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annotate Lib/IMPL/SQL/Schema/Constraint/Index.pm @ 164:eb3e9861a761

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SQL traits in progress
author wizard
date Mon, 28 Mar 2011 01:36:24 +0400
parents 16ada169ca75
children 76515373dac0
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1 package IMPL::SQL::Schema::Constraint::Index;
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2 use strict;
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3 use base qw(IMPL::SQL::Schema::Constraint);
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4
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5 __PACKAGE__->PassThroughArgs;
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6
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7 sub CTOR {
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8 my $this = shift;
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9
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10 my %colnames;
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11 not grep { $colnames{$_}++ } @{$this->Columns} or die new Exception('Each column in the index can occur only once');
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12 }
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14 1;