cloud-fan commented on a change in pull request #31954:
URL: https://github.com/apache/spark/pull/31954#discussion_r601485468
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -1873,6 +1873,8 @@ object AnsiCast {
case (NullType, _) => true
+ case (_, StringType) => true
Review comment:
`df.show` needs to cast the column to string, I think we need to support
casting from all the data types here, otherwise `df.show` may still be broken
under some cases.
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