Package org.apache.phoenix.expression

Examples of org.apache.phoenix.expression.Expression

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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.getSortOrder());
       
        int length = -1;
        if (hasLengthExpression) {
            Expression lengthExpression = getLengthExpression();
            if (!lengthExpression.evaluate(tuple, ptr)) {
                return false;
            }
            length = lengthExpression.getDataType().getCodec().decodeInt(ptr, lengthExpression.getSortOrder());
            if (length <= 0) {
                return false;
            }
        }
       
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        super(children);
    }
   
    @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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        List<Expression> childExprs = Lists.newArrayList(expr, getTimeUnitExpr(TimeUnit.MILLISECOND), getMultiplierExpr(multiplier));
        return new CeilTimestampExpression(childExprs);
    }
   
    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();
        if(TimeUnit.MILLISECOND.toString().equalsIgnoreCase(timeUnit)) {
            return new CeilTimestampExpression(children);
        }
        // Coerce TIMESTAMP to DATE, as the nanos has no affect
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        super(children);
    }

    @Override
    public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
        Expression arrayKVExpression = children.get(0);
        if (!arrayKVExpression.evaluate(tuple, ptr)) {
            return false;
        } else if (ptr.getLength() == 0) { return true; }
        int length = PArrayDataType.getArrayLength(ptr,
                PDataType.fromTypeId(children.get(0).getDataType().getSqlType() - PDataType.ARRAY_TYPE_BASE),
                arrayKVExpression.getMaxLength());
        boolean elementAvailable = false;
        for (int i = 0; i < length; i++) {
            Expression comparisonExpr = children.get(1);
            Expression arrayElemRef = ((ComparisonExpression)comparisonExpr).getChildren().get(1);
            ((InlineArrayElemRefExpression)arrayElemRef).setIndex(i + 1);
            comparisonExpr.evaluate(tuple, ptr);
            if (expectedReturnResult(resultFound(ptr))) { return result(); }
            elementAvailable = true;
        }
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     * @param timeUnit - unit of time to round up to
     * @param multiplier - determines the roll up window size.
     * Create a {@link RoundDateExpression}.
     */
    public static Expression create(Expression expr, TimeUnit timeUnit, int multiplier) throws SQLException {
        Expression timeUnitExpr = getTimeUnitExpr(timeUnit);
        Expression defaultMultiplierExpr = getMultiplierExpr(multiplier);
        List<Expression> expressions = Lists.newArrayList(expr, timeUnitExpr, defaultMultiplierExpr);
        return create(expressions);
    }
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     */
    public static Expression create(Expression expr, int scale) throws SQLException {
        if (expr.getDataType().isCoercibleTo(PDataType.LONG)) {
            return expr;
        }
        Expression scaleExpr = LiteralExpression.newConstant(scale, PDataType.INTEGER, true);
        List<Expression> expressions = Lists.newArrayList(expr, scaleExpr);
        return new FloorDecimalExpression(expressions);
    }
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        List<Expression> expressions = Lists.newArrayList(expr, scaleExpr);
        return new FloorDecimalExpression(expressions);
    }
   
    public static Expression create(List<Expression> exprs) throws SQLException {
        Expression expr = exprs.get(0);
        if (expr.getDataType().isCoercibleTo(PDataType.LONG)) {
            return expr;
        }
        if (exprs.size() == 1) {
            Expression scaleExpr = LiteralExpression.newConstant(0, PDataType.INTEGER, true);
            exprs = Lists.newArrayList(expr, scaleExpr);
        }
        return new FloorDecimalExpression(exprs);
    }
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        ResultEntry(Tuple result) {
            final int prime = 31;
            this.result = result;
            int hashCode = 0;
            for (ColumnProjector column : rowProjector.getColumnProjectors()) {
                Expression e = column.getExpression();
                if (e.evaluate(this.result, ptr1)) {
                    hashCode = prime * hashCode + ptr1.hashCode();
                }
            }
            this.hashCode = hashCode;
        }
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            if (o.getClass() != this.getClass()) {
                return false;
            }
            ResultEntry that = (ResultEntry) o;
            for (ColumnProjector column : rowProjector.getColumnProjectors()) {
                Expression e = column.getExpression();
                boolean isNull1 = !e.evaluate(this.result, ptr1);
                boolean isNull2 = !e.evaluate(that.result, ptr2);
                if (isNull1 && isNull2) {
                    return true;
                }
                if (isNull1 || isNull2) {
                    return false;
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    @Override
    protected int compare(Tuple t1, Tuple t2) {
        for (int i = 0; i < orderByColumns.size(); i++) {
            OrderByExpression order = orderByColumns.get(i);
            Expression orderExpr = order.getExpression();
            boolean isNull1 = !orderExpr.evaluate(t1, ptr1) || ptr1.getLength() == 0;
            boolean isNull2 = !orderExpr.evaluate(t2, ptr2) || ptr2.getLength() == 0;
            if (isNull1 && isNull2) {
                continue;
            } else if (isNull1) {
                return order.isNullsLast() ? 1 : -1;
            } else if (isNull2) {
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Related Classes of org.apache.phoenix.expression.Expression

  • org.apache.phoenix.compile.CreateSequenceCompiler
  • org.apache.phoenix.compile.CreateTableCompiler
  • org.apache.phoenix.compile.ExpressionCompiler
  • org.apache.phoenix.compile.ExpressionManager
  • org.apache.phoenix.compile.ExpressionProjector
  • org.apache.phoenix.compile.GroupByCompiler
  • org.apache.phoenix.compile.HavingClauseTest
  • org.apache.phoenix.compile.HavingCompiler
  • org.apache.phoenix.compile.HavingCompilerTest
  • org.apache.phoenix.compile.JoinCompiler$JoinSpec
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