rangareddy commented on issue #16832:
URL: https://github.com/apache/hudi/issues/16832#issuecomment-5391416317
This issue was reviewed as part of the JIRA-migrated backlog triage
(HUDI-8987).
**Findings: the gate exists; whether it actually blocks needs the test run.**
The config is real and is consulted. `ENABLE_MERGE_INTO_PARTIAL_UPDATES` is
declared at
`hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/DataSourceOptions.scala:692`
and read in `MergeIntoHoodieTableCommand.scala` at `:523-524`, with related
handling at `:431` and an error message referencing it at `:1000`. (Note that
is the `hudi-spark3-common` copy of the command - worth checking whether the
Spark 4 path has the same handling.)
So this is not a missing config; it is a claim that the gate does not take
effect. Settling it means running the test named in the description ("Test
merge into Allowed-patterns of assignment clauses") with the flag set to
`false` on current `master` and confirming whether it still passes.
If it does still pass, the interesting question is whether the flag is
checked on the analysis path at all or only used to shape the write - which
determines where the fix goes.
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