src/include/optimizer/plancat.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * plancat.h
   4  *        prototypes for plancat.c.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2000, PostgreSQL, Inc
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * $Id: plancat.h,v 1.17 2000/01/26 05:58:20 momjian Exp $
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef PLANCAT_H
  15 #define PLANCAT_H
  16
  17 #include "nodes/relation.h"
  18
  19
  20 extern void relation_info(Query *root, Index relid,
  21                                                   bool *hasindex, long *pages, double *tuples);
  22
  23 extern List *find_secondary_indexes(Query *root, Index relid);
  24
  25 extern List *find_inheritance_children(Oid inhparent);
  26
  27 extern Selectivity restriction_selectivity(Oid functionObjectId,
  28                                                 Oid operatorObjectId,
  29                                                 Oid relationObjectId,
  30                                                 AttrNumber attributeNumber,
  31                                                 Datum constValue,
  32                                                 int constFlag);
  33
  34 extern Selectivity join_selectivity(Oid functionObjectId, Oid operatorObjectId,
  35                                  Oid relationObjectId1, AttrNumber attributeNumber1,
  36                                  Oid relationObjectId2, AttrNumber attributeNumber2);
  37
  38 #endif   /* PLANCAT_H */