/*
* 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.execution;
import com.facebook.presto.OutputBuffers;
import com.facebook.presto.ScheduledSplit;
import com.facebook.presto.TaskSource;
import com.facebook.presto.UnpartitionedPagePartitionFunction;
import com.facebook.presto.connector.dual.DualDataStreamProvider;
import com.facebook.presto.connector.dual.DualMetadata;
import com.facebook.presto.connector.dual.DualSplitManager;
import com.facebook.presto.event.query.QueryMonitor;
import com.facebook.presto.execution.TestSqlTaskManager.MockExchangeClientSupplier;
import com.facebook.presto.metadata.InMemoryNodeManager;
import com.facebook.presto.metadata.MetadataManager;
import com.facebook.presto.metadata.MockLocalStorageManager;
import com.facebook.presto.operator.RecordSinkManager;
import com.facebook.presto.spi.ColumnHandle;
import com.facebook.presto.spi.PartitionResult;
import com.facebook.presto.spi.SchemaTableName;
import com.facebook.presto.spi.Split;
import com.facebook.presto.spi.SplitSource;
import com.facebook.presto.spi.TableHandle;
import com.facebook.presto.spi.TupleDomain;
import com.facebook.presto.split.DataStreamManager;
import com.facebook.presto.sql.analyzer.Session;
import com.facebook.presto.sql.analyzer.Type;
import com.facebook.presto.sql.gen.ExpressionCompiler;
import com.facebook.presto.sql.planner.LocalExecutionPlanner;
import com.facebook.presto.sql.planner.PlanFragment;
import com.facebook.presto.sql.planner.PlanFragment.OutputPartitioning;
import com.facebook.presto.sql.planner.PlanFragment.PlanDistribution;
import com.facebook.presto.sql.planner.Symbol;
import com.facebook.presto.sql.planner.plan.PlanFragmentId;
import com.facebook.presto.sql.planner.plan.PlanNodeId;
import com.facebook.presto.sql.planner.plan.TableScanNode;
import com.facebook.presto.sql.planner.plan.TableScanNode.GeneratedPartitions;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import io.airlift.event.client.NullEventClient;
import io.airlift.json.ObjectMapperProvider;
import io.airlift.node.NodeInfo;
import io.airlift.units.DataSize;
import io.airlift.units.DataSize.Unit;
import io.airlift.units.Duration;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import java.io.File;
import java.net.URI;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import static com.facebook.presto.util.Threads.threadsNamed;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertTrue;
public class TestSqlTaskExecution
{
private TaskExecutor taskExecutor;
private Split split;
private ExecutorService taskNotificationExecutor;
private SqlTaskExecution taskExecution;
private OutputBuffers outputBuffers;
private PlanNodeId tableScanNodeId;
@BeforeMethod
public void setUp()
throws Exception
{
DualMetadata dualMetadata = new DualMetadata();
TableHandle tableHandle = dualMetadata.getTableHandle(new SchemaTableName("default", DualMetadata.NAME));
assertNotNull(tableHandle, "tableHandle is null");
ColumnHandle columnHandle = dualMetadata.getColumnHandle(tableHandle, DualMetadata.COLUMN_NAME);
assertNotNull(columnHandle, "columnHandle is null");
Symbol symbol = new Symbol(DualMetadata.COLUMN_NAME);
MetadataManager metadata = new MetadataManager();
metadata.addInternalSchemaMetadata(MetadataManager.INTERNAL_CONNECTOR_ID, dualMetadata);
DualSplitManager dualSplitManager = new DualSplitManager(new InMemoryNodeManager());
PartitionResult partitionResult = dualSplitManager.getPartitions(tableHandle, TupleDomain.all());
SplitSource splitSource = dualSplitManager.getPartitionSplits(tableHandle, partitionResult.getPartitions());
split = Iterables.getOnlyElement(splitSource.getNextBatch(1));
assertTrue(splitSource.isFinished());
LocalExecutionPlanner planner = new LocalExecutionPlanner(
new NodeInfo("test"),
metadata,
new DataStreamManager(new DualDataStreamProvider()),
new MockLocalStorageManager(new File("target/temp")),
new RecordSinkManager(),
new MockExchangeClientSupplier(),
new ExpressionCompiler(metadata));
taskExecutor = new TaskExecutor(8);
taskExecutor.start();
tableScanNodeId = new PlanNodeId("tableScan");
PlanFragment testFragment = new PlanFragment(
