Mercurial > pub > Impl
annotate Lib/IMPL/SQL/Schema/Constraint/Index.pm @ 247:2270de2469ff
sync
author | sergey |
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date | Wed, 31 Oct 2012 04:18:35 +0400 |
parents | 6148f89bb7bf |
children |
rev | line source |
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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; |