1 files changed, 77 insertions, 0 deletions
diff --git a/src/include/optimizer/plancat.h b/src/include/optimizer/plancat.h
new file mode 100644
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--- /dev/null
+++ b/src/include/optimizer/plancat.h
@@ -0,0 +1,77 @@
+/*-------------------------------------------------------------------------
+ *
+ * plancat.h
+ *	  prototypes for plancat.c.
+ *
+ *
+ * Portions Copyright (c) 1996-2020, 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/pathnodes.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 List *infer_arbiter_indexes(PlannerInfo *root);
+
+extern void estimate_rel_size(Relation rel, int32 *attr_widths,
+							  BlockNumber *pages, double *tuples, double *allvisfrac);
+
+extern int32 get_rel_data_width(Relation rel, int32 *attr_widths);
+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);
+
+extern Selectivity function_selectivity(PlannerInfo *root,
+										Oid funcid,
+										List *args,
+										Oid inputcollid,
+										bool is_join,
+										int varRelid,
+										JoinType jointype,
+										SpecialJoinInfo *sjinfo);
+
+extern void add_function_cost(PlannerInfo *root, Oid funcid, Node *node,
+							  QualCost *cost);
+
+extern double get_function_rows(PlannerInfo *root, Oid funcid, Node *node);
+
+extern bool has_row_triggers(PlannerInfo *root, Index rti, CmdType event);
+
+extern bool has_stored_generated_columns(PlannerInfo *root, Index rti);
+
+#endif							/* PLANCAT_H */