[SPARK-47309][SQL][XML] Fix schema inference issues in XML #45426
+4
−2
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What changes were proposed in this pull request?
This PR fixes XML schema inference issues:
when there's an empty tag
when merging schema for NullType
Why are the changes needed?
Fix a bug
Does this PR introduce any user-facing change?
Yes
How was this patch tested?
Unit tests. There's a follow-up PR that introduces comprehensive tests for schema inference.
Was this patch authored or co-authored using generative AI tooling?
No