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annotate Lib/IMPL/SQL/Schema/Constraint/Index.pm @ 32:56cef8e3cda6

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author Sergey
date Mon, 09 Nov 2009 01:39:31 +0300
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children 0004faa276dc
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32
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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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13
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14 1;