Default to symbolic tuple parsing in sql.

* auth/sql.c (decode_tuple): Use new tuple parsing mode, unless
`positional' is set to true.
* include/mailutils/sql.h (struct mu_sql_module_config)
(struct mu_internal_sql_config): New member `positional'.
* libcfg/sql.c (mu_sql_param): New statement `positional'.

 2008-10-19  Sergey Poznyakoff  <gray@gnu.org.ua>
 
+	* auth/sql.c (decode_tuple): Use new tuple parsing mode, unless
+	`positional' is set to true.
+	* include/mailutils/sql.h (struct mu_sql_module_config)
+	(struct mu_internal_sql_config): New member `positional'.
+	* libcfg/sql.c (mu_sql_param): New statement `positional'.
+
 	* auth/virtual.c (getpwnam_virtual): Close file.
 	* doc/texinfo/programs.texi: Document virtmode.
 	* testsuite/Makefile.am (EXTRA_DIST): Remove

@@ -301,7 +301,7 @@ static int
 decode_tuple (mu_sql_connection_t conn, int n,
 	      struct mu_auth_data **return_data)
 {
-  if (mu_sql_module_config.field_map)
+  if (mu_sql_module_config.field_map || !mu_sql_module_config.positional)
     return decode_tuple_new (conn, n, return_data);
   else
     return decode_tuple_v1_0 (conn, n, return_data);

@@ -39,6 +39,7 @@ struct mu_sql_module_config
   char *db;
   int port;
   enum mu_password_type password_type;
+  int positional;
   mu_assoc_t field_map;
 };
 
@@ -56,6 +57,7 @@ struct mu_internal_sql_config
   char *db;
   int port;
   enum mu_password_type password_type;
+  int positional;
   mu_assoc_t field_map;
 };
 

@@ -84,6 +84,8 @@ static struct mu_cfg_param mu_sql_param[] = {
   { "password-type", mu_cfg_callback, NULL, 0, cb_password_type,
     N_("Type of password returned by getpass query (one of: plain, hash, "
        "scrambled).") },
+  { "positional", mu_cfg_bool, &sql_settings.positional, 0, NULL,
+    N_("Use positional (v1.0 compatible) field interface.") },
   { "field-map", mu_cfg_callback, NULL, 0, cb_field_map,
     N_("Set a field-map for parsing SQL replies.  The map is a "
        "column-separated list of definitions.  Each definition has the "