private Node buildHbaseNode2() {
        List<FieldRelation> relations = new ArrayList<>();
        buildRelations("1", relations);
        buildRelations("2", relations);
        buildRelations("3", relations);
        List<FieldInfo> fields = Arrays.asList(new FieldInfo("cf1:id", new LongFormatInfo()),
                new FieldInfo("cf1:name", new StringFormatInfo()),
                new FieldInfo("cf1:age", new IntFormatInfo()),
                new FieldInfo("cf2:salary", new FloatFormatInfo()),
                new FieldInfo("cf2:ts", new TimestampFormatInfo()));
        return new HbaseLoadNode("4", "test_hbase",
                fields, relations, null, null, 1, null, "mytable",
                "default", "localhost:2181", "MD5(`name`)", null,
                null, null, null);
    }
Test for union sql parse {@link UnionNodeRelation}
inlong-sort/sort-core/src/test/java/org/apache/inlong/sort/parser/UnionSqlParseTest.java