X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FSQL%2FTranslator%2FSchema%2FView.pm;h=8667f041de837a6f59932c3199b7288566af617b;hb=478f608d9028508396da37bb5df10b3057b96981;hp=acbb0ff8f666df5ebd6db038eb6eff15e4f8047d;hpb=9371be50d82c80f4b62e1a682818ebae69fa9583;p=dbsrgits%2FSQL-Translator.git

diff --git a/lib/SQL/Translator/Schema/View.pm b/lib/SQL/Translator/Schema/View.pm
index acbb0ff..8667f04 100644
--- a/lib/SQL/Translator/Schema/View.pm
+++ b/lib/SQL/Translator/Schema/View.pm
@@ -1,9 +1,9 @@
 package SQL::Translator::Schema::View;
 
 # ----------------------------------------------------------------------
-# $Id: View.pm,v 1.9 2004-11-05 13:19:31 grommit Exp $
+# $Id$
 # ----------------------------------------------------------------------
-# Copyright (C) 2002-4 SQLFairy Authors
+# 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
@@ -48,9 +48,7 @@ use SQL::Translator::Utils 'parse_list_arg';
 
 use base 'SQL::Translator::Schema::Object';
 
-use vars qw($VERSION $TABLE_COUNT $VIEW_COUNT);
-
-$VERSION = sprintf "%d.%02d", q$Revision: 1.9 $ =~ /(\d+)\.(\d+)/;
+use vars qw($TABLE_COUNT $VIEW_COUNT);
 
 # ----------------------------------------------------------------------
 
@@ -103,7 +101,7 @@ names and keep them in order by the first occurrence of a field name.
         $self->{'fields'} = \@unique;
     }
 
-    return wantarray ? @{ $self->{'fields'} || [] } : $self->{'fields'};
+    return wantarray ? @{ $self->{'fields'} || [] } : ($self->{'fields'} || '');
 }
 
 # ----------------------------------------------------------------------
@@ -210,6 +208,47 @@ Get or set the view's schema object.
 }
 
 # ----------------------------------------------------------------------
+sub equals {
+
+=pod
+
+=head2 equals
+
+Determines if this view is the same as another
+
+  my $isIdentical = $view1->equals( $view2 );
+
+=cut
+
+    my $self = shift;
+    my $other = shift;
+    my $case_insensitive = shift;
+    my $ignore_sql = 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_sql) {
+        my $selfSql = $self->sql;
+        my $otherSql = $other->sql;
+        # Remove comments
+        $selfSql =~ s/--.*$//mg;
+        $otherSql =~ s/--.*$//mg;
+        # Collapse whitespace to space to avoid whitespace comparison issues
+        $selfSql =~ s/\s+/ /sg;
+        $otherSql =~ s/\s+/ /sg;
+        return 0 unless $selfSql eq $otherSql;
+    }
+    
+    my $selfFields = join(":", $self->fields);
+    my $otherFields = join(":", $other->fields);
+    return 0 unless $case_insensitive ? uc($selfFields) eq uc($otherFields) : $selfFields eq $otherFields;
+    return 0 unless $self->_compare_objects(scalar $self->extra, scalar $other->extra);
+    return 1;
+}
+
+# ----------------------------------------------------------------------
 sub DESTROY {
     my $self = shift;
     undef $self->{'schema'}; # destroy cyclical reference