Ask the big guys, is there transaction control for using flick sink data to MySQL? If at a checkpoint

Ask the big guys , Please use flink sink Data to mysql Is there transaction control ？ If in a checkpoint Within the time frame 1000 Data , however checkPoint failed , So this 1000 Pieces of data are not written mysql Well ？ Or is it written mysql Rollback through transactions ？ Or the rollback after writing cannot ？

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Take the answer 1：

xa Of jdbc connector It is submitted by transaction ordinary jdbc connector There is no two-stage submission （ This answer is collated from Flink CDC Community ）

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