yaooqinn commented on code in PR #46976:
URL: https://github.com/apache/spark/pull/46976#discussion_r1639182068
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sql/core/src/test/scala/org/apache/spark/sql/CollationSQLRegexpSuite.scala:
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@@ -55,6 +57,57 @@ class CollationSQLRegexpSuite
})
}
+ test("Like simplification should work with collated strings") {
+ case class SimplifyLikeTestCase[R](collation: String, str: String, cls:
Class[_], result: R)
+ val testCases = Seq(
+ SimplifyLikeTestCase("UTF8_BINARY", "ab%", classOf[StartsWith], false),
+ SimplifyLikeTestCase("UTF8_BINARY", "%bc", classOf[EndsWith], false),
+ SimplifyLikeTestCase("UTF8_BINARY", "a%c", classOf[And], false),
+ SimplifyLikeTestCase("UTF8_BINARY", "%b%", classOf[Contains], false),
+ SimplifyLikeTestCase("UTF8_BINARY", "abc", classOf[EqualTo], false),
+ SimplifyLikeTestCase("UTF8_LCASE", "ab%", classOf[StartsWith], true),
+ SimplifyLikeTestCase("UTF8_LCASE", "%bc", classOf[EndsWith], true),
+ SimplifyLikeTestCase("UTF8_LCASE", "a%c", classOf[And], true),
+ SimplifyLikeTestCase("UTF8_LCASE", "%b%", classOf[Contains], true),
+ SimplifyLikeTestCase("UTF8_LCASE", "abc", classOf[EqualTo], true)
+ )
+ sql("CREATE TABLE IF NOT EXISTS t(c STRING) using PARQUET")
Review Comment:
withTable("t")
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