appendinfo.h

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/*-------------------------------------------------------------------------
 *
 * appendinfo.h
 *    Routines for mapping expressions between append rel parent(s) and
 *    children
 *
 * Portions Copyright (c) 1996-2025, 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 */