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| Packed decimal in 2.0.2 |
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| meekings |
 Posted: Mon Feb 25, 2002 11:40 am Post subject: |
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Voyager
Joined: 28 Jun 2001
Posts: 86
Location: UK, South West
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Apparently there's a problem in 2.0.2 with packed decimal fields (something to do with being internally converted to float if they're longer than 6 digits?). Does anyone know:
1. An exact statement of the problem, its effects, and the circumstances under which it appears.
2. If a workaround or efix exists.
I've tried feeding a 7 digit number through a test flow on AIX, and the output looks fine.
_________________
Brian Meekings
Information Design, Inc. |
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| zpat |
| Posted: Tue Feb 26, 2002 12:36 am Post subject: |
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Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
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| There is something new in WMQI 2.1 regarding decimal number support. This may be worth looking into. |
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| meekings |
| Posted: Tue Feb 26, 2002 5:45 am Post subject: |
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Voyager
Joined: 28 Jun 2001
Posts: 86
Location: UK, South West
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| I'd heard that 2.1 fixed the problem, but don't want to upgrade yet unless I'm forced to by this problem. |
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| meekings |
| Posted: Tue Mar 19, 2002 1:10 pm Post subject: |
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Voyager
Joined: 28 Jun 2001
Posts: 86
Location: UK, South West
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Packed decimal fields longer than 6 bytes (11 decimal digits) and zoned decimal fields longer than 11 bytes (again 11 decimal digits) are not supported in 2.0.2 - this is enforced by the Control Center.
Because we're always going big-endian to big-endian (AIX to MVS), and from a string representation of the number to packed/zoned decimal output, a workaround for this is as follows (assume a 14-character number - sign + 13 digits):
Packed decimal - split the field into a 1-byte integer (3 characters, because the first one is a sign) and a 6-byte packed decimal (11 characters); this looks to the remote end like a 7-byte PD.
Zoned decimal - split the field into a 3-byte string (only using the last 2) and an 11-byte zoned decimal.
Of course, you have to make sure that signs are carried forward appropriately. |
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