Mooify SQLT::Schema

[dbsrgits/SQL-Translator.git] / lib / SQL / Translator / Schema / Index.pm

diff --git a/lib/SQL/Translator/Schema/Index.pm b/lib/SQL/Translator/Schema/Index.pm
index 1464bba..469ad76 100644 (file)
--- a/lib/SQL/Translator/Schema/Index.pm
+++ b/lib/SQL/Translator/Schema/Index.pm
@@ -1,25 +1,5 @@
 package SQL::Translator::Schema::Index;
 
-# ----------------------------------------------------------------------
-# $Id: Index.pm,v 1.11 2005-06-27 21:59:19 duality72 Exp $
-# ----------------------------------------------------------------------
-# Copyright (C) 2002-4 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
@@ -46,25 +26,26 @@ Primary and unique keys are table constraints, not indices.
 =cut
 
 use strict;
+use warnings;
 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);
+our ( $TABLE_COUNT, $VIEW_COUNT );
 
-$VERSION = sprintf "%d.%02d", q$Revision: 1.11 $ =~ /(\d+)\.(\d+)/;
+our $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 (?)
 );
 
-# ----------------------------------------------------------------------
-
 __PACKAGE__->_attributes( qw/
-    name type fields table
+    name type fields table options
 /);
 
 =pod
@@ -77,7 +58,6 @@ Object constructor.
 
 =cut
 
-# ----------------------------------------------------------------------
 sub fields {
 
 =pod
@@ -115,7 +95,6 @@ names and keep them in order by the first occurrence of a field name.
     return wantarray ? @{ $self->{'fields'} || [] } : $self->{'fields'};
 }
 
-# ----------------------------------------------------------------------
 sub is_valid {
 
 =pod
@@ -141,7 +120,6 @@ Determine whether the index is valid or not.
     return 1;
 }
 
-# ----------------------------------------------------------------------
 sub name {
 
 =pod
@@ -159,7 +137,6 @@ Get or set the index's name.
     return $self->{'name'} || '';
 }
 
-# ----------------------------------------------------------------------
 sub options {
 
 =pod
@@ -186,7 +163,6 @@ an array or array reference.
     }
 }
 
-# ----------------------------------------------------------------------
 sub table {
 
 =pod
@@ -209,7 +185,6 @@ Get or set the index's table object.
     return $self->{'table'};
 }
 
-# ----------------------------------------------------------------------
 sub type {
 
 =pod
@@ -220,20 +195,27 @@ 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.
+
 =cut
 
-    my $self = shift;
+    my ( $self, $type ) = @_;
 
-    if ( my $type = shift ) {
-        return $self->error("Invalid index type: $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;
+    return $self->{'type'} || 'NORMAL';
 }
 
-# ----------------------------------------------------------------------
 sub equals {
 
 =pod
@@ -249,18 +231,38 @@ Determines if this index is the same as another
     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 $case_insensitive ? uc($self->name) eq uc($other->name) : $self->name eq $other->name;
-    return 0 unless $self->is_valid eq $other->is_valid;
+
+    unless ($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;
-    return 0 unless $self->_compare_objects($self->fields, $other->fields);
-    return 0 unless $self->_compare_objects($self->options, $other->options);
-    return 0 unless $self->_compare_objects($self->extra, $other->extra);
+
+    # 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 {
     my $self = shift;
     undef $self->{'table'}; # destroy cyclical reference
@@ -268,12 +270,10 @@ sub DESTROY {
 
 1;
 
-# ----------------------------------------------------------------------
-
 =pod
 
 =head1 AUTHOR
 
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
 
 =cut