02-27-2017
Given that the 1st five characters of every line in your sample input is unique, you aren't going to find any duplicates. And, the file is already in sorted order. Are you trying to compare a substring of the lines in your file instead of whole lines?
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LEARN ABOUT DEBIAN
sql::translator::schema::index
SQL::Translator::Schema::Index(3pm) User Contributed Perl Documentation SQL::Translator::Schema::Index(3pm)
NAME
SQL::Translator::Schema::Index - SQL::Translator index object
SYNOPSIS
use SQL::Translator::Schema::Index;
my $index = SQL::Translator::Schema::Index->new(
name => 'foo',
fields => [ id ],
type => 'unique',
);
DESCRIPTION
"SQL::Translator::Schema::Index" is the index object.
Primary and unique keys are table constraints, not indices.
METHODS
new
Object constructor.
my $schema = SQL::Translator::Schema::Index->new;
fields
Gets and set the fields the index is on. Accepts a string, list or arrayref; returns an array or array reference. Will unique the field
names and keep them in order by the first occurrence of a field name.
$index->fields('id');
$index->fields('id', 'name');
$index->fields( 'id, name' );
$index->fields( [ 'id', 'name' ] );
$index->fields( qw[ id name ] );
my @fields = $index->fields;
is_valid
Determine whether the index is valid or not.
my $ok = $index->is_valid;
name
Get or set the index's name.
my $name = $index->name('foo');
options
Get or set the index's options (e.g., "using" or "where" for PG). Returns an array or array reference.
my @options = $index->options;
table
Get or set the index's table object.
my $table = $index->table;
type
Get or set the index's type.
my $type = $index->type('unique');
Get or set the index's type.
Currently there are only four acceptable types: UNIQUE, NORMAL, FULL_TEXT, and SPATIAL. The latter two might be MySQL-specific. While both
lowercase and uppercase types are acceptable input, this method returns the type in uppercase.
equals
Determines if this index is the same as another
my $isIdentical = $index1->equals( $index2 );
AUTHOR
Ken Youens-Clark <kclark@cpan.org>.
perl v5.14.2 2012-01-18 SQL::Translator::Schema::Index(3pm)