Between complex filter with system dates

Summary

Complex filter using system date range

Content

Hello - I'm trying to write a complex filter that uses a range (based on system date and system date +7) and export that data set.  When the date range is hard coded using the delivered filter, data is exported, but when I use the below "valid" complex filter, no data is being exported.  Any insight on how this complex filter can be written correctly would be appreciated!

 

<quer:filtering xmlns:quer="http://www.taleo.com/ws/integration/query">
      <quer:between>
        <quer:field path="UPMC_5fSTART_5fDATE"/>
        <quer:date type="now"/>
    <quer:add>