use hash result

use hash result

diff --git a/lib/mini_sql/mysql/connection.rb b/lib/mini_sql/mysql/connection.rb
index 105828a..300d8a9 100644
--- a/lib/mini_sql/mysql/connection.rb
+++ b/lib/mini_sql/mysql/connection.rb
@@ -47,7 +47,7 @@ module MiniSql
         if params && params.length > 0
           sql = param_encoder.encode(sql, *params)
         end
-        raw_connection.query(sql)
+        raw_connection.query(sql, as: :hash)
       end
     end
   end

GitHub sha: f20b9e21