Examples with FragmentRoot org.apache.drill.exec.physical.base.FragmentRoot used on opensource projects

Example 21 with FragmentRoot

use of org.apache.drill.exec.physical.base.FragmentRoot in project drill by apache.

the class PhysicalPlanReader method readFragmentOperator.

public FragmentRoot readFragmentOperator(String json) throws JsonProcessingException, IOException {
    logger.debug("Attempting to read {}", json);
    PhysicalOperator op = operatorReader.readValue(json);
    if (op instanceof FragmentLeaf) {
        return (FragmentRoot) op;
    } else {
        throw new UnsupportedOperationException(String.format("The provided json fragment doesn't have a FragmentRoot as its root operator.  The operator was %s.", op.getClass().getCanonicalName()));
    }
}

Example 22 with FragmentRoot

use of org.apache.drill.exec.physical.base.FragmentRoot in project drill by apache.

the class SimpleParallelizer method generateWorkUnit.

protected QueryWorkUnit generateWorkUnit(OptionList options, DrillbitEndpoint foremanNode, QueryId queryId, PhysicalPlanReader reader, Fragment rootNode, PlanningSet planningSet, UserSession session, QueryContextInformation queryContextInfo) throws ExecutionSetupException {
    List<PlanFragment> fragments = Lists.newArrayList();
    PlanFragment rootFragment = null;
    FragmentRoot rootOperator = null;
    // assigned before we can materialize, so we start a new loop here rather than utilizing the previous one.
    for (Wrapper wrapper : planningSet) {
        Fragment node = wrapper.getNode();
        final PhysicalOperator physicalOperatorRoot = node.getRoot();
        boolean isRootNode = rootNode == node;
        if (isRootNode && wrapper.getWidth() != 1) {
            throw new ForemanSetupException(String.format("Failure while trying to setup fragment. " + "The root fragment must always have parallelization one. In the current case, the width was set to %d.", wrapper.getWidth()));
        }
        // a fragment is self driven if it doesn't rely on any other exchanges.
        boolean isLeafFragment = node.getReceivingExchangePairs().size() == 0;
        // Create a minorFragment for each major fragment.
        for (int minorFragmentId = 0; minorFragmentId < wrapper.getWidth(); minorFragmentId++) {
            IndexedFragmentNode iNode = new IndexedFragmentNode(minorFragmentId, wrapper);
            wrapper.resetAllocation();
            PhysicalOperator op = physicalOperatorRoot.accept(Materializer.INSTANCE, iNode);
            Preconditions.checkArgument(op instanceof FragmentRoot);
            FragmentRoot root = (FragmentRoot) op;
            // get plan as JSON
            String plan;
            String optionsData;
            try {
                plan = reader.writeJson(root);
                optionsData = reader.writeJson(options);
            } catch (JsonProcessingException e) {
                throw new ForemanSetupException("Failure while trying to convert fragment into json.", e);
            }
            FragmentHandle handle = //
            FragmentHandle.newBuilder().setMajorFragmentId(//
            wrapper.getMajorFragmentId()).setMinorFragmentId(//
            minorFragmentId).setQueryId(//
            queryId).build();
            PlanFragment fragment = //
            PlanFragment.newBuilder().setForeman(//
            foremanNode).setFragmentJson(//
            plan).setHandle(//
            handle).setAssignment(//
            wrapper.getAssignedEndpoint(minorFragmentId)).setLeafFragment(//
            isLeafFragment).setContext(queryContextInfo).setMemInitial(//
            wrapper.getInitialAllocation()).setMemMax(wrapper.getMaxAllocation()).setOptionsJson(optionsData).setCredentials(session.getCredentials()).addAllCollector(CountRequiredFragments.getCollectors(root)).build();
            if (isRootNode) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Root fragment:\n {}", DrillStringUtils.unescapeJava(fragment.toString()));
                }
                rootFragment = fragment;
                rootOperator = root;
            } else {
                if (logger.isDebugEnabled()) {
                    logger.debug("Remote fragment:\n {}", DrillStringUtils.unescapeJava(fragment.toString()));
                }
                fragments.add(fragment);
            }
        }
    }
    return new QueryWorkUnit(rootOperator, rootFragment, fragments);
}

Example 23 with FragmentRoot

use of org.apache.drill.exec.physical.base.FragmentRoot in project drill by apache.

the class TestSimpleFunctions method testByteSubstring.

