ulysses-you commented on a change in pull request #30295:
URL: https://github.com/apache/spark/pull/30295#discussion_r520243629
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/literals.scala
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@@ -110,6 +111,7 @@ object Literal {
case _ if clz == classOf[Timestamp] => TimestampType
case _ if clz == classOf[JavaBigDecimal] => DecimalType.SYSTEM_DEFAULT
case _ if clz == classOf[Array[Byte]] => BinaryType
+ case _ if clz == classOf[Array[Char]] => StringType
Review comment:
It seems we can never go into here with `java.lang.Character`. This
method is used which data type is `Array[_]`, but we always intercept the
`Array[Char]` first.
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