+--- mysql-ruby-2.8.2/mysql.c~ 2018-06-10 07:20:17.000000000 +0900
++++ mysql-ruby-2.8.2/mysql.c 2018-06-10 07:21:50.252989913 +0900
+@@ -1343,7 +1343,7 @@
+ }
+ else if (argv[i] == rb_cString)
+ s->result.bind[i].buffer_type = MYSQL_TYPE_STRING;
+- else if (argv[i] == rb_cNumeric || argv[i] == rb_cInteger || argv[i] == rb_cFixnum)
++ else if (argv[i] == rb_cNumeric || argv[i] == rb_cInteger)
+ s->result.bind[i].buffer_type = MYSQL_TYPE_LONGLONG;
+ else if (argv[i] == rb_cFloat)
+ s->result.bind[i].buffer_type = MYSQL_TYPE_DOUBLE;