annotate lib/IMPL/SQL/Schema/Constraint/Index.pm @ 418:3f38dabaf5cc ref20150831

sync
author cin
date Mon, 28 Dec 2015 15:11:35 +0300
parents c6e90e02dd17
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
407
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
1 package IMPL::SQL::Schema::Constraint::Index;
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
2 use strict;
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
3 use parent qw(IMPL::SQL::Schema::Constraint);
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
4
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
5 __PACKAGE__->PassThroughArgs;
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
6 __PACKAGE__->RegisterAlias('index');
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
7
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
8 sub CTOR {
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
9 my $this = shift;
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
10
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
11 my %colnames;
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
12 not grep { $colnames{$_}++ } $this->columns or die new Exception('Each column in the index can occur only once');
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
13 }
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
14
c6e90e02dd17 renamed Lib->lib
cin
parents:
diff changeset
15 1;