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

diff --git a/lib/SQL/Translator/Schema/View.pm b/lib/SQL/Translator/Schema/View.pm
index 7874aea..4d39621 100644 (file)
--- a/lib/SQL/Translator/Schema/View.pm
+++ b/lib/SQL/Translator/Schema/View.pm
@@ -1,9 +1,7 @@
 package SQL::Translator::Schema::View;
 
 # ----------------------------------------------------------------------
-# $Id: View.pm,v 1.5 2003-10-08 17:32:16 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
@@ -44,16 +42,19 @@ C<SQL::Translator::Schema::View> is the view object.
 =cut
 
 use strict;
-use Class::Base;
 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);
 
-$VERSION = sprintf "%d.%02d", q$Revision: 1.5 $ =~ /(\d+)\.(\d+)/;
+$VERSION = '1.59';
 
 # ----------------------------------------------------------------------
-sub init {
+
+__PACKAGE__->_attributes( qw/
+    name sql fields schema order
+/);
 
 =pod
 
@@ -65,16 +66,6 @@ Object constructor.
 
 =cut
 
-    my ( $self, $config ) = @_;
-
-    for my $arg ( qw[ name sql fields schema ] ) {
-        next unless $config->{ $arg };
-        $self->$arg( $config->{ $arg } ) or return;
-    }
-
-    return $self;
-}
-
 # ----------------------------------------------------------------------
 sub fields {
 
@@ -110,7 +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'} || '');
 }
 
 # ----------------------------------------------------------------------
@@ -216,6 +207,46 @@ Get or set the view's schema object.
     return $self->{'schema'};
 }
 
+# ----------------------------------------------------------------------
+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 {
@@ -231,6 +262,6 @@ sub DESTROY {
 
 =head1 AUTHOR
 
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
 
 =cut