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

Package com.salesforce.phoenix.expression

Class com.salesforce.phoenix.expression.Expression

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

com.salesforce.phoenix.expression.Expression.evaluate()
Access the value by setting a pointer to it (as opposed to making a copy of it which can be expensive) @param tuple Single row result during scan iteration @param ptr Pointer to byte value being accessed @return true if the expression could be evaluated (i.e. ptr was set)and false otherwise

                            Arrays.fill(values, null);
                            int i = 0;
                            List<PColumn> projectedColumns = projectedTable.getColumns();
                            for (; i < projectedTable.getPKColumns().size(); i++) {
                                Expression expression = selectExpressions.get(i);
                                if (expression.evaluate(result, ptr)) {
                                    values[i] = ptr.copyBytes();
                                    // If ColumnModifier from expression in SELECT doesn't match the
                                    // column being projected into then invert the bits.
                                    if (expression.getColumnModifier() != projectedColumns.get(i).getColumnModifier()) {
                                        ColumnModifier.SORT_DESC.apply(values[i], 0, values[i], 0, values[i].length);

View Full Code Here

                            }
                            projectedTable.newKey(ptr, values);
                            PRow row = projectedTable.newRow(kvBuilder, ts, ptr);
                            for (; i < projectedColumns.size(); i++) {
                                Expression expression = selectExpressions.get(i);
                                if (expression.evaluate(result, ptr)) {
                                    PColumn column = projectedColumns.get(i);
                                    byte[] bytes = ptr.copyBytes();
                                    Object value = expression.getDataType().toObject(bytes, column.getColumnModifier());
                                    // If ColumnModifier from expression in SELECT doesn't match the
                                    // column being projected into then invert the bits.

View Full Code Here

    }
    
    @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;
        }

View Full Code Here

        if (sourceStr == null) {
            return false;
        }


        Expression offsetExpression = getOffsetExpression();
        if (!offsetExpression.evaluate(tuple, ptr)) {
            return false;
        }
        int offset = offsetExpression.getDataType().getCodec().decodeInt(ptr, offsetExpression.getColumnModifier());


        int strlen = sourceStr.length();

View Full Code Here

  }


  @Override
  public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
    Expression arrayExpr = children.get(0);
    if (!arrayExpr.evaluate(tuple, ptr)) {
      return false;
    } else if (ptr.getLength() == 0) {
      return true;
    }
    PDataType baseType = PDataType.fromTypeId(children.get(0).getDataType()

View Full Code Here

    }
    
    @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;
        }

View Full Code Here

    }


    @Override
    public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
        Expression arg = getChildren().get(0);
        if (!arg.evaluate(tuple, ptr)) {
            return false;
        }


        int targetOffset = ptr.getLength();
        if (targetOffset == 0) {

View Full Code Here

                byte[] value = overlapViewColumns.get(targetColumn);
                if (value != null) {
                    Expression source = projector.getColumnProjector(i).getExpression();
                    if (source == null) { // FIXME: is this possible?
                    } else if (source.isStateless()) {
                        source.evaluate(null, ptr);
                        if (Bytes.compareTo(ptr.get(), ptr.getOffset(), ptr.getLength(), value, 0, value.length) == 0) {
                            continue;
                        }
                    // TODO: we had a ColumnRef already in our map before
                    } else if (sameTable && source.equals(new ColumnRef(tableRef, targetColumn.getPosition()).newColumnExpression())) {

View Full Code Here

  }


  @Override
  public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
    Expression indexExpr = children.get(1);
    if (!indexExpr.evaluate(tuple, ptr)) {
      return false;
    } else if (ptr.getLength() == 0) {
      return true;
    }
    // Use Codec to prevent Integer object allocation

View Full Code Here

    int index = PDataType.INTEGER.getCodec().decodeInt(ptr, indexExpr.getColumnModifier());
    if(index < 0) {
      throw new ParseException("Index cannot be negative :" + index);
    }
    Expression arrayExpr = children.get(0);
    if (!arrayExpr.evaluate(tuple, ptr)) {
      return false;
    } else if (ptr.getLength() == 0) {
      return true;
    }

View Full Code Here

0 1 2 3 4

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.