FiveTech Software tech support forums

Posted: **Fri Jun 09, 2017 1:00 am**

Hello,

Is there a function in FWH that creates a unique ID? I need to created a unique ID every time logs in to our system.

Thank you!

Posted: **Fri Jun 09, 2017 1:34 am**

Create GUID

http://forums.fivetechsupport.com/viewt ... =3&t=28026

Posted: **Fri Jun 09, 2017 1:10 pm**

Darrell

Here is how I create my Sql Primary keys .. this routine creates a unique character .. you can easily adapt to numeric as well.. The process is not elegant but works.

Rick Lipkin

Code: Select all

//---------------------
Static Func _GenTripsEid()

LOCAL nRAND, cRAND, oRs, cSQL, oERR

cSQL := "SELECT TRIPSEID from TRIPS"

oRs := TOleAuto():New( "ADODB.Recordset" )
oRs:CursorType     := 1        // opendkeyset
oRs:CursorLocation := 3        // local cache
oRs:LockType       := 3        // lockoportunistic

TRY
   oRs:Open( cSQL,oCn )
CATCH oErr
   MsgInfo( "Error in Opening TRIPS table to create TripsEid" )
   RETURN("BOGUS")
END TRY

cRAND := 'BOGUS'

DO WHILE .T.

   nRAND := nRANDOM(10000000000000000)

   // 1 is reserved and 0 is a null key //

   IF nRAND = 1 .or. nRAND = 0 .or. nRAND = NIL
      LOOP
   ENDIF

   cRAND := STR(nRAND,17)

   IF oRs:eof
   ELSE
      oRs:MoveFirst()
      oRs:Find("tripseid = '"+cRAND+"'" )
   ENDIF

   IF oRs:eof
      EXIT
   ELSE
      LOOP
   ENDIF

   EXIT

ENDDO

oRs:CLose()

RETURN( cRAND )

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