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Calvin IIISubject: New to XQuery question
Author: Calvin III
Date: 02 May 2005 04:53 PM
Hello,
I am new to XQuery and XPath, having problmes understanding the following 3 statements:

.[//@id], .[//[not(@id)]], .[not(//[not(@id))]]

can anyone help?
thanks in advance
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(Deleted User) Subject: New to XQuery question
Author: (Deleted User)
Date: 03 May 2005 04:40 AM
>Hello,
>I am new to XQuery and XPath, having problmes understanding the
>following 3 statements:
>.[//@id]

This will return the current context if it or one of its children contains an attribute named "id"

>.[//[not(@id)]]

This has an error: "//" must be followed by a test expression.
I guess you meant ".[//*[not(@id)]]".
This will return the current context if it or one of its children does not contain an attribute named "id"

>.[not(//[not(@id))]]

Two errors here: the same "//" not followed by a test expression, and the last ")" closed before the "]".
I guess you meant ".[not(//*[not(@id)])]".
This will return the current context if it and all of its children contain an attribute named "id"

Alberto
   
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