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| question about ASBITSTREAM |
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| miron |
 Posted: Thu Mar 13, 2003 9:34 am Post subject: question about ASBITSTREAM |
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Apprentice
Joined: 27 Jun 2002
Posts: 39
Location: New York
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Hello,
I am trying to save in database part of my RFH2 header data which is in XML format.
I did two different scenarios, one worked and the other not.
1. I moved my RFH2 data into Environment.Variables and then run ASBITSTREAM:
| Code: |
declare keydata4 BLOB;
declare keydata2 BLOB;
DECLARE options INTEGER BITOR(FolderBitStream, ValidateContent, ValidateValue);
set Environment.Variables.KEYDATA = InputRoot.MQRFH2.usr.ADAPTER.KEYDATA;
SET keydata4 = ASBITSTREAM(Environment.Variables.KEYDATA,options);
set keydata2 = substring(keydata4 from 41); |
Now when I look at it in debug file it only generates 'X'
"Finished evaluating expression 'ASBITSTREAM(Environment.Variables.KEYDATA ENCODING options)' at (63, 16). The result was 'X'''. "
Looks like ASBITSTREAM does not work with Environment Variables
2. When I run code below it works fine:
| Code: |
DECLARE options INTEGER BITOR(FolderBitStream, ValidateContent, ValidateValue);
SET keydata4 = ASBITSTREAM(InputRoot.MQRFH2.usr.ADAPTER.KEYDATA,options);
set keydata2 = substring(keydata4 from 41);
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My questions are:
- Is this correct that ASBITSTREAM does not work with Environment Variables? I read something about a bug in previous version of BITSTREAM that generates 'X' instead of whole string.
- I had to do substring of output from ASBITSTREAM to get rid of initial 40 bytes from RFH2 header. Looks like ASBITSTREAM always takes first 40 bytes of the header and then it can take only nessesary part of data.
Is this normal behaviour?
I use WMQI2.1 CSD04.
Thanks
Miron |
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| szudor |
| Posted: Fri Mar 14, 2003 8:38 am Post subject: |
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Novice
Joined: 21 Apr 2002
Posts: 18
Location: Budapest
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Hi,
From WMQI 2.1 CSD02 ESQL reference book results, that BITSTREAM function works only for Root and Body (InputRoot, InputBody). I supose, that is true for CSD04 also, including the ASBITSTREAM.
_________________
Sandor Zudor,
Certified Solution Expert/Developer
IBM WebSphere MQ & Message Broker |
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| kirani |
| Posted: Fri Mar 14, 2003 9:22 am Post subject: |
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Jedi Knight
Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA
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| szudor wrote: |
| I supose, that is true for CSD04 also, including the ASBITSTREAM. |
That's not true. This function effectively removes the limitation of the existing BITSTREAM function which can only be used on a tree produced by a parser belonging to an input node
_________________
Kiran
IBM Cert. Solution Designer & System Administrator - WBIMB V5
IBM Cert. Solutions Expert - WMQI
IBM Cert. Specialist - WMQI, MQSeries
IBM Cert. Developer - MQSeries
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| migstr |
| Posted: Wed Mar 19, 2003 12:00 pm Post subject: |
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Apprentice
Joined: 05 Jun 2002
Posts: 34
Location: New York
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| Has anyone been able to get ASBITSTREAM to work on an Environment.Variables subtree or a Root.XML subtree?? If so, can you please provide an example; this is not working for us. |
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| migstr |
| Posted: Wed Mar 19, 2003 7:52 pm Post subject: |
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Apprentice
Joined: 05 Jun 2002
Posts: 34
Location: New York
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Miron, I finally got it to work for Environment variables and RFH2 subtrees:
DECLARE options INTEGER BITOR(FolderBitStream, ValidateContent,
ValidateValue);
--Environment Variables Example
CREATE FIRSTCHILD OF Environment.Variables DOMAIN 'XML' NAME 'SAMPLE';
set Environment.Variables.SAMPLE[] = InputRoot.XML.SAMPLE[];
set myBlob = ASBITSTREAM(Environment.Variables.SAMPLE,,,,,,options);
--RFH2 Example
SET myBlob = ASBITSTREAM(InputRoot.MQRFH2.usr.ADAPTER.KEYDATA,,,,,,options);
Here is Trace output:
Environment:
'ASBITSTREAM(Environment.Variables.SAMPLE)' at (11, 14). The result was 'X'3c53414d504c453e0a2020203c5452414e53464f524d3e5452414e53464f524d3c2f5452414e53464f524d3e0a2020203c5452414e53464f524d3e5452414e53464f524d3c2f5452414e53464f524d3e0a2020203c5452414e53464f524d3e44454c4554453c2f5452414e53464f524d3e0a3c2f53414d504c453e'
RFH2:
ASBITSTREAM(InputRoot.MQRFH2.usr.ADAPTER.KEYDATA)' at (13, 14). The result was 'X'3c4b4559444154413e3c444f43554d454e544b4559533e3c4b45593e3c4b45594e414d453e696e766f6963656e756d6265723c2f4b45594e414d453e3c4b455956414c55453e3530333535353c2f4b455956414c55453e3c2f4b45593e3c2f444f43554d454e544b4559533e3c2f4b4559444154413e''. |
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