Package org.apache.phoenix.expression

Examples of org.apache.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() {}
   
    protected 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 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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            ParseNode node = splitNodes.get(i);
            if (!node.isConstant()) {
                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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    @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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    }

    @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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                    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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                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]);
                    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);
                            }
                        }
                        throw new IllegalStateException("Unable to coerce default value " + strValue + " to any of the allowed types of " + Arrays.toString(this.getAllowedTypes()));
                    }
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            if (!valueNode.isConstant()) {
                throw new SQLExceptionInfo.Builder(SQLExceptionCode.VALUE_IN_UPSERT_NOT_CONSTANT).build().buildException();
            }
            PColumn column = allColumns.get(columnIndexes[nodeIndex]);
            expressionBuilder.setColumn(column);
            LiteralExpression literalExpression = (LiteralExpression)valueNode.accept(expressionBuilder);
            byte[] byteValue = literalExpression.getBytes();
            if (literalExpression.getDataType() != null) {
                // If ColumnModifier from expression in SELECT doesn't match the
                // column being projected into then invert the bits.
                if (literalExpression.getColumnModifier() != column.getColumnModifier()) {
                    byte[] tempByteValue = Arrays.copyOf(byteValue, byteValue.length);
                    byteValue = ColumnModifier.SORT_DESC.apply(byteValue, 0, tempByteValue, 0, byteValue.length);
                }
                if (!literalExpression.getDataType().isCoercibleTo(column.getDataType(), literalExpression.getValue())) {
                    throw new TypeMismatchException(
                        literalExpression.getDataType(), column.getDataType(), "expression: "
                                + literalExpression.toString() + " in column " + column);
                }
                if (!column.getDataType().isSizeCompatible(literalExpression.getDataType(),
                        literalExpression.getValue(), byteValue, literalExpression.getMaxLength(),
                        column.getMaxLength(), literalExpression.getScale(), column.getScale())) {
                    throw new SQLExceptionInfo.Builder(
                        SQLExceptionCode.DATA_INCOMPATIBLE_WITH_TYPE).setColumnName(column.getName().getString())
                        .setMessage("value=" + literalExpression.toString()).build().buildException();
                }
            }
            byteValue = column.getDataType().coerceBytes(byteValue, literalExpression.getValue(),
                    literalExpression.getDataType(), literalExpression.getMaxLength(), literalExpression.getScale(),
                    column.getMaxLength(), column.getScale());
            values[nodeIndex] = byteValue;
            nodeIndex++;
        }
        return new MutationPlan() {
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Related Classes of org.apache.phoenix.expression.LiteralExpression

  • org.apache.phoenix.arithmetic.ArithmeticOperationTest
  • org.apache.phoenix.compile.CreateIndexCompiler
  • org.apache.phoenix.compile.CreateTableCompiler
  • org.apache.phoenix.compile.ExpressionCompiler
  • org.apache.phoenix.compile.UpsertCompiler
  • org.apache.phoenix.expression.function.RegexpSubstrFunction
  • org.apache.phoenix.expression.function.RoundDecimalExpression
  • org.apache.phoenix.expression.function.RoundTimestampExpression
  • org.apache.phoenix.expression.function.SubstrFunction
  • org.apache.phoenix.parse.FunctionParseNode
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