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danylele74
New User
Joined: 03 Jul 2014
Posts: 27
Location: Italy
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Hello,
I have to solve a problem.
I have a file where, for the same key, I removed duplicate records writing in a second file.
After processing the first file (without keys doubles) I need to insert a value in the second file with the same key.
example:
file 1
| Code: |
Key Value
001
001
001
002
002
003 |
Removing duplicate keys
file 1
| Code: |
Key Value
001
002
003 |
file 2
| Code: |
Key Value
001
001
002 |
File 1 after processing
| Code: |
Key Value
001 555
002 666
003 777 |
Output file
| Code: |
Key Value
001 555
001 555
001 555
002 666
002 666
003 777 |
I need you help.
Thank you. |
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Bill Woodger
Moderator Emeritus
Joined: 09 Mar 2011
Posts: 7311
Location: Inside the Matrix
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| Your final output just looks like your original file with some extra stuff (source unknown) added to it. |
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danylele74
New User
Joined: 03 Jul 2014
Posts: 27
Location: Italy
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| yes. It's the same file but with the "value" field filled after processing |
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Bill Woodger
Moderator Emeritus
Joined: 09 Mar 2011
Posts: 7311
Location: Inside the Matrix
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| OK, but where do the new values come from and how are they applied? You want to do this with your SORT product? Which one do you have? |
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danylele74
New User
Joined: 03 Jul 2014
Posts: 27
Location: Italy
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The "original" file is
| Code: |
Key Fied-X
001
001
001
002
002
003
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The original file without duplicate key (called NODUP)
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Key Fied-X
001
002
003
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The original file with ONLY duplicate key (called DUP)
| Code: |
Key Fied-X
001
001
002
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File NODUP after processing (processed by a program)
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Key Fied-X
001 555
002 666
003 777
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The output file (NODUP + DUP)
| Code: |
Key Fied-X
001 555
001 555
001 555
002 666
002 666
003 777
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Bill Woodger
Moderator Emeritus
Joined: 09 Mar 2011
Posts: 7311
Location: Inside the Matrix
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OK, it would seem to me that the program which puts the new value one should have no real problem with processing the original file: keep a note of key change; if so, add the value, also save it; if not key change, add the saved value.
For what you have ended up with, use MERGE with OPTION EQUALS and IFTHEN=(WHEN=GROUP with KEYBEGIN to PUSH the value from the first record to all records in the group. |
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