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 1.14 1998/08/10 02:26:40 momjian Exp $
  10  *
  11  *-------------------------------------------------------------------------
  12  */
  13 #ifndef PLANMAIN_H
  14 #define PLANMAIN_H
  15
  16 #include "nodes/nodes.h"
  17 #include "nodes/plannodes.h"
  18 #include "nodes/parsenodes.h"
  19 #include "nodes/relation.h"
  20
  21 /*
  22  * prototypes for plan/planmain.c
  23  */
  24 extern Plan *
  25 query_planner(Query *root,
  26                           int command_type, List *tlist, List *qual);
  27
  28
  29 /*
  30  * prototypes for plan/createplan.c
  31  */
  32 extern Plan *create_plan(Path *best_path);
  33 extern SeqScan *
  34 make_seqscan(List *qptlist, List *qpqual, Index scanrelid,
  35                          Plan *lefttree);
  36 extern Sort *
  37 make_sort(List *tlist, Oid tempid, Plan *lefttree,
  38                   int keycount);
  39 extern Agg *make_agg(List *tlist, Plan *lefttree);
  40 extern Group *
  41 make_group(List *tlist, bool tuplePerGroup, int ngrp,
  42                    AttrNumber *grpColIdx, Sort *lefttree);
  43 extern Unique *make_unique(List *tlist, Plan *lefttree, char *uniqueAttr);
  44
  45 /*
  46  * prototypes for plan/initsplan.c
  47  */
  48 extern void init_base_rels_tlist(Query *root, List *tlist);
  49 extern void init_base_rels_qual(Query *root, List *clauses);
  50 extern void init_join_info(List *rel_list);
  51 extern void add_missing_vars_to_tlist(Query *root, List *tlist);
  52
  53 /*
  54  * prototypes for plan/setrefs.c
  55  */
  56 extern void set_tlist_references(Plan *plan);
  57 extern List *
  58 join_references(List *clauses, List *outer_tlist,
  59                                 List *inner_tlist);
  60 extern List *
  61 index_outerjoin_references(List *inner_indxqual,
  62                                                    List *outer_tlist, Index inner_relid);
  63 extern void set_result_tlist_references(Result *resultNode);
  64 extern List *set_agg_tlist_references(Agg *aggNode);
  65 extern void set_agg_agglist_references(Agg *aggNode);
  66 extern void del_agg_tlist_references(List *tlist);
  67 extern List *check_having_qual_for_aggs(Node *clause,
  68                                         List *subplanTargetList, List *groupClause);
  69 extern List *check_having_qual_for_vars(Node *clause, List *targetlist_so_far);
  70
  71 #endif                                                  /* PLANMAIN_H */