Mercurial > pub > Impl
view Lib/IMPL/SQL/Schema/Constraint/Index.pm @ 179:b3d91ff7aea9
minor changes
author | sourcer |
---|---|
date | Tue, 20 Dec 2011 23:00:30 +0300 |
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;