Examples with AggregationRefNode com.yahoo.searchlib.expression.AggregationRefNode used on opensource projects

Example 1 with AggregationRefNode

use of com.yahoo.searchlib.expression.AggregationRefNode in project vespa by vespa-engine.

the class GroupingExecutorTestCase method requireThatGroupRelevanceCanBeSynthesized.

@Test
public void requireThatGroupRelevanceCanBeSynthesized() {
    Query query = newQuery();
    GroupingRequest req = GroupingRequest.newInstance(query);
    req.setRootOperation(GroupingOperation.fromString("all(group(foo) order(count()) each(output(count())))"));
    Grouping grp = new Grouping(0);
    grp.setRoot(new com.yahoo.searchlib.aggregation.Group().addChild(new com.yahoo.searchlib.aggregation.Group().setId(new StringResultNode("foo")).addAggregationResult(new CountAggregationResult(1)).addOrderBy(new AggregationRefNode(0), true)).addChild(new com.yahoo.searchlib.aggregation.Group().setId(new StringResultNode("bar")).addAggregationResult(new CountAggregationResult(2)).addOrderBy(new AggregationRefNode(0), true)));
    Result res = newExecution(new GroupingExecutor(), new ResultProvider(Arrays.asList(new GroupingListHit(Arrays.asList(grp), null), new GroupingListHit(Arrays.asList(grp), null)))).search(query);
    GroupList groupList = (GroupList) req.getResultGroup(res).get(0);
    assertEquals(1.0, groupList.get(0).getRelevance().getScore(), 1E-6);
    assertEquals(0.5, groupList.get(1).getRelevance().getScore(), 1E-6);
}

Example 2 with AggregationRefNode

use of com.yahoo.searchlib.expression.AggregationRefNode in project vespa by vespa-engine.

the class Group method addOrderBy.

/**
 * <p>Adds an order-by expression to this group. If the expression is an AggregationResult, it will be added to the
 * list of this group's AggregationResults, and a reference to that expression is added instead. If the
 * AggregationResult is already present, a reference to THAT result is created instead.</p>
 *
 * @param exp The result to add.
 * @param asc True to sort ascending, false to sort descending.
 * @return This, to allow chaining.
 */
public Group addOrderBy(ExpressionNode exp, boolean asc) {
    if (exp instanceof AggregationResult) {
        exp = new AggregationRefNode((AggregationResult) exp);
    }
    exp.select(REF_LOCATOR, new RefResolver(this));
    orderByExp.add(exp);
    orderByIdx.add((asc ? 1 : -1) * orderByExp.size());
    return this;
}

Example 3 with AggregationRefNode

use of com.yahoo.searchlib.expression.AggregationRefNode in project vespa by vespa-engine.

the class ExpressionConverter method toExpressionNode.

