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pg_include/optimizer/planner.h

@@ -0,0 +1,47 @@
+/*-------------------------------------------------------------------------
+ *
+ * planner.h
+ *	  prototypes for planner.c.
+ *
+ *
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/optimizer/planner.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PLANNER_H
+#define PLANNER_H
+
+#include "nodes/plannodes.h"
+#include "nodes/relation.h"
+
+
+/* Hook for plugins to get control in planner() */
+typedef PlannedStmt *(*planner_hook_type) (Query *parse,
+													   int cursorOptions,
+												  ParamListInfo boundParams);
+extern PGDLLIMPORT planner_hook_type planner_hook;
+
+
+extern PlannedStmt *planner(Query *parse, int cursorOptions,
+		ParamListInfo boundParams);
+extern PlannedStmt *standard_planner(Query *parse, int cursorOptions,
+				 ParamListInfo boundParams);
+
+extern Plan *subquery_planner(PlannerGlobal *glob, Query *parse,
+				 PlannerInfo *parent_root,
+				 bool hasRecursion, double tuple_fraction,
+				 PlannerInfo **subroot);
+
+extern void add_tlist_costs_to_plan(PlannerInfo *root, Plan *plan,
+									List *tlist);
+
+extern bool is_dummy_plan(Plan *plan);
+
+extern Expr *expression_planner(Expr *expr);
+
+extern bool plan_cluster_use_sort(Oid tableOid, Oid indexOid);
+
+#endif   /* PLANNER_H */