tverdokhlebd opened a new issue #1467: [SUPPORT] Bulk_insert does not update 
existing records
URL: https://github.com/apache/incubator-hudi/issues/1467
 
 
   I have a CSV file (3 records), default hudi configuration, one partition, 
and two stages:
   
   1 stage - bulk_insert of new data from the CSV file
   2 stage - bulk_insert of existing data from the same CSV file with an 
increased value of PRECOMBINE_FIELD_OPT_KEY
   
   When I make a query to count all records, I receive 6 records but expected 
to see 3 records. I tried to set custom PAYLOAD_CLASS_OPT_KEY and see 
preCombine method calling, but this method not called.

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