Mercurial > pub > Impl
annotate Lib/Schema/DB/Constraint/Index.pm @ 6:e2cd73ccc5bd
DOM In development
author | Sergey |
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date | Fri, 14 Aug 2009 16:14:13 +0400 |
parents | 03e58a454b20 |
children | 16ada169ca75 |
rev | line source |
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0 | 1 package Schema::DB::Constraint::Index; |
2 use strict; | |
3 use Common; | |
4 use base qw(Schema::DB::Constraint); | |
5 | |
6 sub CTOR { | |
7 my $this = shift; | |
8 $this->SUPER::CTOR(@_); | |
9 | |
10 my %colnames; | |
11 not grep { $colnames{$_}++ } $this->Columns or die new Exception('Each column in the index can occur only once'); | |
12 } | |
13 | |
14 1; |