uros-db commented on code in PR #45216:
URL: https://github.com/apache/spark/pull/45216#discussion_r1509069300
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sql/core/src/test/scala/org/apache/spark/sql/CollationSuite.scala:
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@@ -183,6 +183,266 @@ class CollationSuite extends DatasourceV2SQLBase {
}
}
+ test("checkCollation throws exception for incompatible collationIds") {
+ val left: String = "abc" // collate with 'UNICODE_CI'
+ val leftCollationName: String = "UNICODE_CI";
+ var right: String = null // collate with 'UNICODE'
+ val rightCollationName: String = "UNICODE";
+ // contains
+ right = left.substring(1, 2);
+ checkError(
+ exception = intercept[SparkException] {
+ spark.sql(s"SELECT contains(collate('$left', '$leftCollationName')," +
+ s"collate('$right', '$rightCollationName'))").collect()
Review Comment:
I think I need .collect() in this case, otherwise it doesn't produce an
exception here
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