Package com.salesforce.phoenix.expression

Examples of com.salesforce.phoenix.expression.Expression.evaluate()

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    }

    @Override
    public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
        Expression expression = getExpression();
        if (!expression.evaluate(tuple, ptr)) {
            return false;
        }
        PDataType type = expression.getDataType();
        Object value = formatter.format(type.toObject(ptr, expression.getColumnModifier()));
        byte[] b = getDataType().toBytes(value);
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    }

    @Override
    public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
        Expression expression = getExpression();
        if (!expression.evaluate(tuple, ptr)) {
            return false;
        } else if (ptr.getLength() == 0) {
            return true;
        }
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    @Override
    public final Object getValue(Tuple tuple, PDataType type, ImmutableBytesWritable ptr) throws SQLException {
        try {
            Expression expression = getExpression();
            if (!expression.evaluate(tuple, ptr)) {
                return null;
            }
            if (ptr.getLength() == 0) {
                return null;
            }       
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    }

    @Override
    public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
        Expression childExpr = children.get(0);
        if(childExpr.evaluate(tuple, ptr)) {
            BigDecimal value = (BigDecimal)PDataType.DECIMAL.toObject(ptr, childExpr.getColumnModifier());
            BigDecimal scaledValue = value.setScale(scale, getRoundingMode());
            ptr.set(getDataType().toBytes(scaledValue));
            return true;
        }
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    }

    @Override
    public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
        Expression child = getStringExpression();
        if (!child.evaluate(tuple, ptr)) {
            return false;
        }
        if (ptr.getLength() == 0) {
            ptr.set(ByteUtil.EMPTY_BYTE_ARRAY);
            return true;
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    }

    @Override
    public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
        Expression offsetExpression = getOffsetExpression();
        if (!offsetExpression.evaluate(tuple,  ptr)) {
            return false;
        }
        int offset = offsetExpression.getDataType().getCodec().decodeInt(ptr, offsetExpression.getColumnModifier());
       
        int length = -1;
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        int offset = offsetExpression.getDataType().getCodec().decodeInt(ptr, offsetExpression.getColumnModifier());
       
        int length = -1;
        if (hasLengthExpression) {
            Expression lengthExpression = getLengthExpression();
            if (!lengthExpression.evaluate(tuple, ptr)) {
                return false;
            }
            length = lengthExpression.getDataType().getCodec().decodeInt(ptr, lengthExpression.getColumnModifier());
            if (length <= 0) {
                return false;
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    }
   
    @Override
    public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
        Expression child = children.get(0);
        if (!child.evaluate(tuple, ptr)) {
            return false;
        }
        if (ptr.getLength() == 0) {
            return true;
        }
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        @Override
        public Expression visitLeave(ComparisonParseNode node, List<Expression> children) throws SQLException {
            Expression literal = children.get(1);
            ImmutableBytesWritable ptr = context.getTempPtr();
            literal.evaluate(null, ptr);
            PColumn column = columnRef.getColumn();
            column.getDataType().coerceBytes(ptr, literal.getDataType(), literal.getColumnModifier(), column.getColumnModifier());
            viewColumns.put(columnRef, ByteUtil.copyKeyBytesIfNecessary(ptr));
            return super.visitLeave(node, children);
        }
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    }

    @Override
    public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
        Expression expression = getExpression();
        if (!expression.evaluate(tuple, ptr) || ptr.getLength() == 0) {
            return false;
        }
        PDataType type = expression.getDataType();
        String dateStr = (String)type.toObject(ptr, expression.getColumnModifier());
        try {
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