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[SPARK-49354][SQL]
split_part
should check whether the collation
…
…values of all parameter types are the same ### What changes were proposed in this pull request? The same principle as apache#47825 (review), the parameter `delimiter` in expression `split_part` are treated as (`collation-dependent`) delimiters, rather than (`collation-unaware`) regular expressions. ### Why are the changes needed? Strengthen the parameter data type check of expression `split_part` to avoid potential issues. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? - Add some `test case` to `collations.sql`. - Pass GA. ### Was this patch authored or co-authored using generative AI tooling? No. Closes apache#47845 from panbingkun/SPARK-49354. Lead-authored-by: panbingkun <panbingkun@baidu.com> Co-authored-by: panbingkun <pbk1982@gmail.com> Signed-off-by: Max Gekk <max.gekk@gmail.com>
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