granicus.if.org Git - postgresql/blob - src/include/optimizer/planmain.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * planmain.h
   4  *        prototypes for various files in optimizer/plan
   5  *
   6  *
   7  * Copyright (c) 1994, Regents of the University of California
   8  *
   9  * $Id: planmain.h,v 1.29 1999/07/15 15:21:22 momjian Exp $
  10  *
  11  *-------------------------------------------------------------------------
  12  */
  13 #ifndef PLANMAIN_H
  14 #define PLANMAIN_H
  15
  16 #include "nodes/plannodes.h"
  17 #include "nodes/relation.h"
  18
  19 /*
  20  * prototypes for plan/planmain.c
  21  */
  22 extern Plan *query_planner(Query *root,
  23                           int command_type, List *tlist, List *qual);
  24
  25
  26 /*
  27  * prototypes for plan/createplan.c
  28  */
  29 extern Plan *create_plan(Path *best_path);
  30 extern SeqScan *make_seqscan(List *qptlist, List *qpqual, Index scanrelid,
  31                          Plan *lefttree);
  32 extern Sort *make_sort(List *tlist, Oid nonameid, Plan *lefttree,
  33                   int keycount);
  34 extern Agg *make_agg(List *tlist, Plan *lefttree);
  35 extern Group *make_group(List *tlist, bool tuplePerGroup, int ngrp,
  36                    AttrNumber *grpColIdx, Sort *lefttree);
  37 extern Unique *make_unique(List *tlist, Plan *lefttree, char *uniqueAttr);
  38
  39 /*
  40  * prototypes for plan/initsplan.c
  41  */
  42 extern void make_var_only_tlist(Query *root, List *tlist);
  43 extern void add_restrict_and_join_to_rels(Query *root, List *clauses);
  44 extern void set_joininfo_mergeable_hashable(List *rel_list);
  45 extern void add_missing_vars_to_tlist(Query *root, List *tlist);
  46
  47 /*
  48  * prototypes for plan/setrefs.c
  49  */
  50 extern void set_tlist_references(Plan *plan);
  51 extern List *join_references(List *clauses, List *outer_tlist,
  52                                 List *inner_tlist);
  53 extern List *index_outerjoin_references(List *inner_indxqual,
  54                                                    List *outer_tlist, Index inner_relid);
  55 extern void replace_tlist_with_subplan_refs(List *tlist,
  56                                                                 Index subvarno,
  57                                                                 List *subplanTargetList);
  58 extern bool set_agg_tlist_references(Agg *aggNode);
  59 extern void check_having_for_ungrouped_vars(Node *clause,
  60                                                                 List *groupClause,
  61                                                                 List *targetList);
  62 extern void transformKeySetQuery(Query *origNode);
  63
  64 #endif   /* PLANMAIN_H */