use of org.apache.drill.exec.work.foreman.rm.QueryResourceAllocator in project drill by apache.
the class PlanSplitter method getFragments.
private List<PlanFragment> getFragments(final DrillbitContext dContext, final GetQueryPlanFragments req, final QueryContext queryContext, final QueryId queryId) throws Exception {
final PhysicalPlan plan;
final String query = req.getQuery();
switch(req.getType()) {
case SQL:
final Pointer<String> textPlan = new Pointer<>();
plan = DrillSqlWorker.getPlan(queryContext, query, textPlan);
break;
case PHYSICAL:
plan = dContext.getPlanReader().readPhysicalPlan(query);
break;
default:
throw new IllegalStateException("Planning fragments supports only SQL or PHYSICAL QueryType");
}
QueryResourceAllocator planner = dContext.getResourceManager().newResourceAllocator(queryContext);
planner.visitAbstractPlan(plan);
final PhysicalOperator rootOperator = plan.getSortedOperators(false).iterator().next();
final Fragment rootFragment = rootOperator.accept(MakeFragmentsVisitor.INSTANCE, null);
final SimpleParallelizer parallelizer = new SplittingParallelizer(plan.getProperties().hasResourcePlan, queryContext);
List<PlanFragment> fragments = Lists.newArrayList();
if (req.getSplitPlan()) {
final List<QueryWorkUnit> queryWorkUnits = parallelizer.getSplitFragments(queryContext.getOptions().getOptionList(), queryContext.getCurrentEndpoint(), queryId, queryContext.getActiveEndpoints(), dContext.getPlanReader(), rootFragment, queryContext.getSession(), queryContext.getQueryContextInfo());
for (QueryWorkUnit queryWorkUnit : queryWorkUnits) {
planner.visitPhysicalPlan(queryWorkUnit);
queryWorkUnit.applyPlan(dContext.getPlanReader());
fragments.add(queryWorkUnit.getRootFragment());
List<PlanFragment> childFragments = queryWorkUnit.getFragments();
if (!childFragments.isEmpty()) {
throw new IllegalStateException("Split plans can not have more then one fragment");
}
}
} else {
final QueryWorkUnit queryWorkUnit = parallelizer.generateWorkUnit(queryContext.getOptions().getOptionList(), queryContext.getCurrentEndpoint(), queryId, queryContext.getActiveEndpoints(), rootFragment, queryContext.getSession(), queryContext.getQueryContextInfo());
planner.visitPhysicalPlan(queryWorkUnit);
queryWorkUnit.applyPlan(dContext.getPlanReader());
fragments.add(queryWorkUnit.getRootFragment());
fragments.addAll(queryWorkUnit.getFragments());
}
return fragments;
}
use of org.apache.drill.exec.work.foreman.rm.QueryResourceAllocator in project drill by axbaretto.
the class PlanSplitter method getFragments.
private List<PlanFragment> getFragments(final DrillbitContext dContext, final GetQueryPlanFragments req, final QueryContext queryContext, final QueryId queryId) throws Exception {
final PhysicalPlan plan;
final String query = req.getQuery();
switch(req.getType()) {
case SQL:
final Pointer<String> textPlan = new Pointer<>();
plan = DrillSqlWorker.getPlan(queryContext, query, textPlan);
break;
case PHYSICAL:
plan = dContext.getPlanReader().readPhysicalPlan(query);
break;
default:
throw new IllegalStateException("Planning fragments supports only SQL or PHYSICAL QueryType");
}
QueryResourceAllocator planner = dContext.getResourceManager().newResourceAllocator(queryContext);
planner.visitAbstractPlan(plan);
final PhysicalOperator rootOperator = plan.getSortedOperators(false).iterator().next();
final Fragment rootFragment = rootOperator.accept(MakeFragmentsVisitor.INSTANCE, null);
final SimpleParallelizer parallelizer = new SplittingParallelizer(queryContext);
List<PlanFragment> fragments = Lists.newArrayList();
if (req.getSplitPlan()) {
final List<QueryWorkUnit> queryWorkUnits = parallelizer.getSplitFragments(queryContext.getOptions().getOptionList(), queryContext.getCurrentEndpoint(), queryId, queryContext.getActiveEndpoints(), dContext.getPlanReader(), rootFragment, queryContext.getSession(), queryContext.getQueryContextInfo());
for (QueryWorkUnit queryWorkUnit : queryWorkUnits) {
planner.visitPhysicalPlan(queryWorkUnit);
queryWorkUnit.applyPlan(dContext.getPlanReader());
fragments.add(queryWorkUnit.getRootFragment());
List<PlanFragment> childFragments = queryWorkUnit.getFragments();
if (!childFragments.isEmpty()) {
throw new IllegalStateException("Split plans can not have more then one fragment");
}
}
} else {
final QueryWorkUnit queryWorkUnit = parallelizer.getFragments(queryContext.getOptions().getOptionList(), queryContext.getCurrentEndpoint(), queryId, queryContext.getActiveEndpoints(), rootFragment, queryContext.getSession(), queryContext.getQueryContextInfo());
planner.visitPhysicalPlan(queryWorkUnit);
queryWorkUnit.applyPlan(dContext.getPlanReader());
fragments.add(queryWorkUnit.getRootFragment());
fragments.addAll(queryWorkUnit.getFragments());
}
return fragments;
}
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