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Re^3: A Better Word Morph Builder

by Solo (Deacon)
on Jun 29, 2006 at 20:43 UTC ( #558446=note: print w/replies, xml ) Need Help??


in reply to Re^2: A Better Word Morph Builder
in thread A Better Word Morph Builder

Thanks for the benchmark! You're right, it is bi-directional. And you caught me, 'a'..'z' was a precomputed optimization based on the set of characters found in my wordlist. ;) Does 2of12 include additional characters?


--Solo

--
You said you wanted to be around when I made a mistake; well, this could be it, sweetheart.

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Re^4: A Better Word Morph Builder
by Ieronim (Friar) on Jun 29, 2006 at 21:57 UTC
    2of12 includes only [a-z'0-9-]. But as i am Russian, i wanted the algorithm to work with any language ;) And it does, but takes a HUGE amount of time to process my 1Mb russian wordlist :(

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[erix]: then you might as well send that patch to the DBIC guys :)
[Corion]: erix: Yeah, I just found that it has no documentation at all on how to circumvent/ eliminate "1+n SELECTs" by building a local hash... I guess I have to make ->has_many do the hash lookup instead of doing the SQL query. But as the problem ...
[Corion]: ... has only manifested itself so far through the puzzled questions of other bystanders, I won't go deeper at this time. But the DBIx::Class documentation could well do with a document on how to make "it" (that is, ORMs in general) faster ;)
[Corion]: I find that DBIx::Class, like most ORMs makes things easy until they become performance critical and then makes it horribly hard to change things because the design is highly inflexible if you don't already know about the problems of 1+n :-/
[choroba]: that's why I don't like similar libraries. They pretend you don't have to learn SQL, but in the end, you have to learn how SQL plus to overcome their own limitations
[Corion]: "Just write the proper SQL beforehand" is of course the appropriate solution, but if you did that, you wouldn't/couldn't use DBIx::Class either. At least not in an obvious (to me) way.
choroba scratches a "how"
[Corion]: choroba: Exactly... But maybe that's just because I'm old and grumpy ;)
[Corion]: But maybe that could also be a nice talk, how to restructure your DBIx::Class-based app to remove 1+n-style query patterns

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