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Re: DBIx and ManyToMany Relationships

by moritz (Cardinal)
on May 30, 2012 at 11:55 UTC ( #973270=note: print w/ replies, xml ) Need Help??

in reply to DBIx and ManyToMany Relationships

My DBIx::Class knowledge is a bit rusty, but I think what you want is

$rs->search( {}, { rows => 10, join => { contentlinks => 'content' }, prefetch => { contentlinks => 'content' }, } );

(It might be that the prefetch alone is enough, and you don't need the join; I'm not quite sure).

For constructing queries, ignore your ManyToMany -- it is not a reliationship you can use in queries (only a shortcut on the result objects), so it probably confuses you. Simply ignore it.

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Re^2: DBIx and ManyToMany Relationships
by tospo (Hermit) on May 30, 2012 at 12:18 UTC

    oh yeeah, you're right, I accidentally wrote { contentlinks => 'repo' } in my above reply but of course i wouldn't make sense to link back to "repo". join => { contentlinks => 'content' } is the correct path.

    I'm also never sure whether prefetch alone is sufficient. For the cases I had so far, it seems to be but then the docs always seem to include both so I do it as well to be on the safe side just in case this behaviour is changed in future version.

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