Examples with LogicalVariable org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable used on opensource projects

Example 46 with LogicalVariable

use of org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable in project asterixdb by apache.

the class InsertDeleteUpsertPOperator method getRequiredPropertiesForChildren.

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

Example 47 with LogicalVariable

use of org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable in project asterixdb by apache.

the class IntersectPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator iop, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    IntersectOperator intersectOp = (IntersectOperator) iop;
    StructuralPropertiesVector[] pv = new StructuralPropertiesVector[intersectOp.getNumInput()];
    for (int i = 0; i < intersectOp.getNumInput(); i++) {
        List<ILocalStructuralProperty> localProps = new ArrayList<>();
        List<OrderColumn> orderColumns = new ArrayList<>();
        for (LogicalVariable column : intersectOp.getInputVariables(i)) {
            orderColumns.add(new OrderColumn(column, OrderOperator.IOrder.OrderKind.ASC));
        }
        localProps.add(new LocalOrderProperty(orderColumns));
        IPartitioningProperty pp = null;
        if (intersectOp.getExecutionMode() == AbstractLogicalOperator.ExecutionMode.PARTITIONED) {
            Set<LogicalVariable> partitioningVariables = new HashSet<>(intersectOp.getInputVariables(i));
            pp = new UnorderedPartitionedProperty(partitioningVariables, null);
        }
        pv[i] = new StructuralPropertiesVector(pp, localProps);
    }
    return new PhysicalRequirements(pv, IPartitioningRequirementsCoordinator.NO_COORDINATION);
}

Example 48 with LogicalVariable

use of org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable in project asterixdb by apache.

the class ExternalGroupByPOperator method computeColumnSet.

public void computeColumnSet(List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> gbyList) {
    columnSet.clear();
    for (Pair<LogicalVariable, Mutable<ILogicalExpression>> p : gbyList) {
        ILogicalExpression expr = p.second.getValue();
        if (expr.getExpressionTag() == LogicalExpressionTag.VARIABLE) {
            VariableReferenceExpression v = (VariableReferenceExpression) expr;
            columnSet.add(v.getVariableReference());
        }
    }
}

Example 49 with LogicalVariable

use of org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable in project asterixdb by apache.

the class ExternalGroupByPOperator method getRequiredPropertiesForChildren.

@Override
public PhysicalRequirements getRequiredPropertiesForChildren(ILogicalOperator op, IPhysicalPropertiesVector reqdByParent, IOptimizationContext context) {
    AbstractLogicalOperator aop = (AbstractLogicalOperator) op;
    if (aop.getExecutionMode() == ExecutionMode.PARTITIONED) {
        StructuralPropertiesVector[] pv = new StructuralPropertiesVector[1];
        pv[0] = new StructuralPropertiesVector(new UnorderedPartitionedProperty(new ListSet<LogicalVariable>(columnSet), context.getComputationNodeDomain()), null);
        return new PhysicalRequirements(pv, IPartitioningRequirementsCoordinator.NO_COORDINATION);
    } else {
        return emptyUnaryRequirements();
    }
}

Example 50 with LogicalVariable

use of org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable in project asterixdb by apache.

the class HashPartitionMergeExchangePOperator method computeDeliveredProperties.

@Override
public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) {
    IPartitioningProperty p = new UnorderedPartitionedProperty(new ListSet<LogicalVariable>(partitionFields), domain);
    AbstractLogicalOperator op2 = (AbstractLogicalOperator) op.getInputs().get(0).getValue();
    List<ILocalStructuralProperty> op2Locals = op2.getDeliveredPhysicalProperties().getLocalProperties();
    List<ILocalStructuralProperty> locals = new ArrayList<ILocalStructuralProperty>();
    for (ILocalStructuralProperty prop : op2Locals) {
        if (prop.getPropertyType() == PropertyType.LOCAL_ORDER_PROPERTY) {
            locals.add(prop);
        } else {
            break;
        }
    }
    this.deliveredProperties = new StructuralPropertiesVector(p, locals);
}