@Override
                public void addElement(RowData element) throws IOException {
                    writer.addElement(computer.projectColumnsToWrite(element));
                }
Project row to non-partition fields.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/filesystem/src/main/java/org/apache/inlong/sort/filesystem/FileSystemTableSink.java