init

pg_include/optimizer/plancat.h

@@ -0,0 +1,56 @@
+/*-------------------------------------------------------------------------
+ *
+ * plancat.h
+ *	  prototypes for plancat.c.
+ *
+ *
+ * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/optimizer/plancat.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PLANCAT_H
+#define PLANCAT_H
+
+#include "nodes/relation.h"
+#include "utils/relcache.h"
+
+/* Hook for plugins to get control in get_relation_info() */
+typedef void (*get_relation_info_hook_type) (PlannerInfo *root,
+														 Oid relationObjectId,
+														 bool inhparent,
+														 RelOptInfo *rel);
+extern PGDLLIMPORT get_relation_info_hook_type get_relation_info_hook;
+
+
+extern void get_relation_info(PlannerInfo *root, Oid relationObjectId,
+				  bool inhparent, RelOptInfo *rel);
+
+extern void estimate_rel_size(Relation rel, int32 *attr_widths,
+				  BlockNumber *pages, double *tuples, double *allvisfrac);
+
+extern int32 get_relation_data_width(Oid relid, int32 *attr_widths);
+
+extern bool relation_excluded_by_constraints(PlannerInfo *root,
+								 RelOptInfo *rel, RangeTblEntry *rte);
+
+extern List *build_physical_tlist(PlannerInfo *root, RelOptInfo *rel);
+
+extern bool has_unique_index(RelOptInfo *rel, AttrNumber attno);
+
+extern Selectivity restriction_selectivity(PlannerInfo *root,
+						Oid operatorid,
+						List *args,
+						Oid inputcollid,
+						int varRelid);
+
+extern Selectivity join_selectivity(PlannerInfo *root,
+				 Oid operatorid,
+				 List *args,
+				 Oid inputcollid,
+				 JoinType jointype,
+				 SpecialJoinInfo *sjinfo);
+
+#endif   /* PLANCAT_H */