kazdy created HUDI-5848:
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Summary: If no precombine field is provided make
COMBINE_BEFORE_UPSERT=false automatically
Key: HUDI-5848
URL: https://issues.apache.org/jira/browse/HUDI-5848
Project: Apache Hudi
Issue Type: Improvement
Components: dev-experience
Reporter: kazdy
Assignee: kazdy
Fix For: 0.13.1
Starting from 0.13 precombine field is optional in Spark.
Before this was only available in Flink, but in Flink COMBINE_BEFORE_UPSERT is
set to false by default and if no precombine field is provided upserts can be
done without any configuration changes.
In Hudi + Spark, on the other hand, users must explicitly set
COMBINE_BEFORE_UPSERT option to false first in order to do upserts in absence
of precombine field.
As a Hudi user, if no precombine field is provided I would like Hudi to
automatically set the appropriate option of COMBINE_BEFORE_UPSERT, to provide a
seamless experience.
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