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Re^2: Sort on Number Embedded in String

by crenz (Priest)
on Mar 24, 2005 at 13:43 UTC ( #442040=note: print w/replies, xml ) Need Help??

in reply to Re: Sort on Number Embedded in String
in thread Sort on Number Embedded in String

I think in a case like this, it depends on what the code is meant for. If it's just to play around and to find a faster solution for yourself, using the Schwartzian Transform might be a nice idea. But if it's for a production environment, your code (IMHO) might be better suited since it is more clear. In this case, the comparison is cheap enough to warrant wasting more cycles in favour of readability.

Remember, there will always be a programmer after you who has to read your code. And only in an ideal world is (s)he familiar with advanced Perl techniques.

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[hippo]: Make it an option?
[Corion]: hippo: Yes, but I'm not sure that it's even worth the effort of implementing it at all...
[Corion]: You'll only ever need that option if you have a long-running query whose results are not cached by your DB already, and in those cases I presume that the programmer will want to maintain the temporary tables themselves - I wouldn't know when to drop ...
[Corion]: ... the temporary tables, and also don't have a good idea on how to create unique table names for them
[hippo]: OIC. In that case leave it out but invite feature requests and see if any of the users suggest it. :-)
[Corion]: Talking about this makes me realize that it's likely only a half useful idea. But it still would be convenient to have as an option...
[Corion]: hippo: Hmmm - yeah, I could document it and wait for code implementing that option to show up ;-D

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