Examples with ILocalStructuralProperty org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty used on opensource projects

Example 16 with ILocalStructuralProperty

use of org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty in project asterixdb by apache.

the class BTreeSearchPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    if (requiresBroadcast) {
        // For primary indexes optimizing an equality condition we can reduce the broadcast requirement to hash partitioning.
        if (isPrimaryIndex && isEqCondition) {
            // If this is a composite primary index, then all of the keys should be provided.
            Index searchIndex = ((DataSourceIndex) idx).getIndex();
            int numberOfKeyFields = searchIndex.getKeyFieldNames().size();
            if (numberOfKeyFields < 2 || (lowKeyVarList.size() == numberOfKeyFields && highKeyVarList.size() == numberOfKeyFields)) {
                StructuralPropertiesVector[] pv = new StructuralPropertiesVector[1];
                ListSet<LogicalVariable> searchKeyVars = new ListSet<>();
                searchKeyVars.addAll(lowKeyVarList);
                searchKeyVars.addAll(highKeyVarList);
                // Also, add a local sorting property to enforce a sort before the primary-index operator.
                List<ILocalStructuralProperty> propsLocal = new ArrayList<>();
                List<OrderColumn> orderColumns = new ArrayList<>();
                for (LogicalVariable orderVar : searchKeyVars) {
                    orderColumns.add(new OrderColumn(orderVar, OrderKind.ASC));
                }
                propsLocal.add(new LocalOrderProperty(orderColumns));
                pv[0] = new StructuralPropertiesVector(new UnorderedPartitionedProperty(searchKeyVars, domain), propsLocal);
                return new PhysicalRequirements(pv, IPartitioningRequirementsCoordinator.NO_COORDINATION);
            }
        }
        StructuralPropertiesVector[] pv = new StructuralPropertiesVector[1];
        pv[0] = new StructuralPropertiesVector(new BroadcastPartitioningProperty(domain), null);
        return new PhysicalRequirements(pv, IPartitioningRequirementsCoordinator.NO_COORDINATION);
    } else {
        return super.getRequiredPropertiesForChildren(op, reqdByParent, context);
    }
}

Example 17 with ILocalStructuralProperty

use of org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty in project asterixdb by apache.

the class SortMergeExchangePOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    List<ILocalStructuralProperty> localProps = new ArrayList<ILocalStructuralProperty>(sortColumns.length);
    localProps.add(new LocalOrderProperty(Arrays.asList(sortColumns)));
    StructuralPropertiesVector[] r = new StructuralPropertiesVector[] { new StructuralPropertiesVector(null, localProps) };
    return new PhysicalRequirements(r, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 18 with ILocalStructuralProperty

use of org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty in project asterixdb by apache.

the class SubplanPOperator method computeDeliveredProperties.

@Override
public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) {
    AbstractLogicalOperator op2 = (AbstractLogicalOperator) op.getInputs().get(0).getValue();
    IPhysicalPropertiesVector childsProperties = op2.getPhysicalOperator().getDeliveredProperties();
    List<ILocalStructuralProperty> propsLocal = new ArrayList<>();
    if (childsProperties.getLocalProperties() != null) {
        propsLocal.addAll(childsProperties.getLocalProperties());
    }
    // ... get local properties for newly created variables...
    SubplanOperator subplan = (SubplanOperator) op;
    for (ILogicalPlan plan : subplan.getNestedPlans()) {
        for (Mutable<ILogicalOperator> r : plan.getRoots()) {
            AbstractLogicalOperator rOp = (AbstractLogicalOperator) r.getValue();
            propsLocal.addAll(rOp.getPhysicalOperator().getDeliveredProperties().getLocalProperties());
        }
    }
    deliveredProperties = new StructuralPropertiesVector(childsProperties.getPartitioningProperty(), propsLocal);
}

Example 19 with ILocalStructuralProperty

use of org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty in project asterixdb by apache.

the class DataSourcePartitioningProvider method computePropertiesVector.

@Override
public IPhysicalPropertiesVector computePropertiesVector(List<LogicalVariable> scanVariables) {
    IPhysicalPropertiesVector propsVector;
    IPartitioningProperty pp;
    List<ILocalStructuralProperty> propsLocal = new ArrayList<>();
    switch(ds.getDatasourceType()) {
        case DataSource.Type.LOADABLE:
        case DataSource.Type.EXTERNAL_DATASET:
            pp = new RandomPartitioningProperty(domain);
            ds.computeLocalStructuralProperties(propsLocal, scanVariables);
            break;
        case DataSource.Type.FEED:
            pp = getFeedPartitioningProperty(ds, domain, scanVariables);
            break;
        case DataSource.Type.INTERNAL_DATASET:
            Set<LogicalVariable> pvars = new ListSet<>();
            pp = getInternalDatasetPartitioningProperty(ds, domain, scanVariables, pvars);
            propsLocal.add(new LocalOrderProperty(getOrderColumns(pvars)));
            break;
        default:
            throw new IllegalArgumentException();
    }
    propsVector = new StructuralPropertiesVector(pp, propsLocal);
    return propsVector;
}

Example 20 with ILocalStructuralProperty

use of org.apache.hyracks.algebricks.core.algebra.properties.ILocalStructuralProperty in project asterixdb by apache.

the class ExternalGroupByPOperator method computeDeliveredProperties.

@Override
public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) {
    List<ILocalStructuralProperty> propsLocal = new LinkedList<ILocalStructuralProperty>();
    GroupByOperator gOp = (GroupByOperator) op;
    Set<LogicalVariable> columnSet = new ListSet<LogicalVariable>();
    if (!columnSet.isEmpty()) {
        propsLocal.add(new LocalGroupingProperty(columnSet));
    }
    for (ILogicalPlan p : gOp.getNestedPlans()) {
        for (Mutable<ILogicalOperator> r : p.getRoots()) {
            ILogicalOperator rOp = r.getValue();
            propsLocal.addAll(rOp.getDeliveredPhysicalProperties().getLocalProperties());
        }
    }
    ILogicalOperator op2 = op.getInputs().get(0).getValue();
    IPhysicalPropertiesVector childProp = op2.getDeliveredPhysicalProperties();
    deliveredProperties = new StructuralPropertiesVector(childProp.getPartitioningProperty(), propsLocal);
}