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

   1 /*-------------------------------------------------------------------------
   2  *
   3  * subselect.h
   4  *
   5  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
   6  * Portions Copyright (c) 1994, Regents of the University of California
   7  *
   8  * $PostgreSQL: pgsql/src/include/optimizer/subselect.h,v 1.30 2008/01/01 19:45:58 momjian Exp $
   9  *
  10  *-------------------------------------------------------------------------
  11  */
  12 #ifndef SUBSELECT_H
  13 #define SUBSELECT_H
  14
  15 #include "nodes/plannodes.h"
  16 #include "nodes/relation.h"
  17
  18 extern Node *convert_IN_to_join(PlannerInfo *root, SubLink *sublink);
  19 extern Node *SS_replace_correlation_vars(PlannerInfo *root, Node *expr);
  20 extern Node *SS_process_sublinks(PlannerInfo *root, Node *expr, bool isQual);
  21 extern void SS_finalize_plan(PlannerInfo *root, Plan *plan);
  22 extern Param *SS_make_initplan_from_plan(PlannerInfo *root, Plan *plan,
  23                                                    Oid resulttype, int32 resulttypmod);
  24
  25 #endif   /* SUBSELECT_H */