src/include/optimizer/plancat.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * plancat.h
   4  *        prototypes for plancat.c.
   5  *
   6  *
   7  * Copyright (c) 1994, Regents of the University of California
   8  *
   9  * $Id: plancat.h,v 1.14 1999/11/21 23:25:42 tgl Exp $
  10  *
  11  *-------------------------------------------------------------------------
  12  */
  13 #ifndef PLANCAT_H
  14 #define PLANCAT_H
  15
  16 #include "nodes/parsenodes.h"
  17
  18
  19 extern void relation_info(Query *root, Index relid,
  20                                                   bool *hasindex, int *pages, int *tuples);
  21
  22 extern List *find_secondary_indexes(Query *root, Index relid);
  23
  24 extern Cost restriction_selectivity(Oid functionObjectId,
  25                                                 Oid operatorObjectId,
  26                                                 Oid relationObjectId,
  27                                                 AttrNumber attributeNumber,
  28                                                 Datum constValue,
  29                                                 int constFlag);
  30
  31 extern void index_selectivity(Query *root, int relid, Oid indexid,
  32                                                           List *indexquals,
  33                                                           float *idxPages, float *idxSelec);
  34
  35 extern Cost join_selectivity(Oid functionObjectId, Oid operatorObjectId,
  36                                  Oid relationObjectId1, AttrNumber attributeNumber1,
  37                                  Oid relationObjectId2, AttrNumber attributeNumber2);
  38
  39 extern List *find_inheritance_children(Oid inhparent);
  40
  41 #endif   /* PLANCAT_H */