src/include/optimizer/plancat.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * plancat.h
   4  *        prototypes for plancat.c.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $PostgreSQL: pgsql/src/include/optimizer/plancat.h,v 1.36 2005/06/05 22:32:58 tgl Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef PLANCAT_H
  15 #define PLANCAT_H
  16
  17 #include "nodes/relation.h"
  18
  19
  20 extern void get_relation_info(Oid relationObjectId, RelOptInfo *rel);
  21
  22 extern List *build_physical_tlist(PlannerInfo *root, RelOptInfo *rel);
  23
  24 extern List *find_inheritance_children(Oid inhparent);
  25
  26 extern bool has_subclass(Oid relationId);
  27
  28 extern bool has_unique_index(RelOptInfo *rel, AttrNumber attno);
  29
  30 extern Selectivity restriction_selectivity(PlannerInfo *root,
  31                                                 Oid operator,
  32                                                 List *args,
  33                                                 int varRelid);
  34
  35 extern Selectivity join_selectivity(PlannerInfo *root,
  36                                  Oid operator,
  37                                  List *args,
  38                                  JoinType jointype);
  39
  40 #endif   /* PLANCAT_H */