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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/11/02 01:32:31 UTC

[GitHub] [spark] ulysses-you commented on pull request #36698: [SPARK-39316][SQL] Merge PromotePrecision and CheckOverflow into decimal binary arithmetic

ulysses-you commented on PR #36698:
URL: https://github.com/apache/spark/pull/36698#issuecomment-1299431744

   @gengliangwang it is a bug fix and also have improvement for saving unnecessary cast. The query will produce the unexpected precision and scale. before: `decimal(28,2)`, after: `decimal(38,20)`


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