cloud-fan commented on code in PR #51521:
URL: https://github.com/apache/spark/pull/51521#discussion_r2218074008
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/hash.scala:
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@@ -421,6 +424,9 @@ abstract class HashExpression[E] extends Expression {
s"$result = $hasherClassName.hashInt($input.months, $microsecondsHash);"
}
+ private def legacyCollationAwareHashing: Boolean =
Review Comment:
This is the desired behavior, isn't it? We shouldn't apply a new config in
the middle of query execution. The semantic should be fixed when the query plan
has been planned.
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