private Node buildTransformNode() {
        return new TransformNode("4", "transform_node",
                Arrays.asList(
                        new FieldInfo("id", new LongFormatInfo()),
                        new FieldInfo("age", new IntFormatInfo()),
                        new FieldInfo("PROCESS_TIME", null)),
                Arrays.asList(
                        new FieldRelation(new FieldInfo("id", "1", new LongFormatInfo()),
                                new FieldInfo("id", new LongFormatInfo())),
                        new FieldRelation(new FieldInfo("age", "2", new IntFormatInfo()),
                                new FieldInfo("age", new IntFormatInfo())),
                        new FieldRelation(new FieldInfo("PROCESS_TIME", "3", null),
                                new FieldInfo("PROCESS_TIME", null))),
                null, null);
    }
Build a transform node

@return A transform node
inlong-sort/sort-core/src/test/java/org/apache/inlong/sort/parser/DataTypeConvertSqlParseTest.java