Posted by
Erik Bruchez on
URL: https://discuss.orbeon.com/repeat-bug-tp1473415p1473599.html
All,
Here is how the expression should be written:
instance('searchHelpFieldsResult')/Content/F4OutputValues/Values/item[$position]/*[local-name()
= $resultFieldName]
Say $resultFieldName contains a string 'foobar'. Then writing the
original expression would be the same as:
instance('searchHelpFieldsResult')/Content/F4OutputValues/Values/item[$position]/'foobar'
This is different from writing:
instance('searchHelpFieldsResult')/Content/F4OutputValues/Values/item[$position]/foobar
In the first case, the expression returns a string called 'foobar',
for each selected <item> element.
In the second case, the last part of the expression is an element
test: it tests for elements <foobar> children of the selected <item>
element and returns them.
On the other hand, *[local-name() = 'foobar'] conceptually works in two steps:
* first it selects all children elements children of the selected <item> element
* then it filters them if their local name is 'foobar'
You could also write:
*[name() = 'foobar']
if you want to check on the full qualified name of the element.
-Erik
On Mon, Feb 8, 2010 at 11:37 AM, Alexandru Ionita
<
[hidden email]> wrote:
>
>
> Hello guys
> We are facing a very unpleasant situation and we think this is a bug.
> We have the following reference:
>
> <xf:output
> ref="instance('searchHelpFieldsResult')/Content/F4OutputValues/Values/item[$position]/$resultFieldName"></xf:output>
>
> both variables $position and $resultFieldName are visible in this scope
> but this expression will return the value stored in $resultFieldName !!!
> If I replace the variable reference ($resultFieldName) with the value
> itself, everything works great.
> eg:
> $resultFieldName -> "SAKNR"
> instance('searchHelpFieldsResult')/Content/F4OutputValues/Values/item[$position]/$resultFieldName
> = "SAKNR" !!!!!!!!
> instance('searchHelpFieldsResult')/Content/F4OutputValues/Values/item[$position]/SAKNR
> = "real_value" (OK!)
>
> Thank you!
> Alexandru
>
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