mysqlshow and mysqldump now send their vharacter set to server

character_set_results is now the same with character_set_client by default

client/mysqlshow.c

@@ -30,6 +30,7 @@
 static my_string host=0,opt_password=0,user=0;
 static my_bool opt_show_keys=0,opt_compress=0,opt_status=0, tty_password=0;
 static uint opt_verbose=0;
+static char *default_charset= (char*) MYSQL_DEFAULT_CHARSET_NAME;
 
 #ifdef HAVE_SMEM 
 static char *shared_memory_base_name=0;
@@ -115,6 +116,8 @@ int main(int argc, char **argv)
   if (shared_memory_base_name)
     mysql_options(&mysql,MYSQL_SHARED_MEMORY_BASE_NAME,shared_memory_base_name);
 #endif
+  mysql_options(&mysql, MYSQL_SET_CHARSET_NAME, default_charset);
+
   if (!(mysql_real_connect(&mysql,host,user,opt_password,
 			   (first_argument_uses_wildcards) ? "" : argv[0],opt_mysql_port,opt_mysql_unix_port,
 			   0)))
@@ -155,6 +158,9 @@ static struct my_option my_long_options[] =
   {"character-sets-dir", 'c', "Directory where character sets are",
    (gptr*) &charsets_dir, (gptr*) &charsets_dir, 0, GET_STR, REQUIRED_ARG, 0,
    0, 0, 0, 0, 0},
+  {"default-character-set", OPT_DEFAULT_CHARSET,
+   "Set the default character set.", (gptr*) &default_charset,
+   (gptr*) &default_charset, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
   {"compress", 'C', "Use compression in server/client protocol",
    (gptr*) &opt_compress, (gptr*) &opt_compress, 0, GET_BOOL, NO_ARG, 0, 0, 0,
    0, 0, 0},
@@ -558,7 +564,7 @@ list_fields(MYSQL *mysql,const char *db,const char *table,
 	    mysql_error(mysql));
     return 1;
   }
-  end=strmov(strmov(query,"show /*!32332 FULL */ columns from "),table);
+  end=strmov(strmov(strmov(query,"show /*!32332 FULL */ columns from `"),table),"`");
   if (wild && wild[0])
     strxmov(end," like '",wild,"'",NullS);
   if (mysql_query(mysql,query) || !(result=mysql_store_result(mysql)))
@@ -580,7 +586,7 @@ list_fields(MYSQL *mysql,const char *db,const char *table,
   print_res_top(result);
   if (opt_show_keys)
   {
-    end=strmov(strmov(query,"show keys from "),table);
+    end=strmov(strmov(strmov(query,"show keys from `"),table),"`");
     if (mysql_query(mysql,query) || !(result=mysql_store_result(mysql)))
     {
       fprintf(stderr,"%s: Cannot list keys in db: %s, table: %s: %s\n",

mysql-test/r/cast.result

@@ -28,6 +28,7 @@ cast("2001-1-1" as DATE)	cast("2001-1-1" as DATETIME)
 select cast("1:2:3" as TIME);
 cast("1:2:3" as TIME)
 01:02:03
+set names binary;
 select cast(_latin1'test' as char character set latin2);
 cast(_latin1'test' as char character set latin2)
 test

mysql-test/t/cast.test

@@ -16,6 +16,7 @@ select cast("1:2:3" as TIME);
 #
 # Character set convertion
 #
+set names binary;
 select cast(_latin1'test' as char character set latin2);
 select cast(_koi8r'' as char character set cp1251);
 create table t1 select cast(_koi8r'' as char character set cp1251) as t;

sql/mysqld.cc

@@ -2048,7 +2048,7 @@ static int init_common_variables(const char *conf_file_name, int argc,
   }
   global_system_variables.character_set_server= default_charset_info;
   global_system_variables.character_set_database= default_charset_info;
-  global_system_variables.character_set_results= NULL;
+  global_system_variables.character_set_results= default_charset_info;
   global_system_variables.character_set_client= default_charset_info;
   global_system_variables.collation_connection= default_charset_info;
 
@@ -4689,7 +4689,7 @@ static void mysql_init_variables(void)
   /* Set default values for some option variables */
   global_system_variables.character_set_server= default_charset_info;
   global_system_variables.character_set_database= default_charset_info;
-  global_system_variables.character_set_results= NULL;
+  global_system_variables.character_set_results= default_charset_info;
   global_system_variables.character_set_client= default_charset_info;
   global_system_variables.collation_connection= default_charset_info;
   global_system_variables.table_type=   DB_TYPE_MYISAM;

sql/protocol.cc

@@ -499,7 +499,7 @@ bool Protocol::send_fields(List<Item> *list, uint flag)
   String tmp((char*) buff,sizeof(buff),&my_charset_bin);
   Protocol_simple prot(thd);
   String *packet= prot.storage_packet();
-  CHARSET_INFO *thd_charset= thd->charset();
+  CHARSET_INFO *thd_charset= thd->variables.character_set_results;
   DBUG_ENTER("send_fields");
 
   if (flag & 1)

sql/set_var.cc

@@ -1355,7 +1355,7 @@ CHARSET_INFO ** sys_var_character_set_results::ci_ptr(THD *thd, enum_var_type ty
 void sys_var_character_set_results::set_default(THD *thd, enum_var_type type)
 {
  if (type == OPT_GLOBAL)
-   global_system_variables.character_set_results= NULL;
+   global_system_variables.character_set_results= default_charset_info;
  else
    thd->variables.character_set_results= global_system_variables.character_set_results;
 }

sql/sql_parse.cc

@@ -669,9 +669,12 @@ check_connections(THD *thd)
 	global_system_variables.character_set_client;
       thd->variables.collation_connection=
 	global_system_variables.collation_connection;
+      thd->variables.character_set_results=
+	global_system_variables.character_set_results;
     }
     else
     {
+      thd->variables.character_set_results=
       thd->variables.collation_connection= 
 	thd->variables.character_set_client;
     }
@@ -1319,7 +1322,8 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
     break;
 #else
   {
-    char *fields;
+    char *fields, *pend;
+    String convname;
     TABLE_LIST table_list;
     statistic_increment(com_stat[SQLCOM_SHOW_FIELDS],&LOCK_status);
     bzero((char*) &table_list,sizeof(table_list));
@@ -1329,8 +1333,11 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
       break;
     }
     thd->free_list=0;
-    table_list.alias= table_list.real_name= thd->strdup(packet);
-    packet=strend(packet)+1;
+    pend= strend(packet);
+    convname.copy(packet, pend-packet, 
+		  thd->variables.character_set_client, system_charset_info);
+    table_list.alias= table_list.real_name= convname.c_ptr();
+    packet= pend+1;
     // command not cachable => no gap for data base name
     if (!(thd->query=fields=thd->memdup(packet,thd->query_length+1)))
       break;

sql/sql_yacc.yy

@@ -4452,7 +4452,7 @@ option_value:
 	    net_printf(thd,ER_COLLATION_CHARSET_MISMATCH,$3->name,$2->csname);
 	    YYABORT;
 	  }
-	  lex->var_list.push_back(new set_var_collation_client($3,$3,NULL));
+	  lex->var_list.push_back(new set_var_collation_client($3,$3,$3));
 	}
 	| PASSWORD equal text_or_password
 	  {