wecharyu opened a new pull request, #9840:
URL: https://github.com/apache/hudi/pull/9840
### Change Logs
When merge the log files for MOR table, it can not generate partition values
if we drop partition columns while upsert data. As a result, the updated rows
in log files will get null for partition columns.
To prevent this issue, we suggest disable `DROP_PARTITION_COLUMNS` while
upsert MOR table.
### Impact
Fix bug in get partition values from path in MOR log files.
### Risk level (write none, low medium or high below)
None.
### Documentation Update
_Describe any necessary documentation update if there is any new feature,
config, or user-facing change_
- _The config description must be updated if new configs are added or the
default value of the configs are changed_
- _Any new feature or user-facing change requires updating the Hudi website.
Please create a Jira ticket, attach the
ticket number here and follow the
[instruction](https://hudi.apache.org/contribute/developer-setup#website) to
make
changes to the website._
### Contributor's checklist
- [ ] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Change Logs and Impact were stated clearly
- [ ] Adequate tests were added if applicable
- [ ] CI passed
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