (1 << 1) @@ -50,7 +50,7 @@ typedef struct BTPageOpaqueData #define BTP_META (1 << 3) #define BTP_CHAIN (1 << 4) -} BTPageOpaqueData; +} BTPageOpaqueData; typedef BTPageOpaqueData *BTPageOpaque; @@ -67,14 +67,14 @@ typedef BTPageOpaqueData *BTPageOpaque; typedef struct BTScanOpaqueData { - Buffer btso_curbuf; - Buffer btso_mrkbuf; - uint16 qual_ok; /* 0 for quals like key == 1 && key > 2 */ - uint16 numberOfKeys; /* number of keys */ - uint16 numberOfFirstKeys; /* number of keys for 1st + Buffer btso_curbuf; + Buffer btso_mrkbuf; + uint16 qual_ok; /* 0 for quals like key == 1 && key > 2 */ + uint16 numberOfKeys; /* number of keys */ + uint16 numberOfFirstKeys; /* number of keys for 1st * attribute */ - ScanKey keyData; /* key descriptor */ -} BTScanOpaqueData; + ScanKey keyData; /* key descriptor */ +} BTScanOpaqueData; typedef BTScanOpaqueData *BTScanOpaque; @@ -99,12 +99,12 @@ typedef BTScanOpaqueData *BTScanOpaque; typedef struct BTItemData { #ifndef BTREE_VERSION_1 - Oid bti_oid; - int32 bti_dummy; /* padding to make bti_itup align at + Oid bti_oid; + int32 bti_dummy; /* padding to make bti_itup align at * 8-byte boundary */ #endif - IndexTupleData bti_itup; -} BTItemData; + IndexTupleData bti_itup; +} BTItemData; typedef BTItemData *BTItem; @@ -131,25 +131,25 @@ typedef BTItemData *BTItem; typedef struct BTStackData { - BlockNumber bts_blkno; - OffsetNumber bts_offset; - BTItem bts_btitem; + BlockNumber bts_blkno; + OffsetNumber bts_offset; + BTItem bts_btitem; struct BTStackData *bts_parent; -} BTStackData; +} BTStackData; typedef BTStackData *BTStack; typedef struct BTPageState { - Buffer btps_buf; - Page btps_page; - BTItem btps_lastbti; - OffsetNumber btps_lastoff; - OffsetNumber btps_firstoff; - int btps_level; - bool btps_doupper; + Buffer btps_buf; + Page btps_page; + BTItem btps_lastbti; + OffsetNumber btps_lastoff; + OffsetNumber btps_firstoff; + int btps_level; + bool btps_doupper; struct BTPageState *btps_next; -} BTPageState; +} BTPageState; /* * We need to be able to tell the difference between read and write @@ -213,105 +213,105 @@ typedef struct BTPageState /* * prototypes for functions in nbtinsert.c */ -extern InsertIndexResult +extern InsertIndexResult _bt_doinsert(Relation rel, BTItem btitem, bool index_is_unique, Relation heapRel); /* default is to allow duplicates */ -extern bool +extern bool _bt_itemcmp(Relation rel, Size keysz, BTItem item1, BTItem item2, StrategyNumber strat); /* * prototypes for functions in nbtpage.c */ -extern void _bt_metapinit(Relation rel); -extern Buffer _bt_getroot(Relation rel, int access); -extern Buffer _bt_getbuf(Relation rel, BlockNumber blkno, int access); -extern void _bt_relbuf(Relation rel, Buffer buf, int access); -extern void _bt_wrtbuf(Relation rel, Buffer buf); -extern void _bt_wrtnorelbuf(Relation rel, Buffer buf); -extern void _bt_pageinit(Page page, Size size); -extern void _bt_metaproot(Relation rel, BlockNumber rootbknum, int level); -extern Buffer _bt_getstackbuf(Relation rel, BTStack stack, int access); -extern void _bt_pagedel(Relation rel, ItemPointer tid); +extern void _bt_metapinit(Relation rel); +extern Buffer _bt_getroot(Relation rel, int access); +extern Buffer _bt_getbuf(Relation rel, BlockNumber blkno, int access); +extern void _bt_relbuf(Relation rel, Buffer buf, int access); +extern void _bt_wrtbuf(Relation rel, Buffer buf); +extern void _bt_wrtnorelbuf(Relation rel, Buffer buf); +extern void _bt_pageinit(Page page, Size size); +extern void _bt_metaproot(Relation rel, BlockNumber rootbknum, int level); +extern Buffer _bt_getstackbuf(Relation rel, BTStack stack, int access); +extern void _bt_pagedel(Relation rel, ItemPointer tid); /* * prototypes for functions in nbtree.c */ -extern bool BuildingBtree; /* in nbtree.c */ +extern bool BuildingBtree; /* in nbtree.c */ extern void btbuild(Relation heap, Relation index, int natts, AttrNumber * attnum, IndexStrategy istrat, uint16 pcount, Datum * params, FuncIndexInfo * finfo, PredInfo * predInfo); -extern InsertIndexResult +extern InsertIndexResult btinsert(Relation rel, Datum * datum, char *nulls, ItemPointer ht_ctid, Relation heapRel); -extern char *btgettuple(IndexScanDesc scan, ScanDirection dir); -extern char * +extern char *btgettuple(IndexScanDesc scan, ScanDirection dir); +extern char * btbeginscan(Relation rel, bool fromEnd, uint16 keysz, ScanKey scankey); -extern void btrescan(IndexScanDesc scan, bool fromEnd, ScanKey scankey); -extern void btmovescan(IndexScanDesc scan, Datum v); -extern void btendscan(IndexScanDesc scan); -extern void btmarkpos(IndexScanDesc scan); -extern void btrestrpos(IndexScanDesc scan); -extern void btdelete(Relation rel, ItemPointer tid); +extern void btrescan(IndexScanDesc scan, bool fromEnd, ScanKey scankey); +extern void btmovescan(IndexScanDesc scan, Datum v); +extern void btendscan(IndexScanDesc scan); +extern void btmarkpos(IndexScanDesc scan); +extern void btrestrpos(IndexScanDesc scan); +extern void btdelete(Relation rel, ItemPointer tid); /* * prototypes for functions in nbtscan.c */ -extern void _bt_regscan(IndexScanDesc scan); -extern void _bt_dropscan(IndexScanDesc scan); -extern void _bt_adjscans(Relation rel, ItemPointer tid, int op); +extern void _bt_regscan(IndexScanDesc scan); +extern void _bt_dropscan(IndexScanDesc scan); +extern void _bt_adjscans(Relation rel, ItemPointer tid, int op); /* * prototypes for functions in nbtsearch.c */ -extern BTStack +extern BTStack _bt_search(Relation rel, int keysz, ScanKey scankey, Buffer * bufP); -extern Buffer +extern Buffer _bt_moveright(Relation rel, Buffer buf, int keysz, ScanKey scankey, int access); -extern bool +extern bool _bt_skeycmp(Relation rel, Size keysz, ScanKey scankey, Page page, ItemId itemid, StrategyNumber strat); -extern OffsetNumber +extern OffsetNumber _bt_binsrch(Relation rel, Buffer buf, int keysz, ScanKey scankey, int srchtype); extern RetrieveIndexResult _bt_next(IndexScanDesc scan, ScanDirection dir); extern RetrieveIndexResult _bt_first(IndexScanDesc scan, ScanDirection dir); -extern bool _bt_step(IndexScanDesc scan, Buffer * bufP, ScanDirection dir); +extern bool _bt_step(IndexScanDesc scan, Buffer * bufP, ScanDirection dir); /* * prototypes for functions in nbtstrat.c */ -extern StrategyNumber +extern StrategyNumber _bt_getstrat(Relation rel, AttrNumber attno, RegProcedure proc); -extern bool +extern bool _bt_invokestrat(Relation rel, AttrNumber attno, StrategyNumber strat, Datum left, Datum right); /* * prototypes for functions in nbtutils.c */ -extern ScanKey _bt_mkscankey(Relation rel, IndexTuple itup); -extern void _bt_freeskey(ScanKey skey); -extern void _bt_freestack(BTStack stack); -extern void _bt_orderkeys(Relation relation, BTScanOpaque so); -extern bool _bt_checkkeys(IndexScanDesc scan, IndexTuple tuple, Size * keysok); -extern BTItem _bt_formitem(IndexTuple itup); +extern ScanKey _bt_mkscankey(Relation rel, IndexTuple itup); +extern void _bt_freeskey(ScanKey skey); +extern void _bt_freestack(BTStack stack); +extern void _bt_orderkeys(Relation relation, BTScanOpaque so); +extern bool _bt_checkkeys(IndexScanDesc scan, IndexTuple tuple, Size * keysok); +extern BTItem _bt_formitem(IndexTuple itup); /* * prototypes for functions in nbtsort.c */ -extern void *_bt_spoolinit(Relation index, int ntapes, bool isunique); -extern void _bt_spooldestroy(void *spool); -extern void _bt_spool(Relation index, BTItem btitem, void *spool); -extern void _bt_leafbuild(Relation index, void *spool); +extern void *_bt_spoolinit(Relation index, int ntapes, bool isunique); +extern void _bt_spooldestroy(void *spool); +extern void _bt_spool(Relation index, BTItem btitem, void *spool); +extern void _bt_leafbuild(Relation index, void *spool); #endif /* NBTREE_H */ |