1 files changed, 0 insertions, 84 deletions
diff --git a/src/backend/optimizer/xfunc.h b/src/backend/optimizer/xfunc.h
deleted file mode 100644
index a3ee1b99cc2..00000000000
--- a/src/backend/optimizer/xfunc.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * xfunc.h--
- *    prototypes for xfunc.c and predmig.c.
- *
- *
- * Copyright (c) 1994, Regents of the University of California
- *
- * $Id: xfunc.h,v 1.1.1.1 1996/07/09 06:21:35 scrappy Exp $
- *
- *-------------------------------------------------------------------------
- */
-#ifndef XFUNC_H
-#define XFUNC_H
-
-#include "nodes/relation.h"
-
-/* command line arg flags */
-#define XFUNC_OFF -1		/* do no optimization of expensive preds */
-#define XFUNC_NOR 2		/* do no optimization of OR clauses */
-#define XFUNC_NOPULL 4		/* never pull restrictions above joins */
-#define XFUNC_NOPM 8		/* don't do predicate migration */
-#define XFUNC_WAIT 16		/* don't do pullup until predicate migration */
-#define XFUNC_PULLALL 32	/* pull all expensive restrictions up, always */
-
-/* constants for local and join predicates */
-#define XFUNC_LOCPRD 1
-#define XFUNC_JOINPRD 2
-#define XFUNC_UNKNOWN 0
-
-extern int XfuncMode;  /* defined in tcop/postgres.c */
-
-/* defaults for function attributes used for expensive function calculations */
-#define BYTE_PCT 100
-#define PERBYTE_CPU 0
-#define PERCALL_CPU 0
-#define OUTIN_RATIO 100
-
-/* default width assumed for variable length attributes */
-#define VARLEN_DEFAULT 128;
-
-/* Macro to get group rank out of group cost and group sel */
-#define get_grouprank(a) ((get_groupsel(a) - 1) / get_groupcost(a))
-
-/* Macro to see if a path node is actually a Join */
-#define is_join(pathnode) (length(get_relids(get_parent(pathnode))) > 1 ? 1 : 0)
-
-/* function prototypes from planner/path/xfunc.c */
-extern void xfunc_trypullup(Rel *rel);
-extern int xfunc_shouldpull(Path *childpath, JoinPath *parentpath,
-			    int whichchild, CInfo *maxcinfopt);
-extern CInfo *xfunc_pullup(Path *childpath, JoinPath *parentpath, CInfo *cinfo,
-			  int whichchild, int clausetype);
-extern Cost xfunc_rank(Expr *clause);
-extern Cost xfunc_expense(Query* queryInfo, Expr *clause);
-extern Cost xfunc_join_expense(JoinPath *path, int whichchild);
-extern Cost xfunc_local_expense(Expr *clause);
-extern Cost xfunc_func_expense(Expr *node, List *args);
-extern int xfunc_width(Expr *clause);
-/* static, moved to xfunc.c */
-/* extern int xfunc_card_unreferenced(Expr *clause, Relid referenced); */
-extern int xfunc_card_product(Relid relids);
-extern List *xfunc_find_references(List *clause);
-extern List *xfunc_primary_join(JoinPath *pathnode);
-extern Cost xfunc_get_path_cost(Path *pathnode);
-extern Cost xfunc_total_path_cost(JoinPath *pathnode);
-extern Cost xfunc_expense_per_tuple(JoinPath *joinnode, int whichchild);
-extern void xfunc_fixvars(Expr *clause, Rel *rel, int varno);
-extern int xfunc_cinfo_compare(void *arg1, void *arg2);
-extern int xfunc_clause_compare(void *arg1, void *arg2);
-extern void xfunc_disjunct_sort(List *clause_list);
-extern int xfunc_disjunct_compare(void *arg1, void *arg2);
-extern int xfunc_func_width(RegProcedure funcid, List *args);
-extern int xfunc_tuple_width(Relation rd);
-extern int xfunc_num_join_clauses(JoinPath *path);
-extern List *xfunc_LispRemove(List *foo, List *bar);
-extern bool xfunc_copyrel(Rel *from, Rel **to);
-
-/*
- * function prototypes for path/predmig.c
- */
-extern bool xfunc_do_predmig(Path root);
-
-#endif	/* XFUNC_H */