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SQL queries in Catalyst

by Shuraski (Scribe)
on Nov 05, 2012 at 17:04 UTC ( #1002365=perlquestion: print w/replies, xml ) Need Help??
Shuraski has asked for the wisdom of the Perl Monks concerning the following question:

Hello Monks,
A general question here about how those wiser than I have built user-generated searches of the SQL back-end into their Catalyst web apps. Have you generated specific ResultSets for each search parameter? Or have you incorporated something like SQL::Abstract::Query? Or another technique? Perhaps a tried-and-true CPAN module that I can't seem to find in CPAN? Much thanks for any ideas.

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Re: SQL queries in Catalyst
by sundialsvc4 (Abbot) on Nov 05, 2012 at 17:31 UTC

    I am of the opinion that it really depends entirely upon what your business-needs are.   It begins, of course, with what sort of search capability you intend to provide in your product ... what options you provide and how those options may (or may not) be used together.   This, and your database schema, defines what the search strategy or strategies may consist of; what makes sense.   And this, in turn, governs the implementation.

    The Catalyst framework by-design does not impose any strictures upon how you “must” implement the Model layer.   TMTOWTDI™.

    Obviously, one thing that must always be in the front of your mind when dealing with user-generated queries is that you must not allow the user to query for the entire world.   You must set reasonable limits not only on what the user may ask for, but how much.   In your logic, you must know, and know very well, what each query possibility ultimately leads to.

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