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## What changes were proposed in this pull request? Alternative take on https://github.com/apache/spark/pull/22063 that does not introduce udfInternal. Resolve issue with inferring func types in 2.12 by instead using info captured when UDF is registered -- capturing which types are nullable (i.e. not primitive) ## How was this patch tested? Existing tests. Closes #22259 from srowen/SPARK-25044.2. Authored-by: Sean Owen <sean.owen@databricks.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> |
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