greenplumn joininfo 源码
greenplumn joininfo 代码
文件路径：/src/include/optimizer/joininfo.h
/*-------------------------------------------------------------------------
*
* joininfo.h
* prototypes for joininfo.c.
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/optimizer/joininfo.h
*
*-------------------------------------------------------------------------
*/
#ifndef JOININFO_H
#define JOININFO_H
#include "nodes/pathnodes.h"
extern bool have_relevant_joinclause(PlannerInfo *root,
RelOptInfo *rel1, RelOptInfo *rel2);
extern void add_join_clause_to_rels(PlannerInfo *root,
RestrictInfo *restrictinfo,
Relids join_relids);
extern void remove_join_clause_from_rels(PlannerInfo *root,
RestrictInfo *restrictinfo,
Relids join_relids);
#endif /* JOININFO_H */
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