rdblue commented on a change in pull request #29890:
URL: https://github.com/apache/spark/pull/29890#discussion_r529079681
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File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/connector/expressions/TransformExtractorSuite.scala
##########
@@ -130,23 +130,32 @@ class TransformExtractorSuite extends SparkFunSuite {
}
test("Bucket extractor") {
- val col = ref("a", "b")
- val bucketTransform = new Transform {
- override def name: String = "bucket"
- override def references: Array[NamedReference] = Array(col)
- override def arguments: Array[Expression] = Array(lit(16), col)
- override def describe: String = s"bucket(16, ${col.describe})"
+ def checkBucketTransform(cols: Seq[NamedReference], expectedBucketCols:
Seq[String]): Unit = {
+ new Transform {
+ override def name: String = "bucket"
+ override def references: Array[NamedReference] = cols.toArray
+ override def arguments: Array[Expression] = Array(lit(16)) ++ cols
+ override def describe: String =
s"bucket(${arguments.map(_.describe).mkString(", ")})"
+ } match {
+ case BucketTransform(numBuckets, fieldReferences) =>
+ val bucketColumns = fieldReferences.collect {
+ case FieldReference(parts) => parts.mkString(".")
+ }
+ assert(numBuckets === 16)
+ assert(bucketColumns === expectedBucketCols)
+ case _ =>
+ fail("Did not match BucketTransform extractor")
+ }
}
- bucketTransform match {
- case BucketTransform(numBuckets, FieldReference(seq)) =>
- assert(numBuckets === 16)
- assert(seq === Seq("a", "b"))
- case _ =>
- fail("Did not match BucketTransform extractor")
- }
+ // CLUSTERED BY (a, b)
+ checkBucketTransform(Seq(ref("a"), ref("b")), Seq("a", "b"))
+ // CLUSTERED BY (a.b)
+ checkBucketTransform(Seq(ref("a", "b")), Seq("a.b"))
+ checkBucketTransform(Seq(ref("a.b")), Seq("a.b"))
+ checkBucketTransform(Seq(ref("`a.b`")), Seq("`a.b`"))
- transform("unknown", ref("a", "b")) match {
+ transform("unknown", ref("c")) match {
Review comment:
Why did this test case change?
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