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RE: (ESED-813) XOR operator in XPath

From: McDOWALL, Brent <Brent.McDOWALL@suncorp.com.au>
Date: Fri, 23 Apr 2010 10:52:10 +1000
To: 'Michael Kay' <mike@saxonica.com>, "'public-qt-comments@w3.org'" <public-qt-comments@w3.org>
CC: EasySuite Operations <EasySuiteOperations@suncorp.com.au>
Message-ID: <D55420D05B737D47B7EC77AAE0C2B3EA121C7846E7@PBNECRMSX4710.int.corp.sun>
Thank you Michael, I am happy for the suggestion to stand for consideration by the working group.

Regards,

[cid:image001.jpg@01CAE2D2.FCC7EA10]

BRENT MCDOWALL  |  System Analyst
EasySuite | Shared Services | BT Corporate Systems
Suncorp | Level 19 Suncorp Plaza | cnr Turbot & Albert Street, Brisbane 4000
ext: 21307 | tel: (07) 3362 1307 | fax: (07) 3362 2966 | ipc: IT042



From: Michael Kay [mailto:mike@saxonica.com]
Sent: Thursday, 22 April 2010 18:55
To: McDOWALL, Brent; public-qt-comments@w3.org
Cc: EasySuite Operations
Subject: RE: (ESED-813) XOR operator in XPath

I should stress that my opinion isn't the last word on the matter. Unless you want to withdraw the suggestion, it will be considered by the working group as a whole.


Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay

________________________________
From: McDOWALL, Brent [mailto:Brent.McDOWALL@suncorp.com.au]
Sent: 22 April 2010 06:31
To: 'Michael Kay'; 'public-qt-comments@w3.org'
Cc: EasySuite Operations
Subject: RE: (ESED-813) XOR operator in XPath
Hi Michael,

That wasn't really the response I was after, but thank you for the suggestion and taking the time to look at the matter.

Regards,

[cid:image001.jpg@01CAE2D2.FCC7EA10]

BRENT MCDOWALL  |  System Analyst
EasySuite | Shared Services | BT Corporate Systems
Suncorp | Level 19 Suncorp Plaza | cnr Turbot & Albert Street, Brisbane 4000
ext: 21307 | tel: (07) 3362 1307 | fax: (07) 3362 2966 | ipc: IT042



From: Michael Kay [mailto:mike@saxonica.com]
Sent: Wednesday, 21 April 2010 16:47
To: McDOWALL, Brent; public-qt-comments@w3.org
Cc: EasySuite Operations
Subject: RE: (ESED-813) XOR operator in XPath


However, for a user of XPath, I think providing the operator that directly translates to the concept a user might be looking for, rather than a 'logically equivalent' operator, is a nice thing to do. It seems a simple enough translation, but if I can spare my business users of XPath from needing to make one more small leap in their boolean algebra cogitations, then I'd be happy to do so.


Well, you can always wrap it in a function

declare function f:xor($a as xs:boolean, $b as xs:boolean)  as xs:boolean {
    $a != $b
}


Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay

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Received on Friday, 23 April 2010 00:53:34 UTC

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