Split builtins.h to a new header ruleutils.h

The new header contains many prototypes for functions in ruleutils.c
that are not exposed to the SQL level.

Reviewed by Andres Freund and Michael Paquier.

src/backend/access/index/genam.c

@@ -28,6 +28,7 @@
 #include "utils/builtins.h"
 #include "utils/lsyscache.h"
 #include "utils/rel.h"
+#include "utils/ruleutils.h"
 #include "utils/snapmgr.h"
 #include "utils/tqual.h"
 

src/backend/catalog/heap.c

@@ -69,6 +69,7 @@
 #include "utils/inval.h"
 #include "utils/lsyscache.h"
 #include "utils/rel.h"
+#include "utils/ruleutils.h"
 #include "utils/snapmgr.h"
 #include "utils/syscache.h"
 #include "utils/tqual.h"

src/backend/commands/explain.c

@@ -28,6 +28,7 @@
 #include "utils/json.h"
 #include "utils/lsyscache.h"
 #include "utils/rel.h"
+#include "utils/ruleutils.h"
 #include "utils/snapmgr.h"
 #include "utils/tuplesort.h"
 #include "utils/xml.h"

src/backend/commands/tablecmds.c

@@ -85,6 +85,7 @@
 #include "utils/lsyscache.h"
 #include "utils/memutils.h"
 #include "utils/relcache.h"
+#include "utils/ruleutils.h"
 #include "utils/snapmgr.h"
 #include "utils/syscache.h"
 #include "utils/tqual.h"

src/backend/commands/typecmds.c

@@ -72,6 +72,7 @@
 #include "utils/lsyscache.h"
 #include "utils/memutils.h"
 #include "utils/rel.h"
+#include "utils/ruleutils.h"
 #include "utils/snapmgr.h"
 #include "utils/syscache.h"
 #include "utils/tqual.h"

src/backend/utils/adt/misc.c

@@ -35,6 +35,7 @@
 #include "storage/proc.h"
 #include "storage/procarray.h"
 #include "utils/lsyscache.h"
+#include "utils/ruleutils.h"
 #include "tcop/tcopprot.h"
 #include "utils/builtins.h"
 #include "utils/timestamp.h"

src/backend/utils/adt/ruleutils.c

@@ -55,6 +55,7 @@
 #include "utils/fmgroids.h"
 #include "utils/lsyscache.h"
 #include "utils/rel.h"
+#include "utils/ruleutils.h"
 #include "utils/snapmgr.h"
 #include "utils/syscache.h"
 #include "utils/tqual.h"

src/include/utils/builtins.h

@@ -676,13 +676,10 @@ extern Datum pg_get_viewdef_name(PG_FUNCTION_ARGS);
 extern Datum pg_get_viewdef_name_ext(PG_FUNCTION_ARGS);
 extern Datum pg_get_indexdef(PG_FUNCTION_ARGS);
 extern Datum pg_get_indexdef_ext(PG_FUNCTION_ARGS);
-extern char *pg_get_indexdef_string(Oid indexrelid);
-extern char *pg_get_indexdef_columns(Oid indexrelid, bool pretty);
 extern Datum pg_get_triggerdef(PG_FUNCTION_ARGS);
 extern Datum pg_get_triggerdef_ext(PG_FUNCTION_ARGS);
 extern Datum pg_get_constraintdef(PG_FUNCTION_ARGS);
 extern Datum pg_get_constraintdef_ext(PG_FUNCTION_ARGS);
-extern char *pg_get_constraintdef_string(Oid constraintId);
 extern Datum pg_get_expr(PG_FUNCTION_ARGS);
 extern Datum pg_get_expr_ext(PG_FUNCTION_ARGS);
 extern Datum pg_get_userbyid(PG_FUNCTION_ARGS);
@@ -692,17 +689,9 @@ extern Datum pg_get_function_arguments(PG_FUNCTION_ARGS);
 extern Datum pg_get_function_identity_arguments(PG_FUNCTION_ARGS);
 extern Datum pg_get_function_result(PG_FUNCTION_ARGS);
 extern Datum pg_get_function_arg_default(PG_FUNCTION_ARGS);
-extern char *deparse_expression(Node *expr, List *dpcontext,
-				   bool forceprefix, bool showimplicit);
-extern List *deparse_context_for(const char *aliasname, Oid relid);
-extern List *deparse_context_for_planstate(Node *planstate, List *ancestors,
-							  List *rtable, List *rtable_names);
-extern List *select_rtable_names_for_explain(List *rtable,
-								Bitmapset *rels_used);
 extern const char *quote_identifier(const char *ident);
 extern char *quote_qualified_identifier(const char *qualifier,
 						   const char *ident);
-extern char *generate_collation_name(Oid collid);
 
 
 /* tid.c */

src/include/utils/ruleutils.h

@@ -0,0 +1,34 @@
+/*-------------------------------------------------------------------------
+ *
+ * ruleutils.h
+ *		Declarations for ruleutils.c
+ *
+ * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/ruleutils.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef RULEUTILS_H
+#define RULEUTILS_H
+
+#include "nodes/nodes.h"
+#include "nodes/parsenodes.h"
+#include "nodes/pg_list.h"
+
+
+extern char *pg_get_indexdef_string(Oid indexrelid);
+extern char *pg_get_indexdef_columns(Oid indexrelid, bool pretty);
+
+extern char *pg_get_constraintdef_string(Oid constraintId);
+extern char *deparse_expression(Node *expr, List *dpcontext,
+				   bool forceprefix, bool showimplicit);
+extern List *deparse_context_for(const char *aliasname, Oid relid);
+extern List *deparse_context_for_planstate(Node *planstate, List *ancestors,
+							  List *rtable, List *rtable_names);
+extern List *select_rtable_names_for_explain(List *rtable,
+								Bitmapset *rels_used);
+extern char *generate_collation_name(Oid collid);
+
+#endif	/* RULEUTILS_H */