private DorisExtractNode buildDorisExtractNode() {
        List<FieldInfo> fields = Arrays.asList(
                new FieldInfo("dt", new StringFormatInfo()),
                new FieldInfo("id", new IntFormatInfo()),
                new FieldInfo("name", new StringFormatInfo()),
                new FieldInfo("age", new IntFormatInfo()),
                new FieldInfo("price", new DecimalFormatInfo()),
                new FieldInfo("sale", new DoubleFormatInfo()));
        return new DorisExtractNode("1", "doris_input", fields,
                null, null, "localhost:8030", "root",
                "000000", "test.test1");
    }
Test for extract data use {@link DorisExtractNode} and load data use {@link DorisLoadNode}
inlong-sort/sort-core/src/test/java/org/apache/inlong/sort/parser/DorisExtractNodeToDorisLoadNodeTest.java