数据库系统

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gistscan.h：源码内容

							/*-------------------------------------------------------------------------
 *
 * gistscan.h
 *	  routines defined in access/gisr/gistscan.c
 *
 *
 *
 * rtscan.h,v 1.2 1995/06/14 00:06:58 jolly Exp
 *
 *-------------------------------------------------------------------------
 */
#ifndef GISTSCAN_H
#include "access/relscan.h"
extern IndexScanDesc gistbeginscan(Relation r, bool fromEnd,
			  uint16 nkeys, ScanKey key);
extern void gistrescan(IndexScanDesc s, bool fromEnd, ScanKey key);
extern void gistmarkpos(IndexScanDesc s);
extern void gistrestrpos(IndexScanDesc s);
extern void gistendscan(IndexScanDesc s);
extern void gistadjscans(Relation r, int op, BlockNumber blkno, OffsetNumber offnum);
#endif	 /* GISTSCAN_H */

						