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

Example 6 with BroadcastPartitioningProperty

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

the class NestedLoopJoinPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    if (partitioningType != JoinPartitioningType.BROADCAST) {
        throw new NotImplementedException(partitioningType + " nested loop joins are not implemented.");
    }
    StructuralPropertiesVector[] pv = new StructuralPropertiesVector[2];
    // TODO: leverage statistics to make better decisions.
    pv[0] = OperatorPropertiesUtil.checkUnpartitionedAndGetPropertiesVector(op, new StructuralPropertiesVector(new RandomPartitioningProperty(context.getComputationNodeDomain()), null));
    pv[1] = OperatorPropertiesUtil.checkUnpartitionedAndGetPropertiesVector(op, new StructuralPropertiesVector(new BroadcastPartitioningProperty(context.getComputationNodeDomain()), null));
    return new PhysicalRequirements(pv, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 7 with BroadcastPartitioningProperty

use of org.apache.hyracks.algebricks.core.algebra.properties.BroadcastPartitioningProperty 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);
    }
}