mgaido91 commented on a change in pull request #25137: [SPARK-28348][SQL]
Decimal precision promotion for binary arithmetic with casted decimal type
URL: https://github.com/apache/spark/pull/25137#discussion_r303196343
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala
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@@ -1051,6 +1052,17 @@ object TypeCoercion {
}
}
}
+
+ /**
+ * Replace CheckOverflow's dataType with Cast's dataType.
Review comment:
can we improve this description?
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