[Dbix-class] join problem ( change alias for table )
Howe, Tom (IDEAS PRACTICE AREAS)
Tom.Howe at MorganStanley.com
Tue Jan 20 16:39:40 GMT 2009
Are there any good examples of modelling inheritance with DBIx::Class?
Thanks,
________________________________
From: Oleg Pronin [mailto:syber.rus at gmail.com]
Sent: 20 January 2009 15:11
To: DBIx::Class user and developer list
Subject: Re: [Dbix-class] join problem ( change alias for table )
The best way is to use quote_char
In your MyDB.pm Model:
__PACKAGE__->config(
schema_class => ...
connect_info => [
...,
{
quote_char => q{"},
name_sep => q{.},
},
],
);
But you will still in trouble when writing
order_by => 'user DESC'
because of bug in SQL Abstarct, you will get ORDER BY "user DESC"
the workaround is to write
order_by => \' "user" DESC',
or
order_by => \'me.user DESC',
2009/1/20 ivan <ivan at price.ru<mailto:ivan at price.ru>>
my $s = $c->model('MyDB');
my $result = $s ->resultset('Client') -> search(
{ 'id' => $id },
join => [qw/ user /],
);
Result SQL:
SELECT COUNT( * ) FROM client me LEFT OUTER JOIN users user ON (
user.user_id = me.user_id ) WHERE ( id = ? )
But 'user' - it is PostgreSQL reserve word.
can I change alias for table users ?
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