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https://issues.apache.org/jira/browse/HUDI-3820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sivabalan narayanan reassigned HUDI-3820:
-----------------------------------------
Assignee: Rajesh
> Validate switching between different key generators will throw exception
> ------------------------------------------------------------------------
>
> Key: HUDI-3820
> URL: https://issues.apache.org/jira/browse/HUDI-3820
> Project: Apache Hudi
> Issue Type: Task
> Components: spark
> Reporter: sivabalan narayanan
> Assignee: Rajesh
> Priority: Major
> Fix For: 0.12.0
>
>
> We should add validation and tests to ensure switching from one key gen to
> another for a given table fails. If user made a mistake in setting the right
> key gen, our recommendation is to re-generate the entire table again. bcoz,
> upserts/merge may not function well if key gen is modified. So, might as well
> re-build entire table.
>
> Also, ensure with "insert_overwrite_table" we should not do the validation
> and over-ride table config w/ new key gen props.
>
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