BUG#19914 SELECT COUNT(*) sometimes returns MAX_INT on cluster tables

update federated for fix


sql/ha_federated.cc:
  update federated for ::info returning int
sql/ha_federated.h:
  update federated for ::info returning int

sql/ha_federated.cc

@@ -2385,7 +2385,7 @@ int ha_federated::rnd_pos(byte *buf, byte *pos)
 
 */
 
-void ha_federated::info(uint flag)
+int ha_federated::info(uint flag)
 {
   char error_buffer[FEDERATED_QUERY_BUFFER_SIZE];
   char status_buf[FEDERATED_QUERY_BUFFER_SIZE];
@@ -2463,7 +2463,7 @@ void ha_federated::info(uint flag)
   if (result)
     mysql_free_result(result);
 
-  DBUG_VOID_RETURN;
+  DBUG_RETURN(0);
 
 error:
   if (result)
@@ -2472,7 +2472,7 @@ error:
   my_sprintf(error_buffer, (error_buffer, ": %d : %s",
                             mysql_errno(mysql), mysql_error(mysql)));
   my_error(error_code, MYF(0), error_buffer);
-  DBUG_VOID_RETURN;
+  DBUG_RETURN(error_code);
 }
 
 

sql/ha_federated.h

@@ -285,7 +285,7 @@ public:
   int rnd_next(byte *buf);                                      //required
   int rnd_pos(byte *buf, byte *pos);                            //required
   void position(const byte *record);                            //required
-  void info(uint);                                              //required
+  int info(uint);                                              //required
 
   void update_auto_increment(void);
   int repair(THD* thd, HA_CHECK_OPT* check_opt);