title: Group by query is not working in android 2.1
body: <p>I am saving datetime in milliseconds in my local database table "session"
  My problem is this code is working in android 2.2 and above but belove version of android 2.2 
  it is not working means it is giving me all the rows from table
  But is I run same code in android 2.2 it is working perfactly and giving me distinct values</p>
  
  <p>When I run below query in Sqlite Manager it is giving me proper distinct value</p>
  
  <p><strong>Create table syntax</strong> </p>
  
  <pre><code>"CREATE TABLE  session  ( " +
          "recid  INTEGER PRIMARY KEY NOT NULL ,  " +
          "starttime  TEXT)";
  </code></pre>
  
  <p><strong>Query to fetch data from database</strong></p>
  
  <pre><code>Cursor c = mDb.rawQuery("select distinct (starttime / (24 * 60 * 60 * 1000)) ,
  starttime from session group by (starttime / (24 * 60 * 60 * 1000))", null);
  </code></pre>
  
  <p><strong>Values in database table session ::</strong> </p>
  
  <pre><code>1   1319084700198
  4   1319084100642
  5   1319092500940
  6   1319092500769
  7   1319100300864
  8   1319107500002
  9   1319107500673
  10  1319168700236
  11  1319169000223
  12  1319178000717
  13  1319178000902
  14  1319185800738
  15  1319192100137
  16  1319256000842
  17  1319256000985
  18  1319192100156
  19  1319084700210
  20  1319085000660
  21  1319086500972
  22  1319088000927
  23  1319092500687
  24  1319092500027
  25  1319092500178
  26  1319092500702
  27  1319092500878
  28  1319092500114
  </code></pre>