[GitHub] [spark] turboFei edited a comment on issue #24610: [SPARK-27716][SQL] Complete the transactions support for part of jdbc datasource operations.

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turboFei edited a comment on issue #24610: [SPARK-27716][SQL] Complete the transactions support for part of jdbc datasource operations.
URL: https://github.com/apache/spark/pull/24610#issuecomment-494852332
 
 
   > I don't know this part well, but I'm pretty sure that the transaction is supposed to be per partition. These writes must happen separately
   
   Yes, you are right, the transaction is supposed to be per partition.
   But for  the all partitions, it is not in a single transaction.
   For some cases, we can use accumulator to make the save operation for all partitions in a single transaction.
   @srowen 

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