uros-db commented on code in PR #48626:
URL: https://github.com/apache/spark/pull/48626#discussion_r1813410537
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common/unsafe/src/main/java/org/apache/spark/sql/catalyst/util/CollationFactory.java:
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@@ -324,6 +325,11 @@ protected enum SpaceTrimming {
private static final int INDETERMINATE_COLLATION_ID = -1;
+ /**
+ * UTF8 Binary collation version.
+ */
+ private static final String UTF8_BINARY_VERSION = "1.0";
Review Comment:
please see the `Lower`/`Upper` implementation in `CollationSuite` - we
**do** in fact use ICU for UTF8_BINARY implementation there now as well
(`execBinaryICU`)
so I suggest putting the proper ICU version here
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