annotate Lib/IMPL/SQL/Schema/Constraint/Index.pm @ 361:eff7f75a4408
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cin |
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Wed, 27 Nov 2013 17:12:38 +0400 |
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6148f89bb7bf |
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1 package IMPL::SQL::Schema::Constraint::Index;
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2 use strict;
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3 use parent qw(IMPL::SQL::Schema::Constraint);
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4
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5 __PACKAGE__->PassThroughArgs;
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6 __PACKAGE__->RegisterAlias('index');
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7
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8 sub CTOR {
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9 my $this = shift;
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11 my %colnames;
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12 not grep { $colnames{$_}++ } $this->columns or die new Exception('Each column in the index can occur only once');
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13 }
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15 1;
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