new PlanFragmentId("fragment"),
new TableScanNode(
tableScanNodeId,
tableHandle,
ImmutableList.of(symbol),
ImmutableMap.of(symbol, columnHandle),
null,
Optional.<GeneratedPartitions>absent()),
ImmutableMap.of(symbol, Type.VARCHAR),
PlanDistribution.SOURCE,
tableScanNodeId,
OutputPartitioning.NONE,
ImmutableList.<Symbol>of());
TaskId taskId = new TaskId("query", "stage", "task");
Session session = new Session("user", "test", "default", "default", "test", "test");
taskNotificationExecutor = Executors.newCachedThreadPool(threadsNamed("task-notification-%d"));
outputBuffers = OutputBuffers.INITIAL_EMPTY_OUTPUT_BUFFERS;
taskExecution = SqlTaskExecution.createSqlTaskExecution(
session,
taskId,
URI.create("fake://task/" + taskId),
testFragment,
ImmutableList.<TaskSource>of(),
outputBuffers,
planner,
new DataSize(32, Unit.MEGABYTE),
taskExecutor,
taskNotificationExecutor,
new DataSize(256, Unit.MEGABYTE),
new DataSize(8, Unit.MEGABYTE),
new QueryMonitor(new ObjectMapperProvider().get(), new NullEventClient(), new NodeInfo("test")),
false);
}
@AfterMethod
public void tearDown()
throws Exception
{
taskExecutor.stop();
taskNotificationExecutor.shutdownNow();
}
@Test
public void testBufferCloseOnFinish()
throws Exception
{
outputBuffers = outputBuffers.withBuffer("out", new UnpartitionedPagePartitionFunction()).withNoMoreBufferIds();
taskExecution.addResultQueue(outputBuffers);
BufferResult bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(0, TimeUnit.MILLISECONDS));
assertFalse(bufferResult.isBufferClosed());
bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(0, TimeUnit.MILLISECONDS));
assertFalse(bufferResult.isBufferClosed());
taskExecution.addSources(ImmutableList.of(new TaskSource(tableScanNodeId, ImmutableSet.<ScheduledSplit>of(), true)));
assertEquals(taskExecution.getTaskInfo(false).getState(), TaskState.FINISHED);
// buffer will be closed by cancel event (wait for 500 MS for event to fire)
bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(500, TimeUnit.MILLISECONDS));
assertTrue(bufferResult.isBufferClosed());
bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(500, TimeUnit.MILLISECONDS));
assertTrue(bufferResult.isBufferClosed());
}
@Test
public void testBufferCloseOnCancel()
throws Exception
{
outputBuffers = outputBuffers.withBuffer("out", new UnpartitionedPagePartitionFunction());
taskExecution.addResultQueue(outputBuffers);
BufferResult bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(0, TimeUnit.MILLISECONDS));
assertFalse(bufferResult.isBufferClosed());
bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(0, TimeUnit.MILLISECONDS));
assertFalse(bufferResult.isBufferClosed());
taskExecution.cancel();
assertEquals(taskExecution.getTaskInfo(false).getState(), TaskState.CANCELED);
// buffer will be closed by cancel event. event is async so wait for 500 MS for event to fire
bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(500, TimeUnit.MILLISECONDS));
assertTrue(bufferResult.isBufferClosed());
bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(500, TimeUnit.MILLISECONDS));
assertTrue(bufferResult.isBufferClosed());
}
@Test
public void testBufferNotCloseOnFail()
throws Exception
{
outputBuffers = outputBuffers.withBuffer("out", new UnpartitionedPagePartitionFunction()).withNoMoreBufferIds();
taskExecution.addResultQueue(outputBuffers);
BufferResult bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(0, TimeUnit.MILLISECONDS));
assertFalse(bufferResult.isBufferClosed());
bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(0, TimeUnit.MILLISECONDS));
assertFalse(bufferResult.isBufferClosed());
taskExecution.fail(new Exception("test"));
assertEquals(taskExecution.getTaskInfo(false).getState(), TaskState.FAILED);
// buffer will not be closed by fail event. event is async so wait for 500 MS for event to fire
bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(500, TimeUnit.MILLISECONDS));
assertFalse(bufferResult.isBufferClosed());
bufferResult = taskExecution.getResults("out", 0, new DataSize(1, Unit.MEGABYTE), new Duration(500, TimeUnit.MILLISECONDS));
assertFalse(bufferResult.isBufferClosed());
}
}