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Update a field within a group with a criteria

 
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adrianlmk

New User


Joined: 02 Jan 2008
Posts: 11
Location: Malaysia

PostPosted: Tue Aug 12, 2014 9:43 pm    Post subject: Update a field within a group with a criteria
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Hi,

I'm new to use Group= function and searching around and doesn't find the similar example for my reference.

Byte 1 to 9 is the grouping, whenever found a value of 'R' in Byte 11, 'Y' need to be updated into bytes 10 for the same group

Hopefully can get some help from here

My Input is
Code:

12345678901   <--- Column

T20140811NO
T20140811NP
T20140811NR
T20140812NO
T20140812NP
T20140813NR
T20140813NO


My Output expected is

Code:

T20140811YO
T20140811YP
T20140811YR
T20140812NO
T20140812NP
T20140813YR
T20140813YO
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Bill Woodger

Moderator Emeritus


Joined: 09 Mar 2011
Posts: 7312
Location: Inside the Matrix

PostPosted: Tue Aug 12, 2014 9:48 pm    Post subject: Reply to: Update a field within a group with a criteria
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You're probably better off looking a JOINKEYS, with the same DSN for both input files.

In the JNF2CNTL include just the Rs. Then in the Main Task of the JOIN, set Y for those which match.
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