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| Concatenation of strings error |
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Message
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| kishankumar.v |
 Posted: Fri Jan 04, 2002 2:25 am Post subject: |
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Apprentice
Joined: 26 Nov 2001
Posts: 47
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Hi,
I have defined two messages
msg1 (name1 string length 4)
msg2 (fullname string length 
In compute node I have written like this
SET "OutputRoot"."MRM"."fullname" = EVAL("InputBody"."name1"||'kish');
But I get the following error when I give "kish" in the iqueue.
"The correlation name 'kishkish' is not valid"
"The first element of a field reference must be
a valid correlation name, from those in scope.
This message may sometimes be due to an incorrectly
formed or spelled expression which is not intended to
be a field reference being parsed as if it were a field
reference because the parser does not recognize it. "
Can u please specify what Iam missing or what I need to do to achieve
the concatenatiuon of first name and second name.
Please help....I have already wasted time on this.
Thanks in Advance,
Kishan |
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| EddieA |
| Posted: Fri Jan 04, 2002 10:29 am Post subject: |
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Jedi
Joined: 28 Jun 2001
Posts: 2453
Location: Los Angeles
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Isn't this just:
SET "OutputRoot"."MRM"."fullname" = "InputBody"."name1"||'kish';
Why do you think you need the EVAL.
Cheers,
_________________
Eddie Atherton
IBM Certified Solution Developer - WebSphere Message Broker V6.1
IBM Certified Solution Developer - WebSphere Message Broker V7.0 |
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| kishankumar.v |
| Posted: Sun Jan 06, 2002 10:12 pm Post subject: |
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Apprentice
Joined: 26 Nov 2001
Posts: 47
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Hi,
I admit that was not needed .. but that was just one combination I was trying out ... Actually if Iam able to understand what that error message means may be I can find the source of the error...Iam not able to comprehend what that error message means.
Regards,
Kishan |
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| mpuetz |
| Posted: Mon Jan 07, 2002 8:08 am Post subject: |
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Centurion
Joined: 05 Jul 2001
Posts: 149
Location: IBM/Central WebSphere Services
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Hi,
your error message of your original message
means the following:
EVAL('somestring')
tries to evaluate the text 'somestring'
as a valid ESQL expression and tries to
execute it.
If you input message InputBody.name1 contain
the string 'kish' then your construct
EVAL("InputBody.name1" || 'kish')
would evaluate to
EVAL('kishkish')
Since you are using EVAL as the right-hand side of an assignement the only allowed expressions in this context are either
a value (number, string in quotes, etc)
or a variable (correlation) name.
Since kishkish is not a valid value (not
a number or a string in quotes) the ESQL
interpreter tries to evaluate it as a
correlation or variable name. Since you
haven't defined a variable with the name
kishkish, it's not valid. That's way you
get the error message.
_________________
Mathias Puetz
IBM/Central WebSphere Services
WebSphere Business Integration Specialist |
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