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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.catalyst.optimizer
import org.apache.spark.sql.catalyst.dsl.expressions._
import org.apache.spark.sql.catalyst.dsl.plans._
import org.apache.spark.sql.catalyst.encoders.ExpressionEncoder
import org.apache.spark.sql.catalyst.expressions.AttributeReference
import org.apache.spark.sql.catalyst.expressions.objects.Invoke
import org.apache.spark.sql.catalyst.plans.PlanTest
import org.apache.spark.sql.catalyst.plans.logical.{DeserializeToObject, LocalRelation, LogicalPlan}
import org.apache.spark.sql.catalyst.rules.RuleExecutor
import org.apache.spark.sql.types._
class EliminateMapObjectsSuite extends PlanTest {
object Optimize extends RuleExecutor[LogicalPlan] {
val batches = {
Batch("EliminateMapObjects", FixedPoint(50),
NullPropagation(conf),
SimplifyCasts,
EliminateMapObjects) :: Nil
}
}
implicit private def intArrayEncoder = ExpressionEncoder[Array[Int]]()
implicit private def doubleArrayEncoder = ExpressionEncoder[Array[Double]]()
test("SPARK-20254: Remove unnecessary data conversion for primitive array") {
val intObjType = ObjectType(classOf[Array[Int]])
val intInput = LocalRelation('a.array(ArrayType(IntegerType, false)))
val intQuery = intInput.deserialize[Array[Int]].analyze
val intOptimized = Optimize.execute(intQuery)
val intExpected = DeserializeToObject(
Invoke(intInput.output(0), "toIntArray", intObjType, Nil, true, false),
AttributeReference("obj", intObjType, true)(), intInput)
comparePlans(intOptimized, intExpected)
val doubleObjType = ObjectType(classOf[Array[Double]])
val doubleInput = LocalRelation('a.array(ArrayType(DoubleType, false)))
val doubleQuery = doubleInput.deserialize[Array[Double]].analyze
val doubleOptimized = Optimize.execute(doubleQuery)
val doubleExpected = DeserializeToObject(
Invoke(doubleInput.output(0), "toDoubleArray", doubleObjType, Nil, true, false),
AttributeReference("obj", doubleObjType, true)(), doubleInput)
comparePlans(doubleOptimized, doubleExpected)
}
}
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