/**
 * Converts the given ast type grouping expression to a corresponding back-end type expression.
 *
 * @param exp The expression to convert.
 * @return The corresponding back-end expression.
 * @throws UnsupportedOperationException Thrown if the given expression could not be converted.
 */
public ExpressionNode toExpressionNode(GroupingExpression exp) {
    if (exp instanceof AddFunction) {
        return addArguments(new AddFunctionNode(), (AddFunction) exp);
    }
    if (exp instanceof AggregatorNode) {
        return new AggregationRefNode(toAggregationResult(exp));
    }
    if (exp instanceof AndFunction) {
        return addArguments(new AndFunctionNode(), (AndFunction) exp);
    }
    if (exp instanceof AttributeValue) {
        return new AttributeNode(((AttributeValue) exp).getAttributeName());
    }
    if (exp instanceof AttributeFunction) {
        return new AttributeNode(((AttributeFunction) exp).getAttributeName());
    }
    if (exp instanceof CatFunction) {
        return addArguments(new CatFunctionNode(), (CatFunction) exp);
    }
    if (exp instanceof DebugWaitFunction) {
        return new DebugWaitFunctionNode(toExpressionNode(((DebugWaitFunction) exp).getArg(0)), ((DebugWaitFunction) exp).getWaitTime(), ((DebugWaitFunction) exp).getBusyWait());
    }
    if (exp instanceof DocIdNsSpecificValue) {
        return new GetDocIdNamespaceSpecificFunctionNode();
    }
    if (exp instanceof DoubleValue) {
        return new ConstantNode(new FloatResultNode(((DoubleValue) exp).getValue()));
    }
    if (exp instanceof DivFunction) {
        return addArguments(new DivideFunctionNode(), (DivFunction) exp);
    }
    if (exp instanceof FixedWidthFunction) {
        Number w = ((FixedWidthFunction) exp).getWidth();
        return new FixedWidthBucketFunctionNode(w instanceof Double ? new FloatResultNode(w.doubleValue()) : new IntegerResultNode(w.longValue()), toExpressionNode(((FixedWidthFunction) exp).getArg(0)));
    }
    if (exp instanceof LongValue) {
        return new ConstantNode(new IntegerResultNode(((LongValue) exp).getValue()));
    }
    if (exp instanceof MaxFunction) {
        return addArguments(new MaxFunctionNode(), (MaxFunction) exp);
    }
    if (exp instanceof Md5Function) {
        return new MD5BitFunctionNode().setNumBits(((Md5Function) exp).getNumBits()).addArg(toExpressionNode(((Md5Function) exp).getArg(0)));
    }
    if (exp instanceof UcaFunction) {
        UcaFunction uca = (UcaFunction) exp;
        return new UcaFunctionNode(toExpressionNode(uca.getArg(0)), uca.getLocale(), uca.getStrength());
    }
    if (exp instanceof MinFunction) {
        return addArguments(new MinFunctionNode(), (MinFunction) exp);
    }
    if (exp instanceof ModFunction) {
        return addArguments(new ModuloFunctionNode(), (ModFunction) exp);
    }
    if (exp instanceof MulFunction) {
        return addArguments(new MultiplyFunctionNode(), (MulFunction) exp);
    }
    if (exp instanceof NegFunction) {
        return new NegateFunctionNode(toExpressionNode(((NegFunction) exp).getArg(0)));
    }
    if (exp instanceof NormalizeSubjectFunction) {
        return new NormalizeSubjectFunctionNode(toExpressionNode(((NormalizeSubjectFunction) exp).getArg(0)));
    }
    if (exp instanceof NowFunction) {
        return new ConstantNode(new IntegerResultNode(System.currentTimeMillis() / 1000));
    }
    if (exp instanceof OrFunction) {
        return addArguments(new OrFunctionNode(), (OrFunction) exp);
    }
    if (exp instanceof PredefinedFunction) {
        return new RangeBucketPreDefFunctionNode(toBucketList((PredefinedFunction) exp), toExpressionNode(((PredefinedFunction) exp).getArg(0)));
    }
    if (exp instanceof RelevanceValue) {
        return new RelevanceNode();
    }
    if (exp instanceof ReverseFunction) {
        return new ReverseFunctionNode(toExpressionNode(((ReverseFunction) exp).getArg(0)));
    }
    if (exp instanceof SizeFunction) {
        return new NumElemFunctionNode(toExpressionNode(((SizeFunction) exp).getArg(0)));
