Write PL/SQL query from SSRS 2008

Question

Hello,
I've need of writing the following statement as query or procedure within SSRS 2008(SQL Server Reporting Services 2008) to query Oracle data.
IF :PARAMETER1 = 1
SELECT A1,B1,C1 FROM TABLE1
INNER JOIN TABLE2 ON TABLE2.X = TABLE1.X
INNER JOIN TABLE3 ON TABLE3.Y = TABLE1.Y
WHERE TABLE1.FIELD1 = :PARAMETER1
ELSE IF :PARAMETER1 = 0
SELECT A1,B1,C1 FROM TABLE1
INNER JOIN TABLE2 ON TABLE2.X = TABLE1.X
WHERE TABLE1.FIELD1 = :PARAMETER1
Can someone please help since I am trying to write query with IF ELSE statement or block from SSRS 2008?
Brief scenario - I'm trying to query data from Oracle db by using Oracle data source connection(11g client) from SSRS 2008 to display on SSRS report.
Thanks,
JS.

Answer 1

user1378136 wrote:
Thank you for the tip and sample snippet as you mentioned it may not work, it did not work.
Probable I did not ask the question right way. Let me ask you this. If I were to write SQL or PL/SQL (which ever is required because of IF condition) to query Oracle DB how do I do below mentioned statements,
IF condition = true
do something.....
Else IF condition = false
do something.....
Thank you,
JS.Typically i'd create a function that returns a ref cursor for something like this (on the Oracle database you need to query) and then call that from wherever it is required.
create or replace function get_some_data
   p_PARAMETER1   number
return sys_refcursor
is
   some_ref_cursor   sys_refcursor;
begin
   IF p_PARAMETER1 = 1
   then
      open some_ref_cursor for
         SELECT A1,B1,C1 FROM TABLE1
         INNER JOIN TABLE2 ON TABLE2.X = TABLE1.X
         INNER JOIN TABLE3 ON TABLE3.Y = TABLE1.Y
         WHERE TABLE1.FIELD1 = 1;
   ELSIF p_PARAMETER1 = 0
   then
      open some_ref_cursor for for
         SELECT A1,B1,C1 FROM TABLE1
         INNER JOIN TABLE2 ON TABLE2.X = TABLE1.X
         WHERE TABLE1.FIELD1 = 0;
   end if;
   return some_ref_cursor;
end get_some_data;
/So you'd return a pointer to 1 of 2 queries via this function, and the client would process it accordingly.