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

Example 21 with PhysicalRequirements

use of org.apache.hyracks.algebricks.core.algebra.properties.PhysicalRequirements 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 22 with PhysicalRequirements

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

the class HashPartitionMergeExchangePOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    List<ILocalStructuralProperty> orderProps = new LinkedList<ILocalStructuralProperty>();
    List<OrderColumn> columns = new ArrayList<OrderColumn>();
    for (OrderColumn oc : orderColumns) {
        LogicalVariable var = oc.getColumn();
        columns.add(new OrderColumn(var, oc.getOrder()));
    }
    orderProps.add(new LocalOrderProperty(columns));
    StructuralPropertiesVector[] r = new StructuralPropertiesVector[] { new StructuralPropertiesVector(null, orderProps) };
    return new PhysicalRequirements(r, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 23 with PhysicalRequirements

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

the class IndexBulkloadPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    //skVarMap is used to remove duplicated variable references for order operator
    Map<Integer, Object> skVarMap = new HashMap<Integer, Object>();
    List<LogicalVariable> scanVariables = new ArrayList<>();
    scanVariables.addAll(primaryKeys);
    scanVariables.add(new LogicalVariable(-1));
    IPhysicalPropertiesVector physicalProps = dataSourceIndex.getDataSource().getPropertiesProvider().computePropertiesVector(scanVariables);
    List<ILocalStructuralProperty> localProperties = new ArrayList<>();
    List<OrderColumn> orderColumns = new ArrayList<OrderColumn>();
    // OR [token, PK] if the index is not partitioned
    for (LogicalVariable skVar : secondaryKeys) {
        if (!skVarMap.containsKey(skVar.getId())) {
            orderColumns.add(new OrderColumn(skVar, OrderKind.ASC));
            skVarMap.put(skVar.getId(), null);
        }
    }
    for (LogicalVariable pkVar : primaryKeys) {
        orderColumns.add(new OrderColumn(pkVar, OrderKind.ASC));
    }
    localProperties.add(new LocalOrderProperty(orderColumns));
    StructuralPropertiesVector spv = new StructuralPropertiesVector(physicalProps.getPartitioningProperty(), localProperties);
    return new PhysicalRequirements(new IPhysicalPropertiesVector[] { spv }, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 24 with PhysicalRequirements

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

the class IndexInsertDeleteUpsertPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    List<LogicalVariable> scanVariables = new ArrayList<LogicalVariable>();
    scanVariables.addAll(primaryKeys);
    scanVariables.add(new LogicalVariable(-1));
    for (int i = 0; i < numOfAdditionalNonFilteringFields; i++) {
        scanVariables.add(new LogicalVariable(-1));
    }
    IPhysicalPropertiesVector r = dataSourceIndex.getDataSource().getPropertiesProvider().computePropertiesVector(scanVariables);
    r.getLocalProperties().clear();
    IPhysicalPropertiesVector[] requirements = new IPhysicalPropertiesVector[1];
    requirements[0] = r;
    return new PhysicalRequirements(requirements, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}