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Kumail Fazal
New User
Joined: 29 May 2007
Posts: 12
Location: Mysore
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Hi,
Is there a simple way using which we can a read a KSDS VSAM file using a partial key.
Say the key for the given VSAM file is of length 15(7+3+5) bytes but i need to search the VSAM(not sequential) using only the 7 bytes of partial key. There can be multiple records on the partial key(7 bytes) and i would just require the first record.
I think the above task can be done in numerous ways but i m looking for a very simple way.
Thanks |
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murmohk1
Senior Member
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Joined: 29 Jun 2006
Posts: 1436
Location: Bangalore,India
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Kumail,
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| i need to search the VSAM(not sequential) using only the 7 bytes of partial key. |
I doubt we have this in easytreive.
If you put your requirement clearly, someone may come with the solution. |
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Kumail Fazal
New User
Joined: 29 May 2007
Posts: 12
Location: Mysore
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The detail explaination for the problem is as follows
say i define a VSAM file
FILE INFILE1 VS
INFILE1-KEY 1 15 A
and then i define my PS file
FILE INFILE2
INFILE2-KEY 1 7 A
Now i read the first occurence of input file2(which is PS file) and take the first 7 bytes (which would be my key) and using it search the VSAM(partial key search) and after i have found the first occurence in the VSAM, write that record to output file.
I want a random partial search to be done on VSAM, please let me know what could be the most effective way of doing this |
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murmohk1
Senior Member
Joined: 29 Jun 2006
Posts: 1436
Location: Bangalore,India
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Kumail,
| Quote: |
| Now i read the first occurence of input file2(which is PS file) and take the first 7 bytes |
Are you expecting dups in flat file?
| Quote: |
| please let me know what could be the most effective way of doing this |
I belive your requirement could be accomplished using utils (like sort). Do you still want to proceed with Easytreive. |
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CICS Guy
Senior Member
Joined: 18 Jul 2007
Posts: 2146
Location: At my coffee table
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| Kumail Fazal wrote: |
| I think the above task can be done in numerous ways but i m looking for a very simple way. |
Simple, use the POINT statement with a GE (greater than/equel to)....If I read the manual correctly, the key MUST be the same length as the VSAM key, but a simple area with the one file's 7 bytes and an additional 8 bytes of low values will work.... |
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