package SQL::Translator::Schema::Index;
-# ----------------------------------------------------------------------
-# Copyright (C) 2002-2009 SQLFairy Authors
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; version 2.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA
-# -------------------------------------------------------------------
-
=pod
=head1 NAME
=cut
-use strict;
+use Moo;
use SQL::Translator::Schema::Constants;
-use SQL::Translator::Utils 'parse_list_arg';
-
-use base 'SQL::Translator::Schema::Object';
-
-use vars qw($VERSION $TABLE_COUNT $VIEW_COUNT);
+use SQL::Translator::Utils qw(parse_list_arg ex2err throw);
+use SQL::Translator::Types qw(schema_obj);
+use List::MoreUtils qw(uniq);
+
+with qw(
+ SQL::Translator::Role::Error
+ SQL::Translator::Role::BuildArgs
+ SQL::Translator::Schema::Role::Extra
+ SQL::Translator::Schema::Role::Compare
+);
-$VERSION = '1.59';
+our $VERSION = '1.59';
my %VALID_INDEX_TYPE = (
UNIQUE => 1,
SPATIAL => 1, # MySQL only (?)
);
-# ----------------------------------------------------------------------
-
-__PACKAGE__->_attributes( qw/
- name type fields table options
-/);
-
-=pod
-
=head2 new
Object constructor.
my $schema = SQL::Translator::Schema::Index->new;
-=cut
-
-# ----------------------------------------------------------------------
-sub fields {
-
-=pod
-
=head2 fields
Gets and set the fields the index is on. Accepts a string, list or
=cut
+has fields => (
+ is => 'rw',
+ default => sub { [] },
+ coerce => sub { [uniq @{parse_list_arg($_[0])}] },
+);
+
+around fields => sub {
+ my $orig = shift;
my $self = shift;
my $fields = parse_list_arg( @_ );
+ $self->$orig($fields) if @$fields;
- if ( @$fields ) {
- my ( %unique, @unique );
- for my $f ( @$fields ) {
- next if $unique{ $f };
- $unique{ $f } = 1;
- push @unique, $f;
- }
-
- $self->{'fields'} = \@unique;
- }
+ return wantarray ? @{ $self->$orig } : $self->$orig;
+};
- return wantarray ? @{ $self->{'fields'} || [] } : $self->{'fields'};
-}
-
-# ----------------------------------------------------------------------
sub is_valid {
=pod
return 1;
}
-# ----------------------------------------------------------------------
-sub name {
-
-=pod
-
=head2 name
Get or set the index's name.
=cut
- my $self = shift;
- $self->{'name'} = shift if @_;
- return $self->{'name'} || '';
-}
-
-# ----------------------------------------------------------------------
-sub options {
-
-=pod
+has name => ( is => 'rw', coerce => sub { defined $_[0] ? $_[0] : '' }, default => sub { '' } );
=head2 options
=cut
+has options => (
+ is => 'rw',
+ default => sub { [] },
+ coerce => \&parse_list_arg,
+);
+
+around options => sub {
+ my $orig = shift;
my $self = shift;
my $options = parse_list_arg( @_ );
- push @{ $self->{'options'} }, @$options;
-
- if ( ref $self->{'options'} ) {
- return wantarray ? @{ $self->{'options'} || [] } : $self->{'options'};
- }
- else {
- return wantarray ? () : [];
- }
-}
-
-# ----------------------------------------------------------------------
-sub table {
+ push @{ $self->$orig }, @$options;
-=pod
+ return wantarray ? @{ $self->$orig } : $self->$orig;
+};
=head2 table
=cut
- my $self = shift;
- if ( my $arg = shift ) {
- return $self->error('Not a table object') unless
- UNIVERSAL::isa( $arg, 'SQL::Translator::Schema::Table' );
- $self->{'table'} = $arg;
- }
+has table => ( is => 'rw', isa => schema_obj('Table'), weak_ref => 1 );
- return $self->{'table'};
-}
-
-# ----------------------------------------------------------------------
-sub type {
-
-=pod
+around table => \&ex2err;
=head2 type
my $type = $index->type('unique');
-Get or set the index's options (e.g., "using" or "where" for PG). Returns
+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
=cut
- my ( $self, $type ) = @_;
-
- if ( $type ) {
- $type = uc $type;
- return $self->error("Invalid index type: $type")
- unless $VALID_INDEX_TYPE{ $type };
- $self->{'type'} = $type;
- }
-
- return $self->{'type'} || 'NORMAL';
-}
-
-# ----------------------------------------------------------------------
-sub equals {
+has type => (
+ is => 'rw',
+ isa => sub {
+ my $type = uc $_[0] or return;
+ throw("Invalid index type: $type") unless $VALID_INDEX_TYPE{$type};
+ },
+ coerce => sub { uc $_[0] },
+ default => sub { 'NORMAL' },
+);
-=pod
+around type => \&ex2err;
=head2 equals
=cut
+around equals => sub {
+ my $orig = shift;
my $self = shift;
my $other = shift;
my $case_insensitive = shift;
my $ignore_index_names = shift;
- return 0 unless $self->SUPER::equals($other);
+ return 0 unless $self->$orig($other);
unless ($ignore_index_names) {
unless ((!$self->name && ($other->name eq $other->fields->[0])) ||
return 0 unless $self->_compare_objects(scalar $self->options, scalar $other->options);
return 0 unless $self->_compare_objects(scalar $self->extra, scalar $other->extra);
return 1;
-}
+};
-# ----------------------------------------------------------------------
-sub DESTROY {
- my $self = shift;
- undef $self->{'table'}; # destroy cyclical reference
-}
+# Must come after all 'has' declarations
+around new => \&ex2err;
1;
-# ----------------------------------------------------------------------
-
=pod
=head1 AUTHOR