greenplumn relation 源码
greenplumn relation 代码
文件路径：/src/include/access/relation.h
/*-------------------------------------------------------------------------
*
* relation.h
* Generic relation related routines.
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/access/relation.h
*
*-------------------------------------------------------------------------
*/
#ifndef ACCESS_RELATION_H
#define ACCESS_RELATION_H
#include "nodes/primnodes.h"
#include "utils/relcache.h"
#include "storage/lockdefs.h"
extern Relation relation_open(Oid relationId, LOCKMODE lockmode);
extern Relation try_relation_open(Oid relationId, LOCKMODE lockmode, bool noWait);
extern Relation relation_openrv(const RangeVar *relation, LOCKMODE lockmode);
extern Relation relation_openrv_extended(const RangeVar *relation,
LOCKMODE lockmode, bool missing_ok);
extern void relation_close(Relation relation, LOCKMODE lockmode);
#endif /* ACCESS_RELATION_H */
相关信息
相关文章
greenplumn appendonly_compaction 源码
greenplumn appendonly_visimap 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