/*
* Licensed 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 com.facebook.presto.operator;
import com.facebook.presto.execution.TaskId;
import com.facebook.presto.operator.AggregationOperator.AggregationOperatorFactory;
import com.facebook.presto.sql.analyzer.Session;
import com.facebook.presto.sql.planner.plan.AggregationNode.Step;
import com.facebook.presto.sql.tree.Input;
import com.facebook.presto.util.MaterializedResult;
import com.google.common.collect.ImmutableList;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.util.List;
import java.util.concurrent.ExecutorService;
import static com.facebook.presto.block.BlockAssertions.COMPOSITE_SEQUENCE_TUPLE_INFO;
import static com.facebook.presto.operator.AggregationFunctionDefinition.aggregation;
import static com.facebook.presto.operator.OperatorAssertion.assertOperatorEquals;
import static com.facebook.presto.operator.RowPagesBuilder.rowPagesBuilder;
import static com.facebook.presto.operator.aggregation.CountAggregation.COUNT;
import static com.facebook.presto.operator.aggregation.CountColumnAggregation.COUNT_COLUMN;
import static com.facebook.presto.operator.aggregation.DoubleSumAggregation.DOUBLE_SUM;
import static com.facebook.presto.operator.aggregation.LongAverageAggregation.LONG_AVERAGE;
import static com.facebook.presto.operator.aggregation.LongSumAggregation.LONG_SUM;
import static com.facebook.presto.operator.aggregation.VarBinaryMaxAggregation.VAR_BINARY_MAX;
import static com.facebook.presto.tuple.TupleInfo.SINGLE_LONG;
import static com.facebook.presto.tuple.TupleInfo.SINGLE_VARBINARY;
import static com.facebook.presto.tuple.TupleInfo.Type.DOUBLE;
import static com.facebook.presto.tuple.TupleInfo.Type.FIXED_INT_64;
import static com.facebook.presto.tuple.TupleInfo.Type.VARIABLE_BINARY;
import static com.facebook.presto.util.MaterializedResult.resultBuilder;
import static com.facebook.presto.util.Threads.daemonThreadsNamed;
import static java.util.concurrent.Executors.newCachedThreadPool;
public class TestAggregationOperator
{
private ExecutorService executor;
private DriverContext driverContext;
@BeforeMethod
public void setUp()
{
executor = newCachedThreadPool(daemonThreadsNamed("test"));
Session session = new Session("user", "source", "catalog", "schema", "address", "agent");
driverContext = new TaskContext(new TaskId("query", "stage", "task"), executor, session)
.addPipelineContext(true, true)
.addDriverContext();
}
@AfterMethod
public void tearDown()
{
executor.shutdownNow();
}
@Test
public void testAggregation()
throws Exception
{
List<Page> input = rowPagesBuilder(SINGLE_VARBINARY, SINGLE_LONG, SINGLE_VARBINARY, COMPOSITE_SEQUENCE_TUPLE_INFO)
.addSequencePage(100, 0, 0, 300, 500)
.build();
OperatorFactory operatorFactory = new AggregationOperatorFactory(
0,
Step.SINGLE,
ImmutableList.of(aggregation(COUNT, new Input(0, 0)),
aggregation(LONG_SUM, new Input(1, 0)),
aggregation(LONG_AVERAGE, new Input(1, 0)),
aggregation(VAR_BINARY_MAX, new Input(2, 0)),
aggregation(COUNT_COLUMN, new Input(0, 0)),
aggregation(LONG_SUM, new Input(3, 1)),
aggregation(DOUBLE_SUM, new Input(3, 2)),
aggregation(VAR_BINARY_MAX, new Input(3, 3))));
Operator operator = operatorFactory.createOperator(driverContext);
MaterializedResult expected = resultBuilder(FIXED_INT_64, FIXED_INT_64, DOUBLE, VARIABLE_BINARY, FIXED_INT_64, FIXED_INT_64, DOUBLE, VARIABLE_BINARY)
.row(100, 4950, 49.5, "399", 100, 54950, 54950.0, "599")
.build();
assertOperatorEquals(operator, input, expected);
}
}