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Overiding ObtainSelectStatement to Add a Report Parameter

Overiding ObtainSelectStatement to Add a Report Parameter

(OP)
I removed the parameter (itemnum = :itemnu) from the sql statement where clause in my datasource code because I want the report to select and return all the item numbers from the called table (ASD_D_INVTRANS)if the user does not select one or more.

Here's my ObtainSelectStatement code in my datasource method

Function ObtainSelectStatement( ) As String
    
   If Not (itemnu = "") then
   where = where & " AND " &
   parseParam2(itemnu, "ASD_D_INVTRANS.itemnum")

   End If
  
     Where = Where & "AND 1=1"
     ObtainSelectStatement = Super::ObtainSelectStatement( )
      SelectStatement = StrSubst (SelectStatement, "1=1", where)
  End Function

I also added the parameter as a global parameter under tools parameters. (Added as a global string parameter)

When I compile and run the report I can enter any single item number in the report parameter field and the report returns all the item numbers. What am I missing? What can I try to make this work the way I want it to. If I put one or more item numbers in the submit report field I want only those returned on the report. If I leave it blank or null I want all item numbers returned.

 

RE: Overiding ObtainSelectStatement to Add a Report Parameter

(OP)
I am using Maximo 6.2.2 and Actuate Reports developed with erdpro v8 on a sql db. Note: Others have suggested that I edit the sql statement and leave the Function ObtainSelectStatement alone; however, after attempting this serveral times, I have returned back to the idea of overriding the ObtainSelectStatement method.

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