private Node buildMysqlLoadNodeForRawFormat() {
        List<FieldInfo> fields = Arrays.asList(new FieldInfo("log", new StringFormatInfo()));
        List<FieldRelation> relations = Arrays
                .asList(new FieldRelation(new FieldInfo("log", new StringFormatInfo()),
                        new FieldInfo("log", new StringFormatInfo())));
        return new MySqlLoadNode("2", "mysql_output", fields, relations, null,
                null, null, null, "jdbc:mysql://localhost:3306/inlong",
                "inlong", "inlong", "table_output", null);
    }
build node relation

@param inputs  extract node
@param outputs load node
@return node relation
inlong-sort/sort-core/src/test/java/org/apache/inlong/sort/parser/KafkaSqlParseTest.java