package SQL::Translator::Schema::Index;
# ----------------------------------------------------------------------
-# $Id: Index.pm,v 1.5 2003-06-06 22:34:46 kycl4rk Exp $
-# ----------------------------------------------------------------------
-# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>
+# 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
=cut
use strict;
-use Class::Base;
use SQL::Translator::Schema::Constants;
use SQL::Translator::Utils 'parse_list_arg';
-use base 'Class::Base';
+use base 'SQL::Translator::Schema::Object';
+
use vars qw($VERSION $TABLE_COUNT $VIEW_COUNT);
-$VERSION = 1.00;
+$VERSION = '1.59';
my %VALID_INDEX_TYPE = (
- UNIQUE, 1,
- NORMAL, 1,
- FULL_TEXT, 1, # MySQL only (?)
+ UNIQUE => 1,
+ NORMAL => 1,
+ FULLTEXT => 1, # MySQL only (?)
+ FULL_TEXT => 1, # MySQL only (?)
+ SPATIAL => 1, # MySQL only (?)
);
# ----------------------------------------------------------------------
-sub init {
+
+__PACKAGE__->_attributes( qw/
+ name type fields table options
+/);
=pod
=cut
- my ( $self, $config ) = @_;
-
- for my $arg ( qw[ name type fields table ] ) {
- next unless $config->{ $arg };
- defined $self->$arg( $config->{ $arg } ) or return;
- }
-
- return $self;
-}
-
# ----------------------------------------------------------------------
sub fields {
my $type = $index->type('unique');
+Get or set the index's options (e.g., "using" or "where" for PG). Returns
+
+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.
+
=cut
- my $self = shift;
+ my ( $self, $type ) = @_;
- if ( my $type = shift ) {
+ if ( $type ) {
+ $type = uc $type;
return $self->error("Invalid index type: $type")
unless $VALID_INDEX_TYPE{ $type };
$self->{'type'} = $type;
}
- return $self->{'type'} || NORMAL;
+ return $self->{'type'} || 'NORMAL';
}
+# ----------------------------------------------------------------------
+sub equals {
+
+=pod
+
+=head2 equals
+
+Determines if this index is the same as another
+
+ my $isIdentical = $index1->equals( $index2 );
+
+=cut
+
+ my $self = shift;
+ my $other = shift;
+ my $case_insensitive = shift;
+ my $ignore_index_names = shift;
+
+ return 0 unless $self->SUPER::equals($other);
+
+ unless ($ignore_index_names) {
+ unless ((!$self->name && ($other->name eq $other->fields->[0])) ||
+ (!$other->name && ($self->name eq $self->fields->[0]))) {
+ return 0 unless $case_insensitive ? uc($self->name) eq uc($other->name) : $self->name eq $other->name;
+ }
+ }
+ #return 0 unless $self->is_valid eq $other->is_valid;
+ return 0 unless $self->type eq $other->type;
+
+ # Check fields, regardless of order
+ my %otherFields = (); # create a hash of the other fields
+ foreach my $otherField ($other->fields) {
+ $otherField = uc($otherField) if $case_insensitive;
+ $otherFields{$otherField} = 1;
+ }
+ foreach my $selfField ($self->fields) { # check for self fields in hash
+ $selfField = uc($selfField) if $case_insensitive;
+ return 0 unless $otherFields{$selfField};
+ delete $otherFields{$selfField};
+ }
+ # Check all other fields were accounted for
+ return 0 unless keys %otherFields == 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 {
=head1 AUTHOR
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
=cut