private MySqlExtractNode buildMysqlExtractNode() {
        List<FieldInfo> fields = Arrays.asList(
                new FieldInfo("id", new IntFormatInfo()),
                new FieldInfo("name", new StringFormatInfo()),
                new FieldInfo("age", new IntFormatInfo()));
        Map<String, String> map = new HashMap<>();
        return new MySqlExtractNode("1", "mysql_input", fields,
                null, map, "id",
                Collections.singletonList("user"), "localhost", "root", "888888",
                "test", 3306, 10011,
                true, null);
    }
Test mysql cdc for {@link DorisLoadNode}
inlong-sort/sort-core/src/test/java/org/apache/inlong/sort/parser/MySqlExtractNodeToDorisLoadNodeTest.java