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Catalyst + PostgreSQL + DBIx::Class all schemas

by woodpeaker (Novice)
on Mar 06, 2009 at 18:26 UTC ( #748933=perlquestion: print w/replies, xml ) Need Help??
woodpeaker has asked for the wisdom of the Perl Monks concerning the following question:

Hi Guys,

I have completed PostgreSQL database. Also, in database I have many schemas which contain tables.

I didn't find any way to how to generate models from exists database (for all schemas, not just for public). Maybe anybody helps to me?

    schema_class => 'Trak::Scheme',
    connect_info => 
        { AutoCommit => 0 },
        {quote_char  => '"', name_sep    => q{.},'on_connect_do'=>'SET search_path TO trak,public'},

So that code not helps as on_connect request executing after all models generated + I would like to have all modules dynamicly (speed doesn't matter).

  • Comment on Catalyst + PostgreSQL + DBIx::Class all schemas

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Re: Catalyst + PostgreSQL + DBIx::Class all schemas
by jasonk (Parson) on Mar 07, 2009 at 01:00 UTC

    From the docs for DBIx::Class::Schema::Loader:

    Currently the loader is limited to working within a single schema (using the database vendors' definition of "schema"). If you have a multi-schema database with inter-schema relationships (which is easy to do in PostgreSQL or DB2 for instance), you only get to automatically load the tables of one schema, and any relationships to tables in other schemas will be silently ignored.

    At some point in the future, an intelligent way around this might be devised, probably by allowing the db_schema option to be an arrayref of schemas to load.

    In "normal" DBIx::Class::Schema usage, manually-defined source classes and relationships have no problems crossing vendor schemas.

    So it can be done, but not by DBIx::Class::Schema::Loader, and therefore not automatically.
    We're not surrounded, we're in a target-rich environment!

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[Corion]: Text::CSV_XS for all your CSV file parsing needs. Other than that, what problems do you have with perlre, and capturing everything after the comma? Also, index and substr would also work.
[choroba]: my ($value) = $string =~ /.*,(.*)/
[choroba]: The .* at the beginning matches the longest possible substring, so it eats any previous commas
[choroba]: But for CSV, use appropriate modules

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