Re: SUMMARY: Re: Sorting on a variable

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Re: SUMMARY: Re: Sorting on a variable

Subject: Re: SUMMARY: Re: Sorting on a variable
From: David Carlisle <davidc@xxxxxxxxx>
Date: Wed, 18 Oct 2000 09:10:31 GMT

PS

sum(price[@curr='xxx']) is probably quicker and better than
concat('0',price[@curr='xxx']) 

especially if there is any chance of white space in the input
<price curr='xxx'>
 1213
</price>

would kill the concat('0' construction.

In either case of course, th epoint is is to produce a version of 
price[@curr='xxx'] which acts as 0 rather than NaN in the case
that there is no element with that attribute.

David


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Current Thread
Sorting on a variable John E. Simpson - Sun, 15 Oct 2000 13:06:05 -0400 John E. Simpson - Mon, 16 Oct 2000 19:37:36 -0400 David Carlisle - Tue, 17 Oct 2000 11:26:43 GMT John E. Simpson - Tue, 17 Oct 2000 19:22:32 -0400 David Carlisle - Wed, 18 Oct 2000 09:10:31 GMT <= <Possible follow-ups> Kay Michael - Mon, 16 Oct 2000 10:39:44 +0100 Keith - Mon, 16 Oct 2000 09:31:11 -0500 mxmodi - Mon, 16 Oct 2000 10:30:22 -0500 Mike Brown - Mon, 16 Oct 2000 13:25:22 -0600 (MDT)

Current Thread

Sorting on a variable
- John E. Simpson - Sun, 15 Oct 2000 13:06:05 -0400
  - John E. Simpson - Mon, 16 Oct 2000 19:37:36 -0400
    - David Carlisle - Tue, 17 Oct 2000 11:26:43 GMT
      - John E. Simpson - Tue, 17 Oct 2000 19:22:32 -0400
      - David Carlisle - Wed, 18 Oct 2000 09:10:31 GMT <=
  - <Possible follow-ups>
  - Kay Michael - Mon, 16 Oct 2000 10:39:44 +0100
    - Keith - Mon, 16 Oct 2000 09:31:11 -0500
  - mxmodi - Mon, 16 Oct 2000 10:30:22 -0500
    - Mike Brown - Mon, 16 Oct 2000 13:25:22 -0600 (MDT)

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