/*
* 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.metadata.MetadataManager;
import com.facebook.presto.operator.AggregationOperator.AggregationOperatorFactory;
import com.facebook.presto.operator.aggregation.InternalAggregationFunction;
import com.facebook.presto.spi.Page;
import com.facebook.presto.spi.type.StandardTypes;
import com.facebook.presto.sql.planner.plan.AggregationNode.Step;
import com.facebook.presto.sql.tree.QualifiedName;
import com.facebook.presto.testing.MaterializedResult;
import com.google.common.base.Optional;
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.SessionTestUtils.TEST_SESSION;
import static com.facebook.presto.operator.OperatorAssertion.assertOperatorEquals;
import static com.facebook.presto.operator.RowPagesBuilder.rowPagesBuilder;
import static com.facebook.presto.operator.aggregation.AverageAggregations.LONG_AVERAGE;
import static com.facebook.presto.operator.aggregation.CountAggregation.COUNT;
import static com.facebook.presto.operator.aggregation.DoubleSumAggregation.DOUBLE_SUM;
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.spi.type.BigintType.BIGINT;
import static com.facebook.presto.spi.type.DoubleType.DOUBLE;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static com.facebook.presto.testing.MaterializedResult.resultBuilder;
import static io.airlift.concurrent.Threads.daemonThreadsNamed;
import static java.util.concurrent.Executors.newCachedThreadPool;
@Test(singleThreaded = true)
public class TestAggregationOperator
{
private ExecutorService executor;
private DriverContext driverContext;
@BeforeMethod
public void setUp()
{
executor = newCachedThreadPool(daemonThreadsNamed("test"));
driverContext = new TaskContext(new TaskId("query", "stage", "task"), executor, TEST_SESSION)
.addPipelineContext(true, true)
.addDriverContext();
}
@AfterMethod
public void tearDown()
{
executor.shutdownNow();
}
@Test
public void testAggregation()
throws Exception
{
MetadataManager metadata = new MetadataManager();
InternalAggregationFunction countVarcharColumn = metadata.resolveFunction(QualifiedName.of("count"), ImmutableList.of(StandardTypes.VARCHAR), false).getAggregationFunction();
List<Page> input = rowPagesBuilder(VARCHAR, BIGINT, VARCHAR, BIGINT, DOUBLE, VARCHAR)
.addSequencePage(100, 0, 0, 300, 500, 500, 500)
.build();
OperatorFactory operatorFactory = new AggregationOperatorFactory(
0,
Step.SINGLE,
ImmutableList.of(COUNT.bind(ImmutableList.of(0), Optional.<Integer>absent(), Optional.<Integer>absent(), 1.0),
LONG_SUM.bind(ImmutableList.of(1), Optional.<Integer>absent(), Optional.<Integer>absent(), 1.0),
LONG_AVERAGE.bind(ImmutableList.of(1), Optional.<Integer>absent(), Optional.<Integer>absent(), 1.0),
VAR_BINARY_MAX.bind(ImmutableList.of(2), Optional.<Integer>absent(), Optional.<Integer>absent(), 1.0),
countVarcharColumn.bind(ImmutableList.of(0), Optional.<Integer>absent(), Optional.<Integer>absent(), 1.0),
LONG_SUM.bind(ImmutableList.of(3), Optional.<Integer>absent(), Optional.<Integer>absent(), 1.0),
DOUBLE_SUM.bind(ImmutableList.of(4), Optional.<Integer>absent(), Optional.<Integer>absent(), 1.0),
VAR_BINARY_MAX.bind(ImmutableList.of(5), Optional.<Integer>absent(), Optional.<Integer>absent(), 1.0)));
Operator operator = operatorFactory.createOperator(driverContext);
MaterializedResult expected = resultBuilder(driverContext.getSession(), BIGINT, BIGINT, DOUBLE, VARCHAR, BIGINT, BIGINT, DOUBLE, VARCHAR)
.row(100, 4950, 49.5, "399", 100, 54950, 54950.0, "599")
.build();
assertOperatorEquals(operator, input, expected);
}
}