Mercurial > pub > Impl
annotate Lib/IMPL/SQL/Schema/Constraint/Index.pm @ 344:f1d67615a5b1
uml diagram
| author | cin | 
|---|---|
| date | Mon, 23 Sep 2013 00:09:26 +0400 | 
| parents | 6148f89bb7bf | 
| children | 
| rev | line source | 
|---|---|
| 49 | 1 package IMPL::SQL::Schema::Constraint::Index; | 
| 2 use strict; | |
| 165 | 3 use parent qw(IMPL::SQL::Schema::Constraint); | 
| 49 | 4 | 
| 5 __PACKAGE__->PassThroughArgs; | |
| 168 | 6 __PACKAGE__->RegisterAlias('index'); | 
| 49 | 7 | 
| 8 sub CTOR { | |
| 9 my $this = shift; | |
| 10 | |
| 11 my %colnames; | |
| 168 | 12 not grep { $colnames{$_}++ } $this->columns or die new Exception('Each column in the index can occur only once'); | 
| 49 | 13 } | 
| 14 | |
| 15 1; | 
