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is it possible rewrite a record in esds files?

 
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naveensri2005
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PostPosted: Tue Jun 28, 2005 6:00 pm    Post subject: is it possible rewrite a record in esds files?
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hi

In cics is it possible for rewrite a records in to a esds-files? if possible how it is? is it possible to read a record by using set and generic option. how it is.


naveen
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mdtendulkar

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Joined: 29 Jul 2003
Posts: 238
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PostPosted: Wed Jun 29, 2005 7:23 am    Post subject:
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naveensri2005,

Rewrite:

- Read the record with Update option
- Make updates
- Rewrite it to the file

Code:
EXEC CICS READ
      DATASET (DSNAME)
      INTO (WS-VAR)
      RIDFLD (KEY-FLD)
      LENGTH (LENGTH-FLD)
      UPDATE
      RBA
END-EXEC


Once the Read is successful, Update the required fields and rewrite the record as below

Code:
EXEC CICS REWRITE
     DATASET (DSNAME)
     FROM (WS-VAR)
     LENGTH (LENGTH-FLD)
     RBA
END-EXEC



Read with SET:

Code:
EXEC CICS READ
      DATASET (DSNAME)
      SET (ADDRESS OF WS-VAR)
      RIDFLD (KEY-FLD)
      LENGTH (LENGTH-FLD)
      RBA
END-EXEC



Read with GENERIC:

Code:
EXEC CICS READ
      DATASET (DSNAME)
      INTO (WS-VAR)
      RIDFLD (KEY-FLD)
      LENGTH (LENGTH-FLD)
      GENERIC
      KEYLENGTH (KEY-LENGTH-FLD)
      RBA
END-EXEC



Hope this helps

Regards
Mayuresh
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naveensri2005
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PostPosted: Mon Jul 04, 2005 11:04 am    Post subject: Re: is it possible rewrite a record in esds files?
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hi

thanks for answer
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David P

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Joined: 11 Apr 2005
Posts: 106
Location: Cincinnati Ohio

PostPosted: Mon Jul 04, 2005 4:47 pm    Post subject:
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Hi Mayuresh,

I believe the rewrite in ESDS is valid only if the lenght of the record which is to be rewritten is same as the previous record.

Correct me if I am wrong.

regards,
David.
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rachel

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PostPosted: Tue Aug 30, 2005 2:51 pm    Post subject:
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Hi,



Is there a Key Field for esds file ?

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rachel

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PostPosted: Tue Aug 30, 2005 3:08 pm    Post subject:
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Hi,


Sorry for the misguidance, you can actually replace the field name in RIDFLD with RBA address in case of ESDS.
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harish_mf

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PostPosted: Thu Sep 01, 2005 1:17 pm    Post subject:
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rewriting the esds in cics, if u known the RBA value it can be but of same length record.
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