1 files changed, 0 insertions, 134 deletions
diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h
deleted file mode 100644
index 4222c77ad97..00000000000
--- a/src/include/optimizer/paths.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * paths.h
- *	  prototypes for various files in optimizer/path (were separate
- *	  header files)
- *
- *
- * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * $Id: paths.h,v 1.60 2002/06/20 20:29:51 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
-#ifndef PATHS_H
-#define PATHS_H
-
-#include "nodes/relation.h"
-
-/* default GEQO threshold (default value for geqo_rels) */
-/* If you change this, update backend/utils/misc/postgresql.sample.conf */
-#define DEFAULT_GEQO_RELS 11
-
-
-/*
- * allpaths.c
- */
-extern bool enable_geqo;
-extern int	geqo_rels;
-
-extern RelOptInfo *make_one_rel(Query *root);
-extern RelOptInfo *make_fromexpr_rel(Query *root, FromExpr *from);
-
-#ifdef OPTIMIZER_DEBUG
-extern void debug_print_rel(Query *root, RelOptInfo *rel);
-#endif
-
-/*
- * indxpath.c
- *	  routines to generate index paths
- */
-extern void create_index_paths(Query *root, RelOptInfo *rel);
-extern Oid indexable_operator(Expr *clause, Oid opclass,
-				   bool indexkey_on_left);
-extern List *extract_or_indexqual_conditions(RelOptInfo *rel,
-								IndexOptInfo *index,
-								Expr *orsubclause);
-extern List *expand_indexqual_conditions(List *indexquals);
-
-/*
- * orindxpath.c
- *	  additional routines for indexable OR clauses
- */
-extern void create_or_index_paths(Query *root, RelOptInfo *rel);
-
-/*
- * tidpath.h
- *	  routines to generate tid paths
- */
-extern void create_tidscan_paths(Query *root, RelOptInfo *rel);
-
-/*
- * joinpath.c
- *	   routines to create join paths
- */
-extern void add_paths_to_joinrel(Query *root, RelOptInfo *joinrel,
-					 RelOptInfo *outerrel,
-					 RelOptInfo *innerrel,
-					 JoinType jointype,
-					 List *restrictlist);
-
-/*
- * joinrels.c
- *	  routines to determine which relations to join
- */
-extern List *make_rels_by_joins(Query *root, int level, List **joinrels);
-extern List *make_rels_by_clause_joins(Query *root,
-						  RelOptInfo *old_rel,
-						  List *other_rels);
-extern List *make_rels_by_clauseless_joins(Query *root,
-							  RelOptInfo *old_rel,
-							  List *other_rels);
-extern RelOptInfo *make_jointree_rel(Query *root, Node *jtnode);
-
-/*
- * pathkeys.c
- *	  utilities for matching and building path keys
- */
-typedef enum
-{
-	PATHKEYS_EQUAL,				/* pathkeys are identical */
-	PATHKEYS_BETTER1,			/* pathkey 1 is a superset of pathkey 2 */
-	PATHKEYS_BETTER2,			/* vice versa */
-	PATHKEYS_DIFFERENT			/* neither pathkey includes the other */
-} PathKeysComparison;
-
-extern void add_equijoined_keys(Query *root, RestrictInfo *restrictinfo);
-extern void generate_implied_equalities(Query *root);
-extern List *canonicalize_pathkeys(Query *root, List *pathkeys);
-extern PathKeysComparison compare_pathkeys(List *keys1, List *keys2);
-extern bool pathkeys_contained_in(List *keys1, List *keys2);
-extern PathKeysComparison compare_noncanonical_pathkeys(List *keys1,
-							  List *keys2);
-extern bool noncanonical_pathkeys_contained_in(List *keys1, List *keys2);
-extern Path *get_cheapest_path_for_pathkeys(List *paths, List *pathkeys,
-							   CostSelector cost_criterion);
-extern Path *get_cheapest_fractional_path_for_pathkeys(List *paths,
-										  List *pathkeys,
-										  double fraction);
-extern List *build_index_pathkeys(Query *root, RelOptInfo *rel,
-					 IndexOptInfo *index,
-					 ScanDirection scandir);
-extern List *build_join_pathkeys(Query *root,
-					RelOptInfo *joinrel,
-					List *outer_pathkeys);
-extern List *make_pathkeys_for_sortclauses(List *sortclauses,
-							  List *tlist);
-extern void cache_mergeclause_pathkeys(Query *root,
-						   RestrictInfo *restrictinfo);
-extern List *find_mergeclauses_for_pathkeys(Query *root,
-							   List *pathkeys,
-							   List *restrictinfos);
-extern List *make_pathkeys_for_mergeclauses(Query *root,
-							   List *mergeclauses,
-							   RelOptInfo *rel);
-extern int pathkeys_useful_for_merging(Query *root,
-							RelOptInfo *rel,
-							List *pathkeys);
-extern int	pathkeys_useful_for_ordering(Query *root, List *pathkeys);
-extern List *truncate_useless_pathkeys(Query *root,
-						  RelOptInfo *rel,
-						  List *pathkeys);
-
-#endif   /* PATHS_H */