private FileSystemLoadNode buildFileSystemLoadNode() {
        List<FieldInfo> fields = Arrays.asList(
                new FieldInfo("name", new StringFormatInfo()),
                new FieldInfo("age", new LongFormatInfo()));
        List<FieldRelation> relations = Arrays
                .asList(new FieldRelation(new FieldInfo("name", new StringFormatInfo()),
                        new FieldInfo("name", new StringFormatInfo())),
                        new FieldRelation(new FieldInfo("age", new IntFormatInfo()),
                                new FieldInfo("age", new LongFormatInfo())));
        Map<String, String> map = new HashMap<>();
        map.put("sink.ignore.changelog", "true");
        return new FileSystemLoadNode("2", "filesystem_node", fields, relations, null, "hdfs://127.0.0.1:8020/", "csv",
                1, map, null, null);
    }
build filesystem load node

@return filesystem load node
inlong-sort/sort-core/src/test/java/org/apache/inlong/sort/parser/FilesystemSqlParserTest.java