/*
* 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.ExceededMemoryLimitException;
import com.facebook.presto.execution.TaskId;
import com.facebook.presto.operator.OrderByOperator.OrderByOperatorFactory;
import com.facebook.presto.spi.Page;
import com.facebook.presto.testing.MaterializedResult;
import com.google.common.collect.ImmutableList;
import io.airlift.units.DataSize;
import io.airlift.units.DataSize.Unit;
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.OperatorAssertion.toPages;
import static com.facebook.presto.operator.RowPagesBuilder.rowPagesBuilder;
import static com.facebook.presto.spi.block.SortOrder.ASC_NULLS_LAST;
import static com.facebook.presto.spi.block.SortOrder.DESC_NULLS_LAST;
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 TestOrderByOperator
{
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 testSingleFieldKey()
throws Exception
{
List<Page> input = rowPagesBuilder(BIGINT, DOUBLE)
.row(1, 0.1)
.row(2, 0.2)
.pageBreak()
.row(-1, -0.1)
.row(4, 0.4)
.build();
OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(
0,
ImmutableList.of(BIGINT, DOUBLE),
ImmutableList.of(1),
10,
ImmutableList.of(0),
ImmutableList.of(ASC_NULLS_LAST));
Operator operator = operatorFactory.createOperator(driverContext);
MaterializedResult expected = resultBuilder(driverContext.getSession(), DOUBLE)
.row(-0.1)
.row(0.1)
.row(0.2)
.row(0.4)
.build();
assertOperatorEquals(operator, input, expected);
}
@Test
public void testMultiFieldKey()
throws Exception
{
List<Page> input = rowPagesBuilder(VARCHAR, BIGINT)
.row("a", 1)
.row("b", 2)
.pageBreak()
.row("b", 3)
.row("a", 4)
.build();
OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(
0,
ImmutableList.of(VARCHAR, BIGINT),
ImmutableList.of(0, 1),
10,
ImmutableList.of(0, 1),
ImmutableList.of(ASC_NULLS_LAST, DESC_NULLS_LAST));
Operator operator = operatorFactory.createOperator(driverContext);
MaterializedResult expected = MaterializedResult.resultBuilder(driverContext.getSession(), VARCHAR, BIGINT)
.row("a", 4)
.row("a", 1)
.row("b", 3)
.row("b", 2)
.build();
assertOperatorEquals(operator, input, expected);
}
@Test
public void testReverseOrder()
throws Exception
{
List<Page> input = rowPagesBuilder(BIGINT, DOUBLE)
.row(1, 0.1)
.row(2, 0.2)
.pageBreak()
.row(-1, -0.1)
.row(4, 0.4)
.build();
OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(
0,
ImmutableList.of(BIGINT, DOUBLE),
ImmutableList.of(0),
10,
ImmutableList.of(0),
ImmutableList.of(DESC_NULLS_LAST));
Operator operator = operatorFactory.createOperator(driverContext);
MaterializedResult expected = resultBuilder(driverContext.getSession(), BIGINT)
.row(4)
.row(2)
.row(1)
.row(-1)
.build();
assertOperatorEquals(operator, input, expected);
}
@Test(expectedExceptions = ExceededMemoryLimitException.class, expectedExceptionsMessageRegExp = "Task exceeded max memory size of 10B")
public void testMemoryLimit()
throws Exception
{
List<Page> input = rowPagesBuilder(BIGINT, DOUBLE)
.row(1, 0.1)
.row(2, 0.2)
.pageBreak()
.row(-1, -0.1)
.row(4, 0.4)
.build();
DriverContext driverContext = new TaskContext(new TaskId("query", "stage", "task"), executor, TEST_SESSION, new DataSize(10, Unit.BYTE))
.addPipelineContext(true, true)
.addDriverContext();
OrderByOperatorFactory operatorFactory = new OrderByOperatorFactory(
0,
ImmutableList.of(BIGINT, DOUBLE),
ImmutableList.of(1),
10,
ImmutableList.of(0),
ImmutableList.of(ASC_NULLS_LAST));
Operator operator = operatorFactory.createOperator(driverContext);
toPages(operator, input);
}
}