Lin Liu created HUDI-9717:
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Summary: Disallow mutable merge behavior
Key: HUDI-9717
URL: https://issues.apache.org/jira/browse/HUDI-9717
Project: Apache Hudi
Issue Type: Sub-task
Reporter: Lin Liu
Fix For: 1.1.0
Currently Hudi allows users to change merging behavior defined by the table
config during writes by using write merging configs, including
1. hoodie.datasource.write.payload.class
2. hoodie.write.record.merge.strategy.id
3. hoodie.write.record.merge.mode.
(Note: Partial_Update_Mode is introduced in 1.1, which does not have
corresponding write config.)
Such behavior is risky because
1. the merge behavior is non-trackable, and
2. it could produce inconsistent data for the table when the overwrite config
is not compatible with the table configs.
Hudi should disable such behavior.
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