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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/08/19 09:08:00 UTC
[GitHub] [spark] cloud-fan commented on issue #25347: [SPARK-28610][SQL]
Allow having a decimal buffer for long sum
cloud-fan commented on issue #25347: [SPARK-28610][SQL] Allow having a decimal buffer for long sum
URL: https://github.com/apache/spark/pull/25347#issuecomment-522481955
@maropu good point. I think it's more than overflow now. Maybe we should create a config to specify the dialect, and provide 2 options: legacy and ansi. For ansi dialect, we try out best to make the behavior of Spark be consistent with ansi sql standard, including parser, overflow, sum data type, etc.
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