Package com.salesforce.phoenix.expression

Examples of com.salesforce.phoenix.expression.LiteralExpression

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            ParseNode node = splitNodes.get(i);
            if (!node.isStateless()) {
                throw new SQLExceptionInfo.Builder(SQLExceptionCode.SPLIT_POINT_NOT_CONSTANT)
                    .setMessage("Node: " + node).build().buildException();
            }
            LiteralExpression expression = (LiteralExpression)node.accept(expressionCompiler);
            splits[i] = expression.getBytes();
        }
        final MetaDataClient client = new MetaDataClient(connection);
       
        return new MutationPlan() {
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    public RoundDecimalExpression() {}
   
    public RoundDecimalExpression(List<Expression> children) {
        super(children);
        LiteralExpression scaleChild = (LiteralExpression)children.get(1);
        PDataType scaleType = scaleChild.getDataType();
        Object scaleValue = scaleChild.getValue();
        if(scaleValue != null) {
            if (scaleType.isCoercibleTo(PDataType.INTEGER, scaleValue)) {
                int scale = (Integer)PDataType.INTEGER.toObject(scaleValue, scaleType);
                if (scale >=0 && scale <= PDataType.MAX_PRECISION) {
                    this.scale = scale;
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    }

    @Override
    public OrderPreserving preservesOrder() {
        if (isOffsetConstant) {
            LiteralExpression literal = (LiteralExpression) getOffsetExpression();
            Number offsetNumber = (Number) literal.getValue();
            if (offsetNumber != null) {
                int offset = offsetNumber.intValue();
                if ((offset == 0 || offset == 1) && (!hasLengthExpression || isLengthConstant)) {
                    return OrderPreserving.YES_IF_LAST;
                }
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    @Override
    public Expression visitLeave(DivideParseNode node, List<Expression> children) throws SQLException {
        for (int i = 1; i < children.size(); i++) { // Compile time check for divide by zero and null
            Expression child = children.get(i);
                if (child.getDataType() != null && child instanceof LiteralExpression) {
                    LiteralExpression literal = (LiteralExpression)child;
                    if (literal.getDataType() == PDataType.DECIMAL) {
                        if (PDataType.DECIMAL.compareTo(literal.getValue(), BigDecimal.ZERO) == 0) {
                            throw new SQLExceptionInfo.Builder(SQLExceptionCode.DIVIDE_BY_ZERO).build().buildException();
                        }
                    } else {
                        if (literal.getDataType().compareTo(literal.getValue(), 0L, PDataType.LONG) == 0) {
                            throw new SQLExceptionInfo.Builder(SQLExceptionCode.DIVIDE_BY_ZERO).build().buildException();
                        }
                    }
                }
        }
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    public static Expression create (List<Expression> children) throws SQLException {
        Expression firstChild = children.get(0);
        PDataType firstChildDataType = firstChild.getDataType();
        String timeUnit = (String)((LiteralExpression)children.get(1)).getValue();
        LiteralExpression multiplierExpr = (LiteralExpression)children.get(2);
       
        /*
         * When rounding off timestamp to milliseconds, nanos play a part only when the multiplier value
         * is equal to 1. This is because for cases when multiplier value is greater than 1, number of nanos/multiplier
         * will always be less than half the nanos in a millisecond.
         */
        if((timeUnit == null || TimeUnit.MILLISECOND.toString().equalsIgnoreCase(timeUnit)) && ((Number)multiplierExpr.getValue()).intValue() == 1) {
            return new RoundTimestampExpression(children);
        }
        // Coerce TIMESTAMP to DATE, as the nanos has no affect
        List<Expression> newChildren = Lists.newArrayListWithExpectedSize(children.size());
        newChildren.add(CoerceExpression.create(firstChild, firstChildDataType == PDataType.TIMESTAMP ? PDataType.DATE : PDataType.UNSIGNED_DATE));
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                    if (!isCoercible) {
                        throw new ArgumentTypeMismatchException(Arrays.toString(args[i].getAllowedTypes()),
                                child.getDataType().toString(), info.getName() + " argument " + (i + 1));
                    }
                    if (child instanceof LiteralExpression) {
                        LiteralExpression valueExp = (LiteralExpression) child;
                        LiteralExpression minValue = args[i].getMinValue();
                        LiteralExpression maxValue = args[i].getMaxValue();
                        if (minValue != null && minValue.getDataType().compareTo(minValue.getValue(), valueExp.getValue(), valueExp.getDataType()) > 0) {
                            throw new ValueRangeExcpetion(minValue, maxValue == null ? "" : maxValue, valueExp.getValue(), info.getName() + " argument " + (i + 1));
                        }
                        if (maxValue != null && maxValue.getDataType().compareTo(maxValue.getValue(), valueExp.getValue(), valueExp.getDataType()) < 0) {
                            throw new ValueRangeExcpetion(minValue == null ? "" : minValue, maxValue, valueExp.getValue(), info.getName() + " argument " + (i + 1));
                        }
                    }
                }
                if (args[i].isConstant() && ! (child instanceof LiteralExpression) ) {
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    }

    @Override
    public OrderPreserving preservesOrder() {
        if (isOffsetConstant) {
            LiteralExpression literal = (LiteralExpression) getOffsetExpression();
            Number offsetNumber = (Number) literal.getValue();
            if (offsetNumber != null) {
                int offset = offsetNumber.intValue();
                if (offset == 0 || offset == 1) {
                    return OrderPreserving.YES_IF_LAST;
                }
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                this.maxValue = getExpFromConstant(argument.maxValue());
            }
        }

        private LiteralExpression getExpFromConstant(String strValue) {
            LiteralExpression exp = null;
            if (strValue.length() > 0) {
                SQLParser parser = new SQLParser(strValue);
                try {
                    LiteralParseNode node = parser.parseLiteral();
                    LiteralExpression defaultValue = LiteralExpression.newConstant(node.getValue(), this.allowedTypes[0], true);
                    if (this.getAllowedTypes().length > 0) {
                        for (PDataType type : this.getAllowedTypes()) {
                            if (defaultValue.getDataType() == null || defaultValue.getDataType().isCoercibleTo(type, node.getValue())) {
                                return LiteralExpression.newConstant(node.getValue(), type, true);
                            }
                        }
                        throw new IllegalStateException("Unable to coerce default value " + strValue + " to any of the allowed types of " + Arrays.toString(this.getAllowedTypes()));
                    }
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Related Classes of com.salesforce.phoenix.expression.LiteralExpression

  • com.salesforce.phoenix.compile.CreateIndexCompiler
  • com.salesforce.phoenix.compile.ExpressionCompiler
  • com.salesforce.phoenix.expression.function.RegexpSubstrFunction
  • com.salesforce.phoenix.expression.function.RoundDecimalExpression
  • com.salesforce.phoenix.expression.function.RoundTimestampExpression
  • com.salesforce.phoenix.expression.function.SubstrFunction
  • com.salesforce.phoenix.parse.FunctionParseNode
  • com.salesforce.phoenix.parse.FunctionParseNode$BuiltInFunctionArgInfo
  • com.salesforce.phoenix.schema.PDataType
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