Examples with AbstractLogicalOperator org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator used on opensource projects

Example 56 with AbstractLogicalOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator in project asterixdb by apache.

the class EnforceStructuralPropertiesRule method isRedundantSort.

/*
     * We assume delivered to be already normalized.
     */
private boolean isRedundantSort(Mutable<ILogicalOperator> opRef, IPhysicalPropertiesVector delivered, IPhysicalPropertiesVector diffOfProperties, IOptimizationContext context) {
    AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
    if (op.getOperatorTag() != LogicalOperatorTag.ORDER || (op.getPhysicalOperator().getOperatorTag() != PhysicalOperatorTag.STABLE_SORT && op.getPhysicalOperator().getOperatorTag() != PhysicalOperatorTag.IN_MEMORY_STABLE_SORT) || delivered.getLocalProperties() == null) {
        return false;
    }
    AbstractStableSortPOperator sortOp = (AbstractStableSortPOperator) op.getPhysicalOperator();
    sortOp.computeLocalProperties(op);
    ILocalStructuralProperty orderProp = sortOp.getOrderProperty();
    return PropertiesUtil.matchLocalProperties(Collections.singletonList(orderProp), delivered.getLocalProperties(), context.getEquivalenceClassMap(op), context.getFDList(op));
}

Example 57 with AbstractLogicalOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator in project asterixdb by apache.

the class FactorRedundantGroupAndDecorVarsRule method rewritePost.

@Override
public boolean rewritePost(Mutable<ILogicalOperator> opRef, IOptimizationContext context) throws AlgebricksException {
    AbstractLogicalOperator op = (AbstractLogicalOperator) opRef.getValue();
    if (op.getOperatorTag() != LogicalOperatorTag.GROUP) {
        return false;
    }
    GroupByOperator gby = (GroupByOperator) op;
    Map<LogicalVariable, LogicalVariable> varRhsToLhs = new HashMap<LogicalVariable, LogicalVariable>();
    boolean gvChanged = factorRedundantRhsVars(gby.getGroupByList(), opRef, varRhsToLhs, context);
    boolean dvChanged = factorRedundantRhsVars(gby.getDecorList(), opRef, varRhsToLhs, context);
    return gvChanged || dvChanged;
}

Example 58 with AbstractLogicalOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator in project asterixdb by apache.

the class RangePartitionMergeExchangePOperator method computeDeliveredProperties.

@Override
public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) {
    List<LogicalVariable> varList = new ArrayList<LogicalVariable>();
    for (OrderColumn oc : partitioningFields) {
        varList.add(oc.getColumn());
    }
    IPartitioningProperty p = new UnorderedPartitionedProperty(new ListSet<LogicalVariable>(varList), 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);
}

Example 59 with AbstractLogicalOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator in project asterixdb by apache.

the class RunningAggregatePOperator method computeDeliveredProperties.

@Override
public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) {
    AbstractLogicalOperator op2 = (AbstractLogicalOperator) op.getInputs().get(0).getValue();
    deliveredProperties = (StructuralPropertiesVector) op2.getDeliveredPhysicalProperties().clone();
}

Example 60 with AbstractLogicalOperator

use of org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator in project asterixdb by apache.

the class SortMergeExchangePOperator method computeDeliveredProperties.

@Override
public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) throws AlgebricksException {
    AbstractLogicalOperator inp1 = (AbstractLogicalOperator) op.getInputs().get(0).getValue();
    IPhysicalPropertiesVector pv1 = inp1.getDeliveredPhysicalProperties();
    if (pv1 == null) {
        inp1.computeDeliveredPhysicalProperties(context);
        pv1 = inp1.getDeliveredPhysicalProperties();
    }
    List<OrderColumn> orderColumns = new ArrayList<OrderColumn>();
    List<ILocalStructuralProperty> localProps = new ArrayList<ILocalStructuralProperty>(sortColumns.length);
    for (ILocalStructuralProperty prop : pv1.getLocalProperties()) {
        if (prop.getPropertyType() == PropertyType.LOCAL_ORDER_PROPERTY) {
            LocalOrderProperty lop = (LocalOrderProperty) prop;
            for (OrderColumn oc : lop.getOrderColumns()) {
                if (oc.equals(sortColumns[orderColumns.size()])) {
                    orderColumns.add(oc);
                    if (orderColumns.size() == sortColumns.length) {
                        break;
                    }
                } else {
                    break;
                }
            }
        } else {
            continue;
        }
    }
    if (orderColumns.size() > 0) {
        localProps.add(new LocalOrderProperty(orderColumns));
    }
    this.deliveredProperties = new StructuralPropertiesVector(IPartitioningProperty.UNPARTITIONED, localProps);
}