@Test
public void testByteSubstring(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable {
    mockDrillbitContext(bitContext);
    final PhysicalPlanReader reader = PhysicalPlanReaderTestFactory.defaultPhysicalPlanReader(c);
    final PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/testByteSubstring.json"), Charsets.UTF_8));
    final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    final FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    final SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
    while (exec.next()) {
        final NullableVarBinaryVector c1 = exec.getValueVectorById(new SchemaPath("col3", ExpressionPosition.UNKNOWN), NullableVarBinaryVector.class);
        final NullableVarBinaryVector.Accessor a1 = c1.getAccessor();
        int count = 0;
        for (int i = 0; i < c1.getAccessor().getValueCount(); i++) {
            if (!a1.isNull(i)) {
                final NullableVarBinaryHolder holder = new NullableVarBinaryHolder();
                a1.get(i, holder);
                assertEquals("aa", StringFunctionHelpers.toStringFromUTF8(holder.start, holder.end, holder.buffer));
                ++count;
            }
        }
        assertEquals(50, count);
    }
    if (context.getFailureCause() != null) {
        throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
}

Example 24 with FragmentRoot

use of org.apache.drill.exec.physical.base.FragmentRoot in project drill by apache.

the class TestSimpleFunctions method testSubstringNegative.

@Test
public void testSubstringNegative(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable {
    mockDrillbitContext(bitContext);
    final PhysicalPlanReader reader = PhysicalPlanReaderTestFactory.defaultPhysicalPlanReader(c);
    final PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/testSubstringNegative.json"), Charsets.UTF_8));
    final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    final FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    final SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
    while (exec.next()) {
        final NullableVarCharVector c1 = exec.getValueVectorById(new SchemaPath("col3", ExpressionPosition.UNKNOWN), NullableVarCharVector.class);
        final NullableVarCharVector.Accessor a1 = c1.getAccessor();
        int count = 0;
        for (int i = 0; i < c1.getAccessor().getValueCount(); i++) {
            if (!a1.isNull(i)) {
                final NullableVarCharHolder holder = new NullableVarCharHolder();
                a1.get(i, holder);
                //when offset is negative, substring return empty string.
                assertEquals("", StringFunctionHelpers.toStringFromUTF8(holder.start, holder.end, holder.buffer));
                ++count;
            }
        }
        assertEquals(50, count);
    }
    if (context.getFailureCause() != null) {
        throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
}

Example 25 with FragmentRoot

use of org.apache.drill.exec.physical.base.FragmentRoot in project drill by apache.

the class TestSimpleFunctions method testSubstring.

@Test
public void testSubstring(@Injectable final DrillbitContext bitContext, @Injectable UserClientConnection connection) throws Throwable {
    mockDrillbitContext(bitContext);
    final PhysicalPlanReader reader = PhysicalPlanReaderTestFactory.defaultPhysicalPlanReader(c);
    final PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile("/functions/testSubstring.json"), Charsets.UTF_8));
    final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    final FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    final SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
    while (exec.next()) {
        final NullableVarCharVector c1 = exec.getValueVectorById(new SchemaPath("col3", ExpressionPosition.UNKNOWN), NullableVarCharVector.class);
        final NullableVarCharVector.Accessor a1 = c1.getAccessor();
        int count = 0;
        for (int i = 0; i < c1.getAccessor().getValueCount(); i++) {
            if (!a1.isNull(i)) {
                final NullableVarCharHolder holder = new NullableVarCharHolder();
                a1.get(i, holder);
                assertEquals("aaaa", StringFunctionHelpers.toStringFromUTF8(holder.start, holder.end, holder.buffer));
                ++count;
            }
        }
        assertEquals(50, count);
    }
    if (context.getFailureCause() != null) {
        throw context.getFailureCause();
    }
    assertTrue(!context.isFailed());
}