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comparison Lib/IMPL/SQL/Schema/Constraint/Index.pm @ 168:6148f89bb7bf

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IMPL::SQL::Schema::Traits::Diff alfa version IMPL::lang added hash traits
author sourcer
date Mon, 16 May 2011 04:30:38 +0400
parents 76515373dac0
children
comparison
equal deleted inserted replaced
167:1f7a6d762394 168:6148f89bb7bf
1 package IMPL::SQL::Schema::Constraint::Index; 1 package IMPL::SQL::Schema::Constraint::Index;
2 use strict; 2 use strict;
3 use parent qw(IMPL::SQL::Schema::Constraint); 3 use parent qw(IMPL::SQL::Schema::Constraint);
4 4
5 __PACKAGE__->PassThroughArgs; 5 __PACKAGE__->PassThroughArgs;
6 __PACKAGE__->RegisterAlias('index');
6 7
7 sub CTOR { 8 sub CTOR {
8 my $this = shift; 9 my $this = shift;
9 10
10 my %colnames; 11 my %colnames;
11 not grep { $colnames{$_}++ } @{$this->columns} or die new Exception('Each column in the index can occur only once'); 12 not grep { $colnames{$_}++ } $this->columns or die new Exception('Each column in the index can occur only once');
12 } 13 }
13 14
14 1; 15 1;