src/include/optimizer/subselect.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * subselect.h
   4  *
   5  * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
   6  * Portions Copyright (c) 1994, Regents of the University of California
   7  *
   8  * $PostgreSQL$
   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 void SS_process_ctes(PlannerInfo *root);
  19 extern JoinExpr *convert_ANY_sublink_to_join(PlannerInfo *root,
  20                                                         SubLink *sublink,
  21                                                         Relids available_rels);
  22 extern JoinExpr *convert_EXISTS_sublink_to_join(PlannerInfo *root,
  23                                                            SubLink *sublink,
  24                                                            bool under_not,
  25                                                            Relids available_rels);
  26 extern Node *SS_replace_correlation_vars(PlannerInfo *root, Node *expr);
  27 extern Node *SS_process_sublinks(PlannerInfo *root, Node *expr, bool isQual);
  28 extern void SS_finalize_plan(PlannerInfo *root, Plan *plan,
  29                                  bool attach_initplans);
  30 extern Param *SS_make_initplan_from_plan(PlannerInfo *root, Plan *plan,
  31                                                    Oid resulttype, int32 resulttypmod);
  32 extern int      SS_assign_worktable_param(PlannerInfo *root);
  33
  34 #endif   /* SUBSELECT_H */