uros-db commented on code in PR #46040:
URL: https://github.com/apache/spark/pull/46040#discussion_r1571028944
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sql/core/src/test/scala/org/apache/spark/sql/CollationStringExpressionsSuite.scala:
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@@ -425,6 +425,54 @@ class CollationStringExpressionsSuite
})
}
+ test("Support Left/Right/Substr with collation") {
+ case class SubstringTestCase(
+ method: String,
+ str: String,
+ len: String,
+ pad: Option[String],
+ collation: String,
+ result: Row) {
+ val strString = if (str == "null") "null" else s"'$str'"
+ val query =
+ s"SELECT $method(collate($strString, '$collation'), $len${pad.map(p =>
s", '$p'").getOrElse("")})" // scalastyle:ignore line.size.limit
Review Comment:
it's alright to break a row
we shouldn't normally use // scalastyle:ignore line.size.limit
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