[FLINK-37011] Improve get source field value by column name in PreTransformProcessor.#3836

leonardBang merged 3 commits intoapache:masterapache/flink-cdc:masterfrom

ChaomingZhangCN:pretransform-get-valueChaomingZhangCN/flink-cdc:pretransform-get-valueCopy head branch name to clipboard