greenplumn gistscan 代码
文件路径：/src/include/access/gistscan.h
/*-------------------------------------------------------------------------
*
* gistscan.h
* routines defined in access/gist/gistscan.c
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/access/gistscan.h
*
*-------------------------------------------------------------------------
*/
#ifndef GISTSCAN_H
#define GISTSCAN_H
#include "access/amapi.h"
extern IndexScanDesc gistbeginscan(Relation r, int nkeys, int norderbys);
extern void gistrescan(IndexScanDesc scan, ScanKey key, int nkeys,
ScanKey orderbys, int norderbys);
extern void gistendscan(IndexScanDesc scan);
#endif /* GISTSCAN_H */
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