/*
* 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.operator.NestedLoopBuildOperator.NestedLoopBuildOperatorFactory;
import com.facebook.presto.spi.Page;
import com.facebook.presto.sql.planner.plan.PlanNodeId;
import com.facebook.presto.testing.TestingTaskContext;
import com.google.common.collect.ImmutableList;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
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.block.BlockAssertions.createLongSequenceBlock;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
import static io.airlift.concurrent.Threads.daemonThreadsNamed;
import static java.util.concurrent.Executors.newCachedThreadPool;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
@Test(singleThreaded = true)
public class TestNestedLoopBuildOperator
{
private ExecutorService executor;
@BeforeClass
public void setUp()
{
executor = newCachedThreadPool(daemonThreadsNamed("test-%s"));
}
@AfterClass
public void tearDown()
{
executor.shutdownNow();
}
@Test
public void testNestedLoopBuild()
throws Exception
{
TaskContext taskContext = createTaskContext();
NestedLoopBuildOperatorFactory nestedLoopBuildOperatorFactory = new NestedLoopBuildOperatorFactory(3, new PlanNodeId("test"), ImmutableList.of(BIGINT));
DriverContext driverContext = taskContext.addPipelineContext(0, true, true).addDriverContext();
NestedLoopBuildOperator nestedLoopBuildOperator = (NestedLoopBuildOperator) nestedLoopBuildOperatorFactory.createOperator(driverContext);
NestedLoopJoinPagesSupplier nestedLoopJoinPagesSupplier = nestedLoopBuildOperatorFactory.getNestedLoopJoinPagesSupplier();
assertFalse(nestedLoopJoinPagesSupplier.getPagesFuture().isDone());
// build pages
Page buildPage1 = new Page(3, createLongSequenceBlock(11, 14));
Page buildPageEmpty = new Page(0);
Page buildPage2 = new Page(3000, createLongSequenceBlock(4000, 7000));
nestedLoopBuildOperator.addInput(buildPage1);
nestedLoopBuildOperator.addInput(buildPageEmpty);
nestedLoopBuildOperator.addInput(buildPage2);
nestedLoopBuildOperator.finish();
assertTrue(nestedLoopJoinPagesSupplier.getPagesFuture().isDone());
List<Page> buildPages = nestedLoopJoinPagesSupplier.getPagesFuture().get().getPages();
assertEquals(buildPages.get(0), buildPage1);
assertEquals(buildPages.get(1), buildPage2);
assertEquals(buildPages.size(), 2);
}
@Test
public void testNestedLoopBuildNoBlock()
throws Exception
{
TaskContext taskContext = createTaskContext();
NestedLoopBuildOperatorFactory nestedLoopBuildOperatorFactory = new NestedLoopBuildOperatorFactory(3, new PlanNodeId("test"), ImmutableList.of());
DriverContext driverContext = taskContext.addPipelineContext(0, true, true).addDriverContext();
NestedLoopBuildOperator nestedLoopBuildOperator = (NestedLoopBuildOperator) nestedLoopBuildOperatorFactory.createOperator(driverContext);
NestedLoopJoinPagesSupplier nestedLoopJoinPagesSupplier = nestedLoopBuildOperatorFactory.getNestedLoopJoinPagesSupplier();
assertFalse(nestedLoopJoinPagesSupplier.getPagesFuture().isDone());
// build pages
Page buildPage1 = new Page(3);
Page buildPageEmpty = new Page(0);
Page buildPage2 = new Page(3000);
nestedLoopBuildOperator.addInput(buildPage1);
nestedLoopBuildOperator.addInput(buildPageEmpty);
nestedLoopBuildOperator.addInput(buildPage2);
nestedLoopBuildOperator.finish();
assertTrue(nestedLoopJoinPagesSupplier.getPagesFuture().isDone());
List<Page> buildPages = nestedLoopJoinPagesSupplier.getPagesFuture().get().getPages();
assertEquals(buildPages.get(0), buildPage1);
assertEquals(buildPages.get(1), buildPage2);
assertEquals(buildPages.size(), 2);
}
private TaskContext createTaskContext()
{
return TestingTaskContext.createTaskContext(executor, TEST_SESSION);
}
}