Mark functions as static and ifdef NOT_USED as appropriate.

src/backend/optimizer/path/clausesel.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.37 2000/05/31 15:38:53 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/path/clausesel.c,v 1.38 2000/06/08 22:37:09 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -40,6 +40,9 @@ typedef struct RangeQueryClause
 
 static void addRangeClause(RangeQueryClause **rqlist, Node *clause,
 			   int flag, bool isLTsel, Selectivity s2);
+static Selectivity clause_selectivity(Query *root,
+				   Node *clause,
+				   int varRelid);
 
 
 /****************************************************************************
@@ -357,7 +360,7 @@ addRangeClause(RangeQueryClause **rqlist, Node *clause,
  * When varRelid is 0, all variables are treated as variables.	This
  * is appropriate for ordinary join clauses and restriction clauses.
  */
-Selectivity
+static Selectivity
 clause_selectivity(Query *root,
 				   Node *clause,
 				   int varRelid)

src/backend/optimizer/plan/createplan.c

@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.90 2000/05/23 16:56:36 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/plan/createplan.c,v 1.91 2000/06/08 22:37:11 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -74,6 +74,7 @@ static Material *make_material(List *tlist, Oid nonameid, Plan *lefttree,
 			  int keycount);
 static void copy_path_costsize(Plan *dest, Path *src);
 static void copy_plan_costsize(Plan *dest, Plan *src);
+static SeqScan *make_seqscan(List *qptlist, List *qpqual, Index scanrelid);
 
 /*
  * create_plan
@@ -1119,7 +1120,7 @@ make_noname(List *tlist,
 }
 
 
-SeqScan    *
+static SeqScan    *
 make_seqscan(List *qptlist,
 			 List *qpqual,
 			 Index scanrelid)

src/backend/optimizer/prep/prepqual.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepqual.c,v 1.25 2000/04/14 00:19:17 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/prep/prepqual.c,v 1.26 2000/06/08 22:37:14 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -223,6 +223,7 @@ cnfify(Expr *qual, bool removeAndFlag)
 	return (List *) newqual;
 }
 
+#ifdef NOT_USED
 /*
  * dnfify
  *	  Convert a qualification to disjunctive normal form by applying
@@ -233,7 +234,7 @@ cnfify(Expr *qual, bool removeAndFlag)
  * We do not offer a 'removeOrFlag' in this case; the usages are
  * different.
  */
-Expr *
+static Expr *
 dnfify(Expr *qual)
 {
 	Expr	   *newqual;
@@ -259,6 +260,7 @@ dnfify(Expr *qual)
 
 	return newqual;
 }
+#endif
 
 /*--------------------
  * The parser regards AND and OR as purely binary operators, so a qual like

src/backend/optimizer/util/joininfo.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/joininfo.c,v 1.26 2000/02/06 03:27:33 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/joininfo.c,v 1.27 2000/06/08 22:37:16 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -17,6 +17,7 @@
 
 #include "optimizer/joininfo.h"
 
+static JoinInfo *joininfo_member(List *join_relids, List *joininfo_list);
 
 /*
  * joininfo_member
@@ -32,7 +33,7 @@
  * exists.
  *
  */
-JoinInfo   *
+static JoinInfo   *
 joininfo_member(List *join_relids, List *joininfo_list)
 {
 	List	   *i;

src/backend/optimizer/util/tlist.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.45 2000/05/30 00:49:49 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.46 2000/06/08 22:37:16 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -18,6 +18,8 @@
 #include "optimizer/tlist.h"
 #include "optimizer/var.h"
 
+static TargetEntry *tlistentry_member(Node *node, List *targetlist);
+
 /*****************************************************************************
  *	---------- RELATION node target list routines ----------
  *****************************************************************************/
@@ -27,7 +29,7 @@
  *	  Finds the (first) member of the given tlist whose expression is
  *	  equal() to the given expression.	Result is NULL if no such member.
  */
-TargetEntry *
+static TargetEntry *
 tlistentry_member(Node *node, List *targetlist)
 {
 	List	   *temp;
@@ -42,6 +44,7 @@ tlistentry_member(Node *node, List *targetlist)
 	return NULL;
 }
 
+#ifdef NOT_USED
 /*
  * matching_tlist_expr
  *	  Same as tlistentry_member(), except returns the tlist expression
@@ -58,6 +61,7 @@ matching_tlist_expr(Node *node, List *targetlist)
 
 	return (Node *) NULL;
 }
+#endif
 
 /*
  * tlist_member