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/*
* 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 io.trino.execution;
import io.airlift.concurrent.SetThreadName;
import io.opentelemetry.api.trace.Span;
import io.opentelemetry.api.trace.Tracer;
import io.trino.Session;
import io.trino.event.SplitMonitor;
import io.trino.execution.buffer.OutputBuffer;
import io.trino.execution.executor.TaskExecutor;
import io.trino.memory.QueryContext;
import io.trino.operator.TaskContext;
import io.trino.sql.planner.LocalExecutionPlanner;
import io.trino.sql.planner.LocalExecutionPlanner.LocalExecutionPlan;
import io.trino.sql.planner.PlanFragment;
import java.util.concurrent.Executor;
import static com.google.common.base.Throwables.throwIfUnchecked;
import static io.trino.tracing.ScopedSpan.scopedSpan;
import static java.util.Objects.requireNonNull;
public class SqlTaskExecutionFactory
{
private final Executor taskNotificationExecutor;
private final TaskExecutor taskExecutor;
private final LocalExecutionPlanner planner;
private final SplitMonitor splitMonitor;
private final Tracer tracer;
private final boolean perOperatorCpuTimerEnabled;
private final boolean cpuTimerEnabled;
public SqlTaskExecutionFactory(
Executor taskNotificationExecutor,
TaskExecutor taskExecutor,
LocalExecutionPlanner planner,
SplitMonitor splitMonitor,
Tracer tracer,
TaskManagerConfig config)
{
this.taskNotificationExecutor = requireNonNull(taskNotificationExecutor, "taskNotificationExecutor is null");
this.taskExecutor = requireNonNull(taskExecutor, "taskExecutor is null");
this.planner = requireNonNull(planner, "planner is null");
this.splitMonitor = requireNonNull(splitMonitor, "splitMonitor is null");
this.tracer = requireNonNull(tracer, "tracer is null");
this.perOperatorCpuTimerEnabled = config.isPerOperatorCpuTimerEnabled();
this.cpuTimerEnabled = config.isTaskCpuTimerEnabled();
}
public SqlTaskExecution create(
Session session,
Span taskSpan,
QueryContext queryContext,
TaskStateMachine taskStateMachine,
OutputBuffer outputBuffer,
PlanFragment fragment,
Runnable notifyStatusChanged)
{
TaskContext taskContext = queryContext.addTaskContext(
taskStateMachine,
session,
notifyStatusChanged,
perOperatorCpuTimerEnabled,
cpuTimerEnabled);
LocalExecutionPlan localExecutionPlan;
try (SetThreadName _ = new SetThreadName("Task-%s", taskStateMachine.getTaskId())) {
try (var ignoredSpan = scopedSpan(tracer, "local-planner")) {
localExecutionPlan = planner.plan(
taskContext,
fragment.getRoot(),
fragment.getOutputPartitioningScheme(),
fragment.getPartitionedSources(),
outputBuffer);
}
catch (Throwable e) {
// planning failed
taskStateMachine.failed(e);
throwIfUnchecked(e);
throw new RuntimeException(e);
}
}
return new SqlTaskExecution(
taskStateMachine,
taskContext,
taskSpan,
outputBuffer,
localExecutionPlan,
taskExecutor,
splitMonitor,
tracer,
taskNotificationExecutor);
}
}