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Current File : /proc/thread-self/root/proc/thread-self/root/usr/pgsql-17/include/server/optimizer/appendinfo.h
/*-------------------------------------------------------------------------
 *
 * appendinfo.h
 *	  Routines for mapping expressions between append rel parent(s) and
 *	  children
 *
 * Portions Copyright (c) 1996-2024, 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,
											   RelOptInfo *childrel,
											   RelOptInfo *parentrel);
extern Relids adjust_child_relids(Relids relids, int nappinfos,
								  AppendRelInfo **appinfos);
extern Relids adjust_child_relids_multilevel(PlannerInfo *root, Relids relids,
											 RelOptInfo *childrel,
											 RelOptInfo *parentrel);
extern List *adjust_inherited_attnums(List *attnums, AppendRelInfo *context);
extern List *adjust_inherited_attnums_multilevel(PlannerInfo *root,
												 List *attnums,
												 Index child_relid,
												 Index top_parent_relid);
extern void get_translated_update_targetlist(PlannerInfo *root, Index relid,
											 List **processed_tlist,
											 List **update_colnos);
extern AppendRelInfo **find_appinfos_by_relids(PlannerInfo *root,
											   Relids relids, int *nappinfos);
extern void add_row_identity_var(PlannerInfo *root, Var *orig_var,
								 Index rtindex, const char *rowid_name);
extern void add_row_identity_columns(PlannerInfo *root, Index rtindex,
									 RangeTblEntry *target_rte,
									 Relation target_relation);
extern void distribute_row_identity_vars(PlannerInfo *root);

#endif							/* APPENDINFO_H */

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