    }
    if (exp instanceof SortFunction) {
        return new SortFunctionNode(toExpressionNode(((SortFunction) exp).getArg(0)));
    }
    if (exp instanceof ArrayAtLookup) {
        ArrayAtLookup aal = (ArrayAtLookup) exp;
        return new ArrayAtLookupNode(aal.getAttributeName(), toExpressionNode(aal.getIndexArgument()));
    }
    if (exp instanceof InterpolatedLookup) {
        InterpolatedLookup sarl = (InterpolatedLookup) exp;
        return new InterpolatedLookupNode(sarl.getAttributeName(), toExpressionNode(sarl.getLookupArgument()));
    }
    if (exp instanceof StrCatFunction) {
        return addArguments(new StrCatFunctionNode(), (StrCatFunction) exp);
    }
    if (exp instanceof StringValue) {
        return new ConstantNode(new StringResultNode(((StringValue) exp).getValue()));
    }
    if (exp instanceof StrLenFunction) {
        return new StrLenFunctionNode(toExpressionNode(((StrLenFunction) exp).getArg(0)));
    }
    if (exp instanceof SubFunction) {
        return toSubNode((SubFunction) exp);
    }
    if (exp instanceof ToDoubleFunction) {
        return new ToFloatFunctionNode(toExpressionNode(((ToDoubleFunction) exp).getArg(0)));
    }
    if (exp instanceof ToLongFunction) {
        return new ToIntFunctionNode(toExpressionNode(((ToLongFunction) exp).getArg(0)));
    }
    if (exp instanceof ToRawFunction) {
        return new ToRawFunctionNode(toExpressionNode(((ToRawFunction) exp).getArg(0)));
    }
    if (exp instanceof ToStringFunction) {
        return new ToStringFunctionNode(toExpressionNode(((ToStringFunction) exp).getArg(0)));
    }
    if (exp instanceof DateFunction) {
        StrCatFunctionNode ret = new StrCatFunctionNode();
        GroupingExpression arg = ((DateFunction) exp).getArg(0);
        ret.addArg(new ToStringFunctionNode(toTime(arg, TimeStampFunctionNode.TimePart.Year)));
        ret.addArg(new ConstantNode(new StringResultNode("-")));
        ret.addArg(new ToStringFunctionNode(toTime(arg, TimeStampFunctionNode.TimePart.Month)));
        ret.addArg(new ConstantNode(new StringResultNode("-")));
        ret.addArg(new ToStringFunctionNode(toTime(arg, TimeStampFunctionNode.TimePart.MonthDay)));
        return ret;
    }
    if (exp instanceof MathSqrtFunction) {
        return new MathFunctionNode(toExpressionNode(((MathSqrtFunction) exp).getArg(0)), MathFunctionNode.Function.SQRT);
    }
    if (exp instanceof MathCbrtFunction) {
        return new MathFunctionNode(toExpressionNode(((MathCbrtFunction) exp).getArg(0)), MathFunctionNode.Function.CBRT);
    }
    if (exp instanceof MathLogFunction) {
        return new MathFunctionNode(toExpressionNode(((MathLogFunction) exp).getArg(0)), MathFunctionNode.Function.LOG);
    }
    if (exp instanceof MathLog1pFunction) {
        return new MathFunctionNode(toExpressionNode(((MathLog1pFunction) exp).getArg(0)), MathFunctionNode.Function.LOG1P);
    }
    if (exp instanceof MathLog10Function) {
        return new MathFunctionNode(toExpressionNode(((MathLog10Function) exp).getArg(0)), MathFunctionNode.Function.LOG10);
    }
    if (exp instanceof MathExpFunction) {
        return new MathFunctionNode(toExpressionNode(((MathExpFunction) exp).getArg(0)), MathFunctionNode.Function.EXP);
    }
    if (exp instanceof MathPowFunction) {
        return new MathFunctionNode(toExpressionNode(((MathPowFunction) exp).getArg(0)), MathFunctionNode.Function.POW).addArg(toExpressionNode(((MathPowFunction) exp).getArg(1)));
    }
    if (exp instanceof MathHypotFunction) {
        return new MathFunctionNode(toExpressionNode(((MathHypotFunction) exp).getArg(0)), MathFunctionNode.Function.HYPOT).addArg(toExpressionNode(((MathHypotFunction) exp).getArg(1)));
    }
    if (exp instanceof MathSinFunction) {
        return new MathFunctionNode(toExpressionNode(((MathSinFunction) exp).getArg(0)), MathFunctionNode.Function.SIN);
    }
    if (exp instanceof MathASinFunction) {
        return new MathFunctionNode(toExpressionNode(((MathASinFunction) exp).getArg(0)), MathFunctionNode.Function.ASIN);
    }
    if (exp instanceof MathCosFunction) {
        return new MathFunctionNode(toExpressionNode(((MathCosFunction) exp).getArg(0)), MathFunctionNode.Function.COS);
    }
    if (exp instanceof MathACosFunction) {
        return new MathFunctionNode(toExpressionNode(((MathACosFunction) exp).getArg(0)), MathFunctionNode.Function.ACOS);
    }
    if (exp instanceof MathTanFunction) {
        return new MathFunctionNode(toExpressionNode(((MathTanFunction) exp).getArg(0)), MathFunctionNode.Function.TAN);
    }
    if (exp instanceof MathATanFunction) {
        return new MathFunctionNode(toExpressionNode(((MathATanFunction) exp).getArg(0)), MathFunctionNode.Function.ATAN);
    }
    if (exp instanceof MathSinHFunction) {
        return new MathFunctionNode(toExpressionNode(((MathSinHFunction) exp).getArg(0)), MathFunctionNode.Function.SINH);
    }
    if (exp instanceof MathASinHFunction) {
        return new MathFunctionNode(toExpressionNode(((MathASinHFunction) exp).getArg(0)), MathFunctionNode.Function.ASINH);
    }
    if (exp instanceof MathCosHFunction) {
        return new MathFunctionNode(toExpressionNode(((MathCosHFunction) exp).getArg(0)), MathFunctionNode.Function.COSH);
    }
    if (exp instanceof MathACosHFunction) {
        return new MathFunctionNode(toExpressionNode(((MathACosHFunction) exp).getArg(0)), MathFunctionNode.Function.ACOSH);
    }
    if (exp instanceof MathTanHFunction) {
        return new MathFunctionNode(toExpressionNode(((MathTanHFunction) exp).getArg(0)), MathFunctionNode.Function.TANH);
    }
    if (exp instanceof MathATanHFunction) {
        return new MathFunctionNode(toExpressionNode(((MathATanHFunction) exp).getArg(0)), MathFunctionNode.Function.ATANH);
    }
    if (exp instanceof MathFloorFunction) {
        return new MathFunctionNode(toExpressionNode(((MathFloorFunction) exp).getArg(0)), MathFunctionNode.Function.FLOOR);
    }
    if (exp instanceof ZCurveXFunction) {
        return new ZCurveFunctionNode(toExpressionNode(((ZCurveXFunction) exp).getArg(0)), ZCurveFunctionNode.Dimension.X);
    }
    if (exp instanceof ZCurveYFunction) {
        return new ZCurveFunctionNode(toExpressionNode(((ZCurveYFunction) exp).getArg(0)), ZCurveFunctionNode.Dimension.Y);
    }
    if (exp instanceof DayOfMonthFunction) {
        return toTime(((DayOfMonthFunction) exp).getArg(0), TimeStampFunctionNode.TimePart.MonthDay);
    }
    if (exp instanceof DayOfWeekFunction) {
        return toTime(((DayOfWeekFunction) exp).getArg(0), TimeStampFunctionNode.TimePart.WeekDay);
    }
    if (exp instanceof DayOfYearFunction) {
        return toTime(((DayOfYearFunction) exp).getArg(0), TimeStampFunctionNode.TimePart.YearDay);
    }
    if (exp instanceof HourOfDayFunction) {
        return toTime(((HourOfDayFunction) exp).getArg(0), TimeStampFunctionNode.TimePart.Hour);
    }
    if (exp instanceof MinuteOfHourFunction) {
        return toTime(((MinuteOfHourFunction) exp).getArg(0), TimeStampFunctionNode.TimePart.Minute);
    }
    if (exp instanceof MonthOfYearFunction) {
        return toTime(((MonthOfYearFunction) exp).getArg(0), TimeStampFunctionNode.TimePart.Month);
    }
    if (exp instanceof SecondOfMinuteFunction) {
        return toTime(((SecondOfMinuteFunction) exp).getArg(0), TimeStampFunctionNode.TimePart.Second);
    }
    if (exp instanceof YearFunction) {
        return toTime(((YearFunction) exp).getArg(0), TimeStampFunctionNode.TimePart.Year);
    }
    if (exp instanceof XorFunction) {
        return addArguments(new XorFunctionNode(), (XorFunction) exp);
    }
    if (exp instanceof XorBitFunction) {
        return new XorBitFunctionNode().setNumBits(((XorBitFunction) exp).getNumBits()).addArg(toExpressionNode(((XorBitFunction) exp).getArg(0)));
    }
    if (exp instanceof YmumValue) {
        return new GetYMUMChecksumFunctionNode();
    }
    throw new UnsupportedOperationException("Can not convert '" + exp + "' of class " + exp.getClass().getName() + " to an expression.");
}