cloud-fan commented on a change in pull request #33750:
URL: https://github.com/apache/spark/pull/33750#discussion_r689460120
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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:
is it possible to share this code between ansi and non-ansi?
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