Mercurial > pub > Impl

annotate lib/IMPL/SQL/Schema/Constraint/Index.pm @ 423:60c2892a577c ref20150831

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working on base class system
author cin
date Mon, 02 Apr 2018 07:35:23 +0300
parents c6e90e02dd17
children
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407
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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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10
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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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14
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15 1;