*
* subselect.h
*
+ * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * $PostgreSQL: pgsql/src/include/optimizer/subselect.h,v 1.32 2008/08/14 18:48:00 tgl Exp $
+ *
*-------------------------------------------------------------------------
*/
#ifndef SUBSELECT_H
#define SUBSELECT_H
#include "nodes/plannodes.h"
+#include "nodes/relation.h"
-extern Index PlannerQueryLevel; /* level of current query */
-extern List *PlannerInitPlan; /* init subplans for current query */
-extern List *PlannerParamVar; /* to get Var from Param->paramid */
-extern int PlannerPlanId; /* to assign unique ID to subquery plans */
-
-extern List *SS_finalize_plan(Plan *plan, List *rtable);
-extern Node *SS_replace_correlation_vars(Node *expr);
-extern Node *SS_process_sublinks(Node *expr);
+extern Node *convert_ANY_sublink_to_join(PlannerInfo *root, SubLink *sublink);
+extern Node *convert_EXISTS_sublink_to_join(PlannerInfo *root,
+ SubLink *sublink, bool under_not);
+extern Node *SS_replace_correlation_vars(PlannerInfo *root, Node *expr);
+extern Node *SS_process_sublinks(PlannerInfo *root, Node *expr, bool isQual);
+extern void SS_finalize_plan(PlannerInfo *root, Plan *plan,
+ bool attach_initplans);
+extern Param *SS_make_initplan_from_plan(PlannerInfo *root, Plan *plan,
+ Oid resulttype, int32 resulttypmod);
#endif /* SUBSELECT_H */