public static String toSnake(String col) {
        StringBuilder builder = SHARE.get();
        builder.setLength(0);
        for (int i = 0, len = col.length(); i < len; i++) {
            char c = col.charAt(i);
            if (Character.isUpperCase(c)) {
                if (i != 0) {
                    builder.append('_');
                }
                builder.append(Character.toLowerCase(c));
            } else {
                builder.append(c);
            }
        }
        return builder.toString();
    }
@Test
    void testToSnake(){

        assertEquals("test_name",QueryHelperUtils.toSnake("testName"));

        assertEquals("test_name",QueryHelperUtils.toSnake("TestName"));



    }