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

Example 1 with LogicalPropertiesVectorImpl

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

the class LogicalPropertiesVisitor method propagateCardinality.

private LogicalPropertiesVectorImpl propagateCardinality(ILogicalOperator op, IOptimizationContext context) {
    ILogicalOperator op0 = op.getInputs().get(0).getValue();
    ILogicalPropertiesVector v0 = context.getLogicalPropertiesVector(op0);
    if (v0 == null) {
        return null;
    }
    LogicalPropertiesVectorImpl v = new LogicalPropertiesVectorImpl();
    v.setNumberOfTuples(v0.getNumberOfTuples());
    context.putLogicalPropertiesVector(op, v);
    return v;
}

Example 2 with LogicalPropertiesVectorImpl

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

the class LogicalPropertiesVisitor method visitOrderOperator.

@Override
public Void visitOrderOperator(OrderOperator op, IOptimizationContext arg) throws AlgebricksException {
    Object annot1 = op.getAnnotations().get(OperatorAnnotations.CARDINALITY);
    if (annot1 == null) {
        return null;
    }
    Integer m = (Integer) annot1;
    LogicalPropertiesVectorImpl v = new LogicalPropertiesVectorImpl();
    v.setNumberOfTuples(m);
    Object annot2 = op.getAnnotations().get(OperatorAnnotations.MAX_NUMBER_FRAMES);
    if (annot2 != null) {
        Integer f = (Integer) annot2;
        v.setMaxOutputFrames(f);
    }
    arg.putLogicalPropertiesVector(op, v);
    return null;
}

Example 3 with LogicalPropertiesVectorImpl

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

the class LogicalPropertiesVisitor method visitAssignment.

private void visitAssignment(AbstractAssignOperator op, IOptimizationContext context) throws AlgebricksException {
    LogicalPropertiesVectorImpl v = propagateCardinality(op, context);
    if (v != null && v.getNumberOfTuples() != null) {
        IVariableEvalSizeEnvironment varSizeEnv = context.getVariableEvalSizeEnvironment();
        IExpressionEvalSizeComputer evalSize = context.getExpressionEvalSizeComputer();
        if (evalSize != null) {
            ILogicalOperator op0 = op.getInputs().get(0).getValue();
            ILogicalPropertiesVector v0 = context.getLogicalPropertiesVector(op0);
            if (v0 != null) {
                long frames0 = v0.getMaxOutputFrames();
                // added per tuple
                long overhead = 0;
                for (Mutable<ILogicalExpression> exprRef : op.getExpressions()) {
                    int sz = evalSize.getEvalSize(exprRef.getValue(), varSizeEnv);
                    if (sz == -1) {
                        return;
                    }
                    overhead += sz;
                }
                int frameSize = context.getPhysicalOptimizationConfig().getFrameSize();
                if (frameSize > 0) {
                    long sz = frames0 * frameSize + overhead * v.getNumberOfTuples();
                    int frames1 = (int) (sz / frameSize);
                    if (sz % frameSize > 0) {
                        frames1++;
                    }
                    v.setMaxOutputFrames(frames1);
                }
            }
        }
    }
}

Example 4 with LogicalPropertiesVectorImpl

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

the class LogicalPropertiesVisitor method propagateCardinalityAndFrameNumber.

public void propagateCardinalityAndFrameNumber(ILogicalOperator op, IOptimizationContext context) throws AlgebricksException {
    LogicalPropertiesVectorImpl v = propagateCardinality(op, context);
    // propagate also max number of frames (conservatively)
    ILogicalOperator op0 = op.getInputs().get(0).getValue();
    ILogicalPropertiesVector v0 = context.getLogicalPropertiesVector(op0);
    if (v0 != null) {
        v.setMaxOutputFrames(v0.getMaxOutputFrames());
    }
}