package SQL::Translator::Schema::Index;
# ----------------------------------------------------------------------
-# $Id: Index.pm,v 1.10 2004-11-05 13:19:31 grommit Exp $
+# $Id: Index.pm,v 1.18 2007-10-24 10:55:44 schiffbruechige Exp $
# ----------------------------------------------------------------------
# Copyright (C) 2002-4 SQLFairy Authors
#
use vars qw($VERSION $TABLE_COUNT $VIEW_COUNT);
-$VERSION = sprintf "%d.%02d", q$Revision: 1.10 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.18 $ =~ /(\d+)\.(\d+)/;
my %VALID_INDEX_TYPE = (
UNIQUE, 1,
# ----------------------------------------------------------------------
__PACKAGE__->_attributes( qw/
- name type fields table
+ name type fields table options
/);
=pod
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 {