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rehe
PostPosted: Mon Sep 22, 2003 1:44 pm    Post subject: XML ESQL query Reply with quote

Novice

Joined: 17 Jul 2003
Posts: 13
Is it possible to refer to an element in a message body dynamically

eg.

Sample message flow
<Message>
<data_value_1>
<data_value_2>
<data_value_3>

I would like to be able do something like refer to data_value_I where I is a counter in a loop.
When I try to do this in ESQL with
"InputBody"."Message"."data_value_" || I
it tries to parse the "InputBody"."Message".data_value_" part first and evaluates it to null before appending the counter which I have cast as a char.
Is there any way I get get around this or I am approaching this incorrectly?
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kirani
PostPosted: Mon Sep 22, 2003 7:52 pm    Post subject: Reply with quote

Jedi Knight

Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA
Yes, this is possible by using dynamic field name resolution using {}. For example,
InputBody."Message".{'data_value_' || I} will resolve into InputBody."Message".data_value_1, where 1 is value of I (char data type).
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