the-other-tim-brown opened a new pull request, #13714:
URL: https://github.com/apache/hudi/pull/13714
### Change Logs
This PR fixes a few issues discovered while trying to move the Copy-on-Write
path to use the FileGroupReader for reading base files and merging with
incoming records. The issues mainly stem from schema evolution cases.
Cases fixed:
1. Spark reader was not properly rewriting the record in some type promotion
scenarios so the validations are updated
2. The avro reader was not forcing a rewrite for some cases, requiring the
validation to be updated to account for these evolutions
3. The avro reader was not passing in the renamed columns to the transform
### Impact
Unblocks moving the writer path to reuse the same reader paths we use
elsewhere in the code
### Risk level (write none, low medium or high below)
Low
### Documentation Update
_Describe any necessary documentation update if there is any new feature,
config, or user-facing change. If not, put "none"._
- _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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