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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/07/21 06:25:26 UTC
[GitHub] [spark] gatorsmile commented on issue #25108: [SPARK-28321][SQL]
0-args Java UDF should not be called only once
gatorsmile commented on issue #25108: [SPARK-28321][SQL] 0-args Java UDF should not be called only once
URL: https://github.com/apache/spark/pull/25108#issuecomment-513526585
This a nice fix, but we still need to document it in the migration guide. This changes a behavior. Also it could cause a perf regression when calling the 0-args Java UDF is expensive.
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