use of com.facebook.presto.sql.planner.CompilerConfig in project presto by prestodb.
the class LocalQueryRunner method createDrivers.
public List<Driver> createDrivers(Session session, @Language("SQL") String sql, OutputFactory outputFactory, TaskContext taskContext) {
Plan plan = createPlan(session, sql);
if (printPlan) {
System.out.println(PlanPrinter.textLogicalPlan(plan.getRoot(), plan.getTypes(), metadata, session));
}
SubPlan subplan = PlanFragmenter.createSubPlans(session, metadata, plan);
if (!subplan.getChildren().isEmpty()) {
throw new AssertionError("Expected subplan to have no children");
}
LocalExecutionPlanner executionPlanner = new LocalExecutionPlanner(metadata, sqlParser, Optional.empty(), pageSourceManager, indexManager, nodePartitioningManager, pageSinkManager, null, expressionCompiler, joinFilterFunctionCompiler, new IndexJoinLookupStats(), // make sure tests fail if compiler breaks
new CompilerConfig().setInterpreterEnabled(false), new TaskManagerConfig().setTaskConcurrency(4), spillerFactory, blockEncodingSerde, new PagesIndex.TestingFactory(), new JoinCompiler(), new LookupJoinOperators(new JoinProbeCompiler()));
// plan query
LocalExecutionPlan localExecutionPlan = executionPlanner.plan(session, subplan.getFragment().getRoot(), subplan.getFragment().getPartitioningScheme().getOutputLayout(), plan.getTypes(), outputFactory);
// generate sources
List<TaskSource> sources = new ArrayList<>();
long sequenceId = 0;
for (TableScanNode tableScan : findTableScanNodes(subplan.getFragment().getRoot())) {
TableLayoutHandle layout = tableScan.getLayout().get();
SplitSource splitSource = splitManager.getSplits(session, layout);
ImmutableSet.Builder<ScheduledSplit> scheduledSplits = ImmutableSet.builder();
while (!splitSource.isFinished()) {
for (Split split : getFutureValue(splitSource.getNextBatch(1000))) {
scheduledSplits.add(new ScheduledSplit(sequenceId++, tableScan.getId(), split));
}
}
sources.add(new TaskSource(tableScan.getId(), scheduledSplits.build(), true));
}
// create drivers
List<Driver> drivers = new ArrayList<>();
Map<PlanNodeId, DriverFactory> driverFactoriesBySource = new HashMap<>();
for (DriverFactory driverFactory : localExecutionPlan.getDriverFactories()) {
for (int i = 0; i < driverFactory.getDriverInstances().orElse(1); i++) {
if (driverFactory.getSourceId().isPresent()) {
checkState(driverFactoriesBySource.put(driverFactory.getSourceId().get(), driverFactory) == null);
} else {
DriverContext driverContext = taskContext.addPipelineContext(driverFactory.getPipelineId(), driverFactory.isInputDriver(), driverFactory.isOutputDriver()).addDriverContext();
Driver driver = driverFactory.createDriver(driverContext);
drivers.add(driver);
}
}
}
// add sources to the drivers
for (TaskSource source : sources) {
DriverFactory driverFactory = driverFactoriesBySource.get(source.getPlanNodeId());
checkState(driverFactory != null);
for (ScheduledSplit split : source.getSplits()) {
DriverContext driverContext = taskContext.addPipelineContext(driverFactory.getPipelineId(), driverFactory.isInputDriver(), driverFactory.isOutputDriver()).addDriverContext();
Driver driver = driverFactory.createDriver(driverContext);
driver.updateSource(new TaskSource(split.getPlanNodeId(), ImmutableSet.of(split), true));
drivers.add(driver);
}
}
for (DriverFactory driverFactory : localExecutionPlan.getDriverFactories()) {
driverFactory.close();
}
return ImmutableList.copyOf(drivers);
}
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