482a79a5e3
### What changes were proposed in this pull request? This is a follow-up on #29565, and addresses a few issues in the last PR: - style issue pointed by [this comment](https://github.com/apache/spark/pull/29565#discussion_r487646749) - skip optimization when `fromExp` is foldable (by [this comment](https://github.com/apache/spark/pull/29565#discussion_r487646973)) as there could be more efficient rule to apply for this case. - pass timezone info to the generated cast on the literal value - a bunch of cleanups and test improvements Originally I plan to handle this when implementing [SPARK-32858](https://issues.apache.org/jira/browse/SPARK-32858) but now think it's better to isolate these changes from that. ### Why are the changes needed? To fix a few left over issues in the above PR. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Added a test for the foldable case. Otherwise relying on existing tests. Closes #29775 from sunchao/SPARK-24994-followup. Authored-by: Chao Sun <sunchao@apache.org> Signed-off-by: Dongjoon Hyun <dhyun@apple.com> |
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