[GitHub] [spark] cloud-fan commented on a change in pull request #20350: [SPARK-23179][SQL] Support option to throw exception if overflow occurs

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cloud-fan commented on a change in pull request #20350: [SPARK-23179][SQL] Support option to throw exception if overflow occurs
URL: https://github.com/apache/spark/pull/20350#discussion_r296439839
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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 @@ -1441,6 +1441,16 @@ object SQLConf {
       .booleanConf
       .createWithDefault(true)
 
+  val DECIMAL_OPERATIONS_NULL_ON_OVERFLOW =
+    buildConf("spark.sql.decimalOperations.nullOnOverflow")
 
 Review comment:
   overflow can happen with non-decimal operations, do we need a new config?
   
   cc @JoshRosen 

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