func SelectGlobalStatusByVariableName(dbh *sql.DB, variable_name string) (error, int) {
sql_select := "SELECT VARIABLE_VALUE from INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = ?"
func SelectGlobalStatusByVariableName(dbh *sql.DB, variable_name string) (error, int) {
sql_select := "SELECT VARIABLE_VALUE from INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = ?"