Add builtin functions:

pg_char_to_encoding()
pg_encoding_to_char()

src/backend/utils/init/miscinit.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.39 2000/01/13 18:26:11 petere Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.40 2000/01/18 05:10:29 ishii Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -67,12 +67,24 @@ SetDatabaseName(const char *name)
 
 #ifndef MULTIBYTE
 /* even if MULTIBYTE is not enabled, this function is neccesary
- * since pg_proc.h has an entry for it.
+ * since pg_proc.h has entries for them.
  */
 const char *
 getdatabaseencoding()
 {
-	elog(ERROR, "MultiByte strings (MB) must be enabled to use this function");
+	elog(ERROR, "MultiByte support must be enabled to use this function");
+	return ("");
+}
+
+const char *pg_encoding_to_char(int encoding)
+{
+	elog(ERROR, "MultiByte support must be enabled to use this function");
+	return ("");
+}
+
+int	pg_char_to_encoding(const char *encoding_string)
+{
+	elog(ERROR, "MultiByte support must be enabled to use this function");
 	return ("");
 }
 

src/include/catalog/catversion.h

@@ -36,7 +36,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: catversion.h,v 1.7 2000/01/14 00:53:50 tgl Exp $
+ * $Id: catversion.h,v 1.8 2000/01/18 05:08:29 ishii Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -52,6 +52,6 @@
  */
 
 /*                          yyyymmddN */
-#define CATALOG_VERSION_NO  200001131
+#define CATALOG_VERSION_NO  200001171
 
 #endif

src/include/catalog/pg_proc.h

@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pg_proc.h,v 1.113 2000/01/17 00:40:51 tgl Exp $
+ * $Id: pg_proc.h,v 1.114 2000/01/18 05:08:29 ishii Exp $
  *
  * NOTES
  *	  The script catalog/genbki.sh reads this file and generates .bki
@@ -2110,6 +2110,13 @@ DESCR("sequence set value");
 
 /* for multi-byte support */
 DATA(insert OID = 1039 (  getdatabaseencoding	   PGUID 11 f t f 0 f 19 "0" 100 0 0 100  getdatabaseencoding - ));
+DESCR("encoding name of current database");
+
+DATA(insert OID = 1295 (  pg_char_to_encoding	   PGUID 11 f t f 1 f 23 "19" 100 0 0 100  pg_char_to_encoding - ));
+DESCR("convert encoding name to encoding id");
+
+DATA(insert OID = 1597 (  pg_encoding_to_char	   PGUID 11 f t f 1 f 19 "23" 100 0 0 100  pg_encoding_to_char - ));
+DESCR("convert encoding id to encoding name");
 
 /* System-view support functions */
 DATA(insert OID = 1640 (  pg_get_ruledef	   PGUID 11 f t f 1 f 25 "19" 100 0 0 100  pg_get_ruledef - ));

src/include/mb/pg_wchar.h

-/* $Id: pg_wchar.h,v 1.12 2000/01/15 18:30:35 petere Exp $ */
+/* $Id: pg_wchar.h,v 1.13 2000/01/18 05:08:31 ishii Exp $ */
 
 #ifndef PG_WCHAR_H
 #define PG_WCHAR_H
@@ -121,8 +121,13 @@ extern int	pg_get_client_encoding(void);
 extern unsigned char *pg_client_to_server(unsigned char *, int);
 extern unsigned char *pg_server_to_client(unsigned char *, int);
 extern int	pg_valid_client_encoding(const char *);
+
+/* moved to miscadmin.h
+ * pg_proc.h now have them.
 extern const char *pg_encoding_to_char(int);
 extern int	pg_char_to_encoding(const char *);
+*/
+
 extern int	GetDatabaseEncoding(void);
 extern void SetDatabaseEncoding(int);
 extern void SetTemplateEncoding(int);

src/include/miscadmin.h

@@ -11,7 +11,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: miscadmin.h,v 1.47 2000/01/13 18:26:15 petere Exp $
+ * $Id: miscadmin.h,v 1.48 2000/01/18 05:08:29 ishii Exp $
  *
  * NOTES
  *	  some of the information in this file will be moved to
@@ -119,10 +119,12 @@ extern char *ExpandDatabasePath(const char *path);
 extern void SetDatabaseName(const char *name);
 extern void SetDatabasePath(const char *path);
 
-/* even if MB is not enabled, this function is neccesary
+/* even if MULTIBYTE is not enabled, this function is neccesary
  * since pg_proc.h does have.
  */
 extern const char *getdatabaseencoding(void);
+extern const char *pg_encoding_to_char(int);
+extern int	pg_char_to_encoding(const char *);
 
 extern char *getpgusername(void);
 extern void SetPgUserName(void);