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SortSuite.scala
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SortSuite.scala
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.sql.execution
import org.apache.spark.sql.catalyst.dsl.expressions._
import org.apache.spark.sql.catalyst.expressions.{Ascending, SortOrder}
class SortSuite extends SparkPlanTest {
test("basic sorting using ExternalSort") {
val input = Seq(
("Hello", 4),
("Hello", 1),
("World", 8)
)
val sortOrder = Seq(
SortOrder('_1, Ascending),
SortOrder('_2, Ascending)
)
checkAnswer(
input,
(child: SparkPlan) => new ExternalSort(sortOrder, global = false, child),
input.sorted
)
}
}