src/include/optimizer/appendinfo.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * appendinfo.h
   4  *        Routines for mapping expressions between append rel parent(s) and
   5  *        children
   6  *
   7  * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/optimizer/appendinfo.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef APPENDINFO_H
  15 #define APPENDINFO_H
  16
  17 #include "nodes/pathnodes.h"
  18 #include "utils/relcache.h"
  19
  20 extern AppendRelInfo *make_append_rel_info(Relation parentrel,
  21                                                                                    Relation childrel,
  22                                                                                    Index parentRTindex, Index childRTindex);
  23 extern Node *adjust_appendrel_attrs(PlannerInfo *root, Node *node,
  24                                                                         int nappinfos, AppendRelInfo **appinfos);
  25 extern Node *adjust_appendrel_attrs_multilevel(PlannerInfo *root, Node *node,
  26                                                                                            Relids child_relids,
  27                                                                                            Relids top_parent_relids);
  28 extern Relids adjust_child_relids(Relids relids, int nappinfos,
  29                                                                   AppendRelInfo **appinfos);
  30 extern Relids adjust_child_relids_multilevel(PlannerInfo *root, Relids relids,
  31                                                                                          Relids child_relids,
  32                                                                                          Relids top_parent_relids);
  33 extern List *adjust_inherited_attnums(List *attnums, AppendRelInfo *context);
  34 extern List *adjust_inherited_attnums_multilevel(PlannerInfo *root,
  35                                                                                                  List *attnums,
  36                                                                                                  Index child_relid,
  37                                                                                                  Index top_parent_relid);
  38 extern void get_translated_update_targetlist(PlannerInfo *root, Index relid,
  39                                                                                          List **processed_tlist,
  40                                                                                          List **update_colnos);
  41 extern AppendRelInfo **find_appinfos_by_relids(PlannerInfo *root,
  42                                                                                            Relids relids, int *nappinfos);
  43 extern void add_row_identity_var(PlannerInfo *root, Var *rowid_var,
  44                                                                  Index rtindex, const char *rowid_name);
  45 extern void add_row_identity_columns(PlannerInfo *root, Index rtindex,
  46                                                                          RangeTblEntry *target_rte,
  47                                                                          Relation target_relation);
  48 extern void distribute_row_identity_vars(PlannerInfo *root);
  49
  50 #endif                                                  /* APPENDINFO_H */