SQL: variadic argument type fix [#307]

sql/handler.cc

@@ -6933,13 +6933,13 @@ bool Vers_parse_info::check_and_fix_alter(THD *thd, Alter_info *alter_info,
     if (!(share->vers_start_field()->flags & HIDDEN_FLAG))
     {
       my_error(ER_VERS_SYS_FIELD_NOT_HIDDEN, MYF(0),
-               share->vers_start_field()->field_name);
+               share->vers_start_field()->field_name.str);
       return true;
     }
     if (!(share->vers_end_field()->flags & HIDDEN_FLAG))
     {
       my_error(ER_VERS_SYS_FIELD_NOT_HIDDEN, MYF(0),
-               share->vers_end_field()->field_name);
+               share->vers_end_field()->field_name.str);
       return true;
     }
 
@@ -6979,7 +6979,7 @@ bool Vers_parse_info::check_and_fix_alter(THD *thd, Alter_info *alter_info,
 
         if (f->change.str && (start == f->change || end == f->change))
         {
-          my_error(ER_VERS_ALTER_SYSTEM_FIELD, MYF(0), f->change);
+          my_error(ER_VERS_ALTER_SYSTEM_FIELD, MYF(0), f->change.str);
           return true;
         }
       }

sql/item.cc

@@ -10385,7 +10385,7 @@ Item *Item_field::vers_optimized_fields_transformer(THD *thd, uchar *)
         current_thd, Sql_condition::WARN_LEVEL_WARN,
         ER_NON_VERSIONED_FIELD_IN_VERSIONED_QUERY,
         ER_THD(current_thd, ER_NON_VERSIONED_FIELD_IN_VERSIONED_QUERY),
-        field_name);
+        field_name.str);
 
     Item *null_item= new (thd->mem_root) Item_null(thd);
     if (null_item)

sql/partition_info.cc

@@ -953,7 +953,7 @@ bool partition_info::vers_setup_expression(THD * thd, uint32 alter_add)
 
   if (!table->versioned_by_sql())
   {
-    my_error(ER_VERSIONING_REQUIRED, MYF(0), table->s->table_name);
+    my_error(ER_VERSIONING_REQUIRED, MYF(0), table->s->table_name.str);
     return true;
   }