1 package SQL::Translator::Schema::View;
7 SQL::Translator::Schema::View - SQL::Translