uros-db commented on code in PR #46599:
URL: https://github.com/apache/spark/pull/46599#discussion_r1609845984
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common/unsafe/src/main/java/org/apache/spark/sql/catalyst/util/CollationFactory.java:
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@@ -284,4 +284,15 @@ public static UTF8String getCollationKey(UTF8String input,
int collationId) {
}
}
+ public static byte[] getCollationKeyBytes(UTF8String input, int collationId)
{
+ Collation collation = fetchCollation(collationId);
+ if (collation.supportsBinaryEquality) {
+ return input.getBytes();
Review Comment:
so the rewrite rule will not actually invoke this for binary collation
anyway (no unnecessary memory copy)
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