turboFei commented on a change in pull request #27150: SPARK-30471: Fix issue
when comparing String and IntegerType
URL: https://github.com/apache/spark/pull/27150#discussion_r365207575
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala
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@@ -142,6 +142,8 @@ object TypeCoercion {
case (n: DecimalType, s: StringType) => Some(DoubleType)
case (s: StringType, n: DecimalType) => Some(DoubleType)
+ case (l: StringType, r: IntegerType) => Some(DoubleType)
Review comment:
Hm, It seems Decimal(38, 1) is more appreciate.
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