sort container parameters

Alex Tweedly alex at tweedly.net
Tue Mar 2 19:36:28 EST 2021


The number of lines being sorted makes o difference.

The number of distinct sorts will - but at a single 'do' for each of 
"several hundreds", you'll not even notice except (maybe) if you are 
benchmarking it (around 5ms per 1000 'do's on an elderly MacBook Pro).

Alex.

On 02/03/2021 22:52, Paul Dupuis via use-livecode wrote:
> Okay. Thank you Ralph.
>
> I was reluctant to use "do" for performance reasons. The sort could be 
> sorting a large number of lines - as many as several hundred sorts of 
> a thousand to ten thousand lines.
>
> I could of course do timing trials, but does anyone from the 
> mothership (or anyone period) know if using "do" with a container sort 
> causes any appreciable performance hit? All the data is in a variable 
> (vs fields).
>
>
> On 3/2/2021 5:19 PM, Ralph DiMola via use-livecode wrote:
>> I found that you must us a "Do"(thank heaven for "Do"s) if you want 
>> to make variable any LC token that colorizes like "stack", "the", 
>> "field", "button", "put" or "ascending".
>>
>> I don't think "Do" is a kludge is this case.
>>
>> Ralph DiMola
>> IT Director
>> Evergreen Information Services
>> rdimola at evergreeninfo.net
>>
>> -----Original Message-----
>> From: use-livecode [mailto:use-livecode-bounces at lists.runrev.com] On 
>> Behalf Of Paul Dupuis via use-livecode
>> Sent: Tuesday, March 02, 2021 4:56 PM
>> To: use-livecode at lists.runrev.com
>> Cc: Paul Dupuis
>> Subject: sort container parameters
>>
>> I just discovered much to my dismay that you can not execute the 
>> following:
>>
>> put "ascending" into tDirection
>> soft lines of tContainer tDirection international
>>
>> apparently neither the sort direction (ascending|descending) nor the 
>> sort type (international|text|datetime|numeric|binary) can be variable!
>>
>> That means if you want to parameterize a sort direction, you have to 
>> do something like:
>>
>> if tDirection is "ascending" then
>>     sort lines of tContainer ascending international else
>>     sort lines of tCOntainer descending international end if
>>
>> I see this a a bug or perhaps a failure to fully robust impliment the 
>> sort container command? Does any one else see this as a bug?
>>
>> I suppose I could work around it with a "do" but that seems like a 
>> cludge
>>
>> do ("sort line of tContainer" && tDirection && tSortType)
>>
>> Thoughts? Comments? Opinions? Am I expecting too much of LiveCode to 
>> have sort direction and type actual parameters?
>>
>>
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