Re: [Xsltforms-support] Select1 box: What is the reason for the delay?

peter winstanley Thu, 14 Mar 2013 07:07:16 -0700

Answering my own question ...

distinct-values(instance('report-transformed')/body/table/tr/td[3]) takes 69ms whereas the original below is over 9 seconds!

Peter

-----Original Message-----
From: [email protected]
Sent: Thu, 14 Mar 2013 05:20:33 -0800
To: [email protected]
Subject: Re: [Xsltforms-support] Select1 box: What is the reason for the delay?

Alain and other list members

After examining the profiler I see that the main time is taken with the following:

instance('report-transformed')/body/table/tr[not(td[3] = preceding-sibling::tr/td[3]) and not(td[3]='')]

This is my way of populating a second select box with unique values from an xhtml file that is loaded into my form, and I suspect (but don't know) that changing the selected value in my first select box is triggering a refresh of the whole form. Is this the case? Can it be prevented so that it only happens when I make a submission on the changed select box value?

Cheers

Peter

-----Original Message-----
From: [email protected]
Sent: Wed, 13 Mar 2013 22:08:11 +0100
To: [email protected]
Subject: Re: [Xsltforms-support] Select1 box: What is the reason for the delay?

Yes, currently, there is no optimization for // in XSLTForms.

It means that each and every nodes in the subtree are tested.

Using the id() function, when possible, can be very useful too.

-Alain

Le 13/03/2013 22:02, peter winstanley a écrit :

Hello Alain

Thanks you for our kind suggestions.... so is // much more computationally intensive than using the full path in an XPath _expression_?

Regards

Peter

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