HyukjinKwon commented on code in PR #48546:
URL: https://github.com/apache/spark/pull/48546#discussion_r1839243080
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common/unsafe/src/main/java/org/apache/spark/sql/catalyst/util/CollationFactory.java:
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@@ -1154,9 +1154,33 @@ public static StringSearch getStringSearch(
* Returns the collation ID for the given collation name.
*/
public static int collationNameToId(String collationName) throws
SparkException {
+ // If collation name is given as a fully qualified name, extract the
actual collation name as
+ // the last part of the [catalog].[schema].[collation_name] name.
+ long numDots = collationName.chars().filter(ch -> ch == '.').count();
Review Comment:
Can you at least copy and paste, and add a pointer or something? Or you can
make it inherited etc. This manual different parsing logic should be got rid of
in any event.
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