gengliangwang commented on a change in pull request #33750:
URL: https://github.com/apache/spark/pull/33750#discussion_r689497401
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala
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@@ -862,6 +862,18 @@ object TypeCoercion extends TypeCoercionBase {
case _ => None
}
+ // Return whether a string literal can be promoted as the give data type in
a binary comparison.
+ private def canPromoteAsInBinaryComparison(dt: DataType) = dt match {
Review comment:
Yes and no. Here is for binary comparison, while in ANSI mode it is for
binary operators...It is hard to create a function name for this.
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