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Cursor and Update at the same time

 
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lacoe1
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Joined: 24 Feb 2005
Posts: 33
Topics: 17
PostPosted: Wed Mar 24, 2010 5:59 pm    Post subject: Cursor and Update at the same time Reply with quote
I am using a cursor in my Cobol program and it's gathering all the right records. What I would like to do is update some of the records that I have fetched from that cursor. How can I do update at the same time as processing the cursor?
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NASCAR9
Intermediate


Joined: 08 Oct 2004
Posts: 274
Topics: 52
Location: California
PostPosted: Wed Mar 24, 2010 6:27 pm    Post subject: Reply with quote
Here's an example:
Code:

EXEC SQL                                         
     DECLARE CURPRBL CURSOR WITH HOLD FOR       
       SELECT  SSNO                             
              ,MEDDEN_BAL                       
              ,LAST_MEDDEN_UP                   
              ,USERID                           
              ,LASTUPDT                         
          FROM HOURS.PREMBAL                     
              WHERE MEDDEN_BAL < 0               
     FOR UPDATE OF MEDDEN_BAL, LAST_MEDDEN_UP,   
                   USERID, LASTUPDT             
END-EXEC.                                       

EXEC SQL                                               
     UPDATE HOURS.PREMBAL                               
          SET MEDDEN_BAL     = :PREMBAL-MEDDEN-BAL     
             ,LAST_MEDDEN_UP = :PREMBAL-LAST-MEDDEN-UP 
             ,USERID         = :PREMBAL-USERID         
             ,LASTUPDT       = :PREMBAL-LASTUPDT       
        WHERE CURRENT OF CURPRBL                       
END-EXEC.

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NASCAR9
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12377
Topics: 75
Location: San Jose
PostPosted: Wed Mar 24, 2010 6:31 pm    Post subject: Reply with quote
lacoe1,

Read about Using positioned UPDATE statements here

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/dsnapj12/2.2.1.4.2

Kolusu
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lacoe1
Beginner


Joined: 24 Feb 2005
Posts: 33
Topics: 17
PostPosted: Thu Mar 25, 2010 12:31 pm    Post subject: Reply with quote
Thanks.
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