Hi Bill,
I hope you can discern something from this:
  ----- Original Message ----- 
  From: Bill Downall 
  To: RBASE-L Mailing List 
  Sent: Thursday, April 24, 2008 8:15 PM
  Subject: [RBASE-L] - Re: Group by -- need another set of eyes


  Bernie,

  What do you get if you try these:

  SELECT DISTINCT CreditDate FROM Credits
  CreditDate    There are lots more going back to 1992 these are the last few
   ---------- 
   12/23/2007
   01/27/2008
   02/17/2008
   02/24/2008
   03/23/2008
   03/30/2008


  SELECT CreditDate, COUNT (*) FROM Credits GROUP BY CreditDate
  CreditDate COUNT (*)  
   ---------- ---------- 
   12/23/2007         39
   01/27/2008         28
   02/17/2008         25
   02/24/2008         44
   03/23/2008         21
   03/30/2008         33

  SELECT CreditDate FROM Credits GROUP BY CreditDate
  CreditDate 
   ---------- 
   12/23/2007
   01/27/2008
   02/17/2008
   02/24/2008
   03/23/2008
   03/30/2008

  Do you get the doubled dates any of those ways?   NO

  Also, just in case all those extra eyes might see something, please show the 
results of:
  LIST COLUMN CreditDate
  list col creditdate
   Column Name        Table Name         Attributes
   ------------------ ------------------ ---------------------------------------
   CreditDate         Credits            Type   : DATE                          
                                         Index  : SINGLE-COLUMN                 
                                         Comment: date of transaction           
                      CRED               Type   : DATE      

  LIST COLUMN CreditAmount
  list col creditAmount
   Column Name        Table Name         Attributes
   ------------------ ------------------ ---------------------------------------
   CreditAmount       Credits            Type   : CURRENCY NOT NULL             
                                         Comment: dollar amount of transaction  
                      CRED               Type   : CURRENCY                      


  LIST TABLE Credits
  list table credits

     Table: Credits              No Lock(s)
     Descr: Credit transactions

   No. Column Name        Attributes
   --- ------------------ ------------------------------------------------------
     1 CreditRefNo        Type   : INTEGER  NOT NULL AUTONUMBER                 
                          Consrnt: PRIMARY KEY                                  
                                   Comment: Reference no                        
     2 OrderNo            Type   : INTEGER                                      
                          Consrnt: FOREIGN KEY REFERENCES OrderHeader           
                                   Comment: order number                        
     3 CustomerNo         Type   : INTEGER                                      
                          Consrnt: FOREIGN KEY REFERENCES Customer              
                                   Comment: customer number                     
     4 CreditDate         Type   : DATE                                         
                          Index  : SINGLE-COLUMN                                
                                   Comment: date of transaction                 
     5 AccountNo          Type   : TEXT 4                                       
                                   Comment: account number                      
     6 CreditAmount       Type   : CURRENCY NOT NULL                            
                                   Comment: dollar amount of transaction        
     7 CreditComment      Type   : TEXT 30                                      
                                   Comment: comment                             
     8 CreditUser         Type   : TEXT 18                                      
                                   Comment: last modified by                    
     9 CreditDateTime     Type   : DATETIME                                     
                                   Comment: date/time last modified             
     Current number of rows:   9420


  SHOW DATE
  SHOW ZERO
  SHOW NULL

  R>show date
   DATE format     mm/dd/yyyy
   DATE sequence   MMDDYY
   Century threshold YEAR is 50
   Default CENTURY is  19

  R>show zero
  (ZERO     ) ON  Treat nulls as ZERO in numeric calculations

  R>show null
   NULL symbol  

  Bill




  On Thu, Apr 24, 2008 at 4:56 PM, Bernard Lis <[EMAIL PROTECTED]> wrote:

    Right on John, but for the record CreditDate is not indexed.
    ----- Original Message ----- From: "John Engwer" <[EMAIL PROTECTED]>
    To: "RBASE-L Mailing List" <[email protected]>
    Sent: Thursday, April 24, 2008 10:23 AM
    Subject: [RBASE-L] - Re: Group by -- need another set of eyes



      Larry, he created a temp table and ran the select from the temp table. 
That
      should have eliminated the index possibility.

      John

      -----Original Message-----
      From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Lawrence
      Lustig
      Sent: Thursday, April 24, 2008 9:56 AM
      To: RBASE-L Mailing List
      Subject: [RBASE-L] - Re: Group by -- need another set of eyes

      Bernie:

      I'll bet dollars to donuts this is an indexing issue.

      Is CreditDate indexed?  If so, try dropping the index and repeating the
      command (which will run more slowly).  In fact, try projecting a 
completely
      unindexed copy of the table and operating on that.

      Also, look for CreditDate used in a multi-column index.

      --
      Larry








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