SteNicholas opened a new pull request, #7194:
URL: https://github.com/apache/hudi/pull/7194
### Change Logs
When reading to vector of certain null child columns of row type column,
`RowColumnReader` should not return null value because the value of the row
type column may not be null, which results in incorrect values of row type
column.
### Impact
The return value `RowColumnReader#readToVector` is correct for the row type
column in the case that there are certain null child columns.
### Risk level (write none, low medium or high below)
_If medium or high, explain what verification was done to mitigate the
risks._
### 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
- [x] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [x] Change Logs and Impact were stated clearly
- [x] Adequate tests were added if applicable
- [x] CI passed
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