BlakeOrth opened a new pull request, #17232:
URL: https://github.com/apache/datafusion/pull/17232
## Which issue does this PR close?
- Closes #17049
## What changes are included in this PR?
- Fixes an issue in the `ListingTableFactory` where hive columns are not
detected and incorporated into the table schema when an explicit schema has not
been set by the user
- Fixes an issue where subdirectories that do not follow Hive formatting
(e.g. key=value) could be erroneously interpreted as contributing to the table
schema
## Are these changes tested?
Yes, the PR includes both unit tests and `sqllogic` tests that exercise the
fixes
## Are there any user-facing changes?
I think there's a possibility for the changes to impact users of the
`ListingTableFactory`. In my mind the behavior represented here is what I would
think the "expected" behavior should be, but there's a good possibility users
are relying on the previous behavior and could get unexpected results if this
PR is merged.
cc @alamb
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