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MQSeries.net Forum IndexGeneral IBM MQ Supportconversion 437 to 1381

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bobbee
PostPosted: Mon Sep 16, 2019 12:26 pm Post subject: conversion 437 to 1381 Reply with quote

Chevalier

Joined: 20 Sep 2001
Posts: 409
Location: Tampa

Can this conversion be accomplished creating a /conv/table/01bf0565.tbl? It is Windows to Simplified Chinese.

are there any suggestion? Support cam back and suggested a channel exit. But that seems to be Format based. (Ie MQSTR, MQDLQ, etc)
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gbaddeley
PostPosted: Mon Sep 16, 2019 4:27 pm Post subject: Reply with quote

Jedi

Joined: 25 Mar 2003
Posts: 2033
Location: Melbourne, Australia

What are the two code page numbers? Is there an accepted mapping from every single-byte windows character code to a simplified chinese character code? If there is a definitive mapping, the conversion would probably already be available.
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hughson
PostPosted: Mon Sep 16, 2019 11:06 pm Post subject: Reply with quote

Grand Master

Joined: 09 May 2013
Posts: 1274
Location: Bay of Plenty, New Zealand

gbaddeley wrote:
What are the two code page numbers?

They are in the post subject Glenn. 437 to 1381.

I found the following page in Knowledge Center about Simplified Chinese, with the statement:-

IBM Knowledge Center wrote:
All platforms support conversion between their native CCSIDs and the native CCSIDs of other platforms, with the following exceptions (only z/OS platform listed with any exceptions).


But it seems 437 is not a native CCSID for Simplified Chinese.

In order to enhance code page conversion when the pair of CCSIDs you need to use are not able to be converted out of the box, you should read this page and look into the ccsid.tbl and the new ccsid_part2.tbl (V9.0+).

Data conversion

Cheers,
Morag
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bobbee
PostPosted: Tue Sep 17, 2019 2:26 am Post subject: Reply with quote

Chevalier

Joined: 20 Sep 2001
Posts: 409
Location: Tampa

The CCSID's were 437 to 1381. The customer, at my and support's suggestion went to 1208 on the QMGR. We originally suggested an additional QMGR @ 1208 for just these interfaces. So now it it working. I was at one point looking for a way to gen a xxxxx.tbl entry in the 'tables' folder'.
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bobbee
PostPosted: Tue Sep 17, 2019 5:28 am Post subject: Reply with quote

Chevalier

Joined: 20 Sep 2001
Posts: 409
Location: Tampa

I see this in CCSID file

Code:

#
# CCSID Base  CodePage CodePage  Type Enc   ACRI   Codeset
#       CCSID   DBCS      SBCS                     name
# ----- ----- -------- --------  ---- ----  -----  -------
#
# Simplified Chinese
   1383  1383       0     1383     3    6     3    eucCN
   5479  1383       0     1383     3    6     3    eucCN
   1114  1114       0     1114     1    2     0    IBM-1114
   1115  1115       0     1115     1    2     0    IBM-1115
   5211  1115       0     1115     1    2     0    IBM-1115
   1381  1381    1380     1115     3    2     6    IBM-1381
   5477  1381    1380     1115     3    2     6    IBM-1381


Seems 1381 is defined abd I would assume if it is going to SBCS it wil use 1115(????) I cannot find a representation of 1115
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tczielke
PostPosted: Tue Sep 17, 2019 7:14 am Post subject: Reply with quote

Sentinel

Joined: 08 Jul 2010
Posts: 846
Location: Illinois, USA

bobbee wrote:
I see this in CCSID file

Code:

#
# CCSID Base  CodePage CodePage  Type Enc   ACRI   Codeset
#       CCSID   DBCS      SBCS                     name
# ----- ----- -------- --------  ---- ----  -----  -------
#
# Simplified Chinese
   1383  1383       0     1383     3    6     3    eucCN
   5479  1383       0     1383     3    6     3    eucCN
   1114  1114       0     1114     1    2     0    IBM-1114
   1115  1115       0     1115     1    2     0    IBM-1115
   5211  1115       0     1115     1    2     0    IBM-1115
   1381  1381    1380     1115     3    2     6    IBM-1381
   5477  1381    1380     1115     3    2     6    IBM-1381


Seems 1381 is defined abd I would assume if it is going to SBCS it wil use 1115(????) I cannot find a representation of 1115


You can find the CDRA here that identifies the CPGIDs of 1380 and 1115 -> https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=2ahUKEwjFtqqDiNjkAhUCjq0KHX5nCAcQFjAAegQIABAC&url=https%3A%2F%2Fwww.ibm.com%2Fdownloads%2Fcas%2FG01BQVRV&usg=AOvVaw1GkgkKWg4DwOUpw6EB4T13

That CDRA document (which was recently edited in 2018) talks about reaching out to IBM to get more specifics on those code pages.

It looks like CCSID 1381 contains both a double byte and single byte code page.

The 437 CCSID does not support Chinese characters, so unless you are looking for some type of Latin character based data conversion, it would not make sense to me to try and convert data between 437 and 1381. UTF-8 would be the way to go here, which it sounds like you are already doing.
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rekarm01
PostPosted: Tue Sep 17, 2019 6:38 pm Post subject: Re: conversion 437 to 1381 Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 1374

bobbee wrote:
The customer, at my and support's suggestion went to 1208 on the QMGR. We originally suggested an additional QMGR @ 1208 for just these interfaces. So now it it working.

Unicode is the best option here. Just to be clear though, the role of the qmgr ccsid is different from the role of the MQMD ccsid. The qmgr ccsid is primarily for converting character data within the MQMD header itself, when transporting a message from one qmgr to another. The MQMD ccsid is for converting the message data that follows the MQMD header, when getting a message off a queue.

bobbee wrote:
Can this conversion be accomplished creating a /conv/table/01bf0565.tbl?

That should probably be "01b50565.tbl". It may be possible to create a table to convert from ccsid=437 to ccsid=1381, but only a subset of characters are common to both ccsids, (mostly just the printable ASCII characters). So the table would have to handle the non-matching characters some other way, such as replacing them with a substitution character. If a table already exists for converting from ccsid=437 to ccsid=367 (US ASCII), then a copy of that table could be used as a starting point, to determine whether this approach is feasible.

bobbee wrote:
I see this in CCSID file ...

The ccsid_part2.tbl file doesn't include conversion tables. Adding or modifying ccsids is probably not useful here, because MQ already knows about the ccsids in question. Specifying a default data conversion for ASCII might be useful though, as a fallback for unsupported conversions. But it can also be lossy, when handling non-matching characters, so it is generally better for converting MQ headers than for converting user data.
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