@Override
    public ChangelogMode getChangelogMode() {
        return ChangelogMode.newBuilder()
                .addContainedKind(RowKind.INSERT)
                .addContainedKind(RowKind.UPDATE_BEFORE)
                .addContainedKind(RowKind.UPDATE_AFTER)
                .addContainedKind(RowKind.DELETE)
                .build();
    }
Metadata that is appended at the end of a physical source row.
inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/sqlserver-cdc/src/main/java/org/apache/inlong/sort/sqlserver/SqlServerTableSource.java