stefankandic opened a new pull request, #50234:
URL: https://github.com/apache/spark/pull/50234
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### What changes were proposed in this pull request?
After removing session-level collation (#49772) we can also revert the PR
that changed the behavior of `from_json` and `from_xml` expressions to use json
and not sql type representation under the hood (#48750).
### Why are the changes needed?
Now that we don't have correctness problems with session level collation,
using `sql` instead of `json` will lead to smaller and more efficient type
representation.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Existing unit tests.
### Was this patch authored or co-authored using generative AI tooling?
No.
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