whats the default behavior for Apache Hudi option PRECOMBINE_FIELD_OPT_KEY

Question

I have table read from oracle and write to Hudi dataset. I don't have any timestamp or date columns in my source table. What should be using for PRECOMBINE_FIELD_OPT_KEY to write Hudi data set. How do I identify updated row to merge to Hudi data set.

question from:https://stackoverflow.com/questions/65951350/whats-the-default-behavior-for-apache-hudi-option-precombine-field-opt-key

Answer 1

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