src/include/optimizer/prep.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * prep.h
   4  *        prototypes for files in optimizer/prep/
   5  *
   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/prep.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef PREP_H
  15 #define PREP_H
  16
  17 #include "nodes/pathnodes.h"
  18 #include "nodes/plannodes.h"
  19
  20
  21 /*
  22  * prototypes for prepjointree.c
  23  */
  24 extern void replace_empty_jointree(Query *parse);
  25 extern void pull_up_sublinks(PlannerInfo *root);
  26 extern void preprocess_function_rtes(PlannerInfo *root);
  27 extern void pull_up_subqueries(PlannerInfo *root);
  28 extern void flatten_simple_union_all(PlannerInfo *root);
  29 extern void reduce_outer_joins(PlannerInfo *root);
  30 extern void remove_useless_result_rtes(PlannerInfo *root);
  31 extern Relids get_relids_in_jointree(Node *jtnode, bool include_joins);
  32 extern Relids get_relids_for_join(Query *query, int joinrelid);
  33
  34 /*
  35  * prototypes for preptlist.c
  36  */
  37 extern void preprocess_targetlist(PlannerInfo *root);
  38
  39 extern List *extract_update_targetlist_colnos(List *tlist);
  40
  41 extern PlanRowMark *get_plan_rowmark(List *rowmarks, Index rtindex);
  42
  43 /*
  44  * prototypes for prepagg.c
  45  */
  46 extern void get_agg_clause_costs(PlannerInfo *root, AggSplit aggsplit,
  47                                                                  AggClauseCosts *agg_costs);
  48 extern void preprocess_aggrefs(PlannerInfo *root, Node *clause);
  49
  50 /*
  51  * prototypes for prepunion.c
  52  */
  53 extern RelOptInfo *plan_set_operations(PlannerInfo *root);
  54
  55
  56 #endif                                                  /* PREP_H */