Method singletonList

subprojects/groovy-sql/src/main/java/groovy/sql/Sql.java:1371–1375

(Object item)

    }

    private static ArrayList<Object> singletonList(Object item) {
        ArrayList<Object> params = new ArrayList<>();
        params.add(item);
        return params;
    }

    /**
     * Performs the given SQL query, which should return a single