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can I use a user variable for xpath_expr
Posted by: Steffen Sens
Date: January 22, 2008 09:26AM


it is not possible to put a variable for xpath_expr instead a string like '//a/b[1]' in function

extractValue(xml_frag, xpath_expr)

For xml_frag it is possible to use a variable.

I would love to keep a whole xpath_expr whithin a variable and run the function like

set @xml := load_file('/tmp/test.xml');
set @xpath = '//a/b[1]';

extractValue(@xml, @xpath);


extractValue(@xml, $@xpath);

...but both does not work...or?

best regards
Steffen Sens

Edited 1 time(s). Last edit at 01/22/2008 10:04AM by Steffen Sens.

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can I use a user variable for xpath_expr
January 22, 2008 09:26AM

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