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

Example 16 with PhysicalRequirements

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

the class SinkWritePOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    WriteOperator write = (WriteOperator) op;
    IDataSink sink = write.getDataSink();
    IPartitioningProperty pp = sink.getPartitioningProperty();
    StructuralPropertiesVector[] r = new StructuralPropertiesVector[] { new StructuralPropertiesVector(pp, null) };
    return new PhysicalRequirements(r, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 17 with PhysicalRequirements

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

the class StreamLimitPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    AbstractLogicalOperator limitOp = (AbstractLogicalOperator) op;
    if (limitOp.getExecutionMode() == AbstractLogicalOperator.ExecutionMode.UNPARTITIONED) {
        StructuralPropertiesVector[] pv = new StructuralPropertiesVector[1];
        pv[0] = new StructuralPropertiesVector(IPartitioningProperty.UNPARTITIONED, null);
        return new PhysicalRequirements(pv, IPartitioningRequirementsCoordinator.NO_COORDINATION);
    } else {
        return emptyUnaryRequirements();
    }
}

Example 18 with PhysicalRequirements

use of org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements 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 19 with PhysicalRequirements

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

the class UnionAllPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    StructuralPropertiesVector pv0 = OperatorPropertiesUtil.checkUnpartitionedAndGetPropertiesVector(op, new StructuralPropertiesVector(new RandomPartitioningProperty(context.getComputationNodeDomain()), null));
    StructuralPropertiesVector pv1 = OperatorPropertiesUtil.checkUnpartitionedAndGetPropertiesVector(op, new StructuralPropertiesVector(new RandomPartitioningProperty(context.getComputationNodeDomain()), null));
    return new PhysicalRequirements(new StructuralPropertiesVector[] { pv0, pv1 }, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 20 with PhysicalRequirements

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

the class WriteResultPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    List<LogicalVariable> scanVariables = new ArrayList<LogicalVariable>();
    scanVariables.addAll(keys);
    scanVariables.add(new LogicalVariable(-1));
    IPhysicalPropertiesVector r = dataSource.getPropertiesProvider().computePropertiesVector(scanVariables);
    IPhysicalPropertiesVector[] requirements = new IPhysicalPropertiesVector[1];
    requirements[0] = r;
    return new PhysicalRequirements(requirements, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}