private void updateStartingOffsetForSplit(MySqlSplitState splitState, SourceRecord element) {
        if (splitState.isBinlogSplitState()) {
            // record the time metric to enter the incremental phase
            if (sourceReaderMetrics != null) {
                sourceReaderMetrics.outputReadPhaseMetrics(ReadPhase.INCREASE_PHASE);
            }
            BinlogOffset position = getBinlogPosition(element);
            splitState.asBinlogSplitState().setStartingOffset(position);
        }
    }
if rename operation is "rename a to b" where a is the captured table
this method extract table names a and b, if any of table name is the captured table
we should output ddl element.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/source/reader/MySqlRecordEmitter.java