uros-db commented on code in PR #48386:
URL: https://github.com/apache/spark/pull/48386#discussion_r1798979827
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/hash.scala:
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@@ -566,7 +566,7 @@ abstract class InterpretedHashFunction {
hashUnsafeBytes(a, Platform.BYTE_ARRAY_OFFSET, a.length, seed)
case s: UTF8String =>
val st = dataType.asInstanceOf[StringType]
- if (st.supportsBinaryEquality) {
+ if (st.supportsBinaryEquality && !st.usesTrimCollation) {
Review Comment:
on another note, let's make sure that we reconsider this in the follow-up:
https://issues.apache.org/jira/browse/SPARK-49911
please add `// TODO(SPARK-49911): ...` comments wherever appropriate, just
so that we don't miss it
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