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view Lib/IMPL/SQL/Schema/Constraint/Index.pm @ 284:f2a6bc5f3184

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+IMPL::Object::InlineFactory: implement object factory as subroutine
author sergey
date Thu, 14 Feb 2013 19:14:02 +0400
parents 6148f89bb7bf
children
line wrap: on
line source

package IMPL::SQL::Schema::Constraint::Index;
use strict;
use parent qw(IMPL::SQL::Schema::Constraint);

__PACKAGE__->PassThroughArgs;
__PACKAGE__->RegisterAlias('index');

sub CTOR {
    my $this = shift;
    
    my %colnames;
    not grep { $colnames{$_}++ } $this->columns or die new Exception('Each column in the index can occur only once');
}

1;