1 files changed, 50 insertions, 0 deletions
diff --git a/src/backend/optimizer/pathnode.h b/src/backend/optimizer/pathnode.h
new file mode 100644
index 00000000000..0617600d4eb
--- /dev/null
+++ b/src/backend/optimizer/pathnode.h
@@ -0,0 +1,50 @@
+/*-------------------------------------------------------------------------
+ *
+ * pathnode.h--
+ *    prototypes for pathnode.c, indexnode.c, relnode.c.
+ *
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: pathnode.h,v 1.1.1.1 1996/07/09 06:21:34 scrappy Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PATHNODE_H
+#define PATHNODE_H
+
+/*
+ * prototypes for pathnode.c
+ */
+extern bool path_is_cheaper(Path *path1, Path *path2);
+extern Path *set_cheapest(Rel *parent_rel, List *pathlist);
+extern List *add_pathlist(Rel *parent_rel, List *unique_paths,
+			      List *new_paths);
+extern Path *create_seqscan_path(Rel *rel);
+extern IndexPath *create_index_path(Query *root, Rel *rel, Rel *index,
+			 List *restriction_clauses, bool is_join_scan);
+extern JoinPath *create_nestloop_path(Rel *joinrel, Rel *outer_rel,
+			 Path *outer_path, Path *inner_path, List *keys);
+extern MergePath *create_mergesort_path(Rel *joinrel, int outersize,
+     int innersize, int outerwidth, int innerwidth, Path *outer_path,
+     Path *inner_path, List *keys, MergeOrder *order,
+     List *mergeclauses, List *outersortkeys, List *innersortkeys);
+
+extern HashPath *create_hashjoin_path(Rel *joinrel, int outersize,
+     int innersize, int outerwidth, int innerwidth, Path *outer_path,
+     Path *inner_path, List *keys, Oid operator, List *hashclauses,
+     List *outerkeys, List *innerkeys);
+
+/*
+ * prototypes for rel.c
+ */
+extern Rel *rel_member(List *relid, List *rels);
+extern Rel *get_base_rel(Query* root, int relid);
+extern Rel *get_join_rel(Query* root, List *relid);
+
+/*
+ * prototypes for indexnode.h
+ */
+extern List *find_relation_indices(Query *root,Rel *rel);
+
+#endif	/* PATHNODE_H */