postgresql/src/include/optimizer/appendinfo.h
Bruce Momjian 7559d8ebfa Update copyrights for 2020
Backpatch-through: update all files in master, backpatch legal files through 9.4
2020-01-01 12:21:45 -05:00

35 lines
1.3 KiB
C

/*-------------------------------------------------------------------------
*
* appendinfo.h
* Routines for mapping expressions between append rel parent(s) and
* children
*
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/optimizer/appendinfo.h
*
*-------------------------------------------------------------------------
*/
#ifndef APPENDINFO_H
#define APPENDINFO_H
#include "nodes/pathnodes.h"
#include "utils/relcache.h"
extern AppendRelInfo *make_append_rel_info(Relation parentrel,
Relation childrel,
Index parentRTindex, Index childRTindex);
extern Node *adjust_appendrel_attrs(PlannerInfo *root, Node *node,
int nappinfos, AppendRelInfo **appinfos);
extern Node *adjust_appendrel_attrs_multilevel(PlannerInfo *root, Node *node,
Relids child_relids,
Relids top_parent_relids);
extern Relids adjust_child_relids(Relids relids, int nappinfos,
AppendRelInfo **appinfos);
extern Relids adjust_child_relids_multilevel(PlannerInfo *root, Relids relids,
Relids child_relids, Relids top_parent_relids);
extern AppendRelInfo **find_appinfos_by_relids(PlannerInfo *root,
Relids relids, int *nappinfos);
#endif /* APPENDINFO_H */