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Add the sqliteBtreePrevious() routine to the BTree module API. This is

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in anticipation of implementing reverse order searching of a table. (CVS 794)

FossilOrigin-Name: 0ad1d93879bee0d34b122591c025192a51b8490f
This commit is contained in:
drh
2002-12-04 13:40:25 +00:00
parent c66c5a266b
commit 2dcc9aa2a8
9 changed files with 331 additions and 43 deletions
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3
src/btree.h
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@@ -13,7 +13,7 @@
** subsystem. See comments in the source code for a detailed description
** of what each interface routine does.
**
** @(#) $Id: btree.h,v 1.25 2002/08/11 20:10:48 drh Exp $
** @(#) $Id: btree.h,v 1.26 2002/12/04 13:40:26 drh Exp $
*/
#ifndef _BTREE_H_
#define _BTREE_H_
@@ -45,6 +45,7 @@ int sqliteBtreeInsert(BtCursor*, const void *pKey, int nKey,
int sqliteBtreeFirst(BtCursor*, int *pRes);
int sqliteBtreeLast(BtCursor*, int *pRes);
int sqliteBtreeNext(BtCursor*, int *pRes);
int sqliteBtreePrevious(BtCursor*, int *pRes);
int sqliteBtreeKeySize(BtCursor*, int *pSize);
int sqliteBtreeKey(BtCursor*, int offset, int amt, char *zBuf);
int sqliteBtreeKeyCompare(BtCursor*, const void *pKey, int nKey,