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Help needed in gettting the right query...

 
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arshadh
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Joined: 10 Jan 2007
Posts: 33
Topics: 12

PostPosted: Tue Jun 05, 2007 6:19 am    Post subject: Help needed in gettting the right query... Reply with quote

I have a table called aff_gdg

it has two columns aff-id - integer , gdg-id- char 09

here in gdg-id we store numeric data items..

My intention is to pull those gdg-id's whose first 5 bytes or last 5 bytes equals any of the aff-id column values

this is my data in table
Code:

---------+---------+---
     AFF_ID  GDG_ID   
---------+---------+---
         55           
         55
         15      55   
      54321           
         14  000014   
      54321  54321     


I want my output as
Code:

---------+---------+---
     AFF_ID  GDG_ID   
---------+---------+---
         55           
         55           
         15    55     
         14    14   
      54321  54321     



But what i am getting is
Code:

---+---------+-------
 AFF_ID      GDG_ID   
---+---------+-------
   15           55   
   14           14   
54321        54321     



the query am using is
Code:

--------+---------+---------+---------+---------+---------+-----
 SELECT G.AFF_ID aff-id, INTEGER(G.gdg_id) COL1     
 FROM XAD13.AFF_Gdg G                                   
               WHERE ( SUBSTR(G.gdg_id,1,5) IN         
                       (SELECT CHAR(R.AFF_ID)               
                        FROM XAD13.AFF_Gdg R)           
                                                               
                 OR    SUBSTR(G.gdg_id,1,5,5,5) IN         
                       (SELECT CHAR(R.AFF_ID)               
                        FROM XAD13.AFF_Gdg R));


Help me to resolve the issue
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kolusu
Site Admin
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Joined: 26 Nov 2002
Posts: 12365
Topics: 75
Location: San Jose

PostPosted: Tue Jun 05, 2007 6:50 am    Post subject: Reply with quote

Quote:

whose first 5 bytes or last 5 bytes equals any of the aff-id column values


how does this row fit into your requirements?

Code:

         15      55   


15 is stored as
Code:

000000015


and the last 5 digits of it is

Code:

00015


and I don't see 15 in the string under GDG_ID. how did you pick that?

Kolusu
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dbzTHEdinosauer
Supermod


Joined: 20 Oct 2006
Posts: 1411
Topics: 26
Location: germany

PostPosted: Tue Jun 05, 2007 7:48 am    Post subject: Reply with quote

arshadh,
Quote:
pull those gdg-id's whose first 5 bytes or last 5 bytes equals any of the aff-id column values


that is what you are receiving! what you want is those plus any aff_id that equals any gdg_id regardless of the associated gdg_id column value - which maybe a UNION of the reverse 'IN' is required. but, I am lost because I have no idea how the SQL is functioning with hyphens and underscores intermixed in your SQL.
Quote:
SELECT G.AFF_ID aff-id, INTEGER(G.gdg_id) COL1

and what is this?:
Quote:
SUBSTR(G.gdg_id,1,5,5,5)


be nice if you would include in your post the SQL that you are actually running. Or is DB2 so forgiving that you can have such syntax errors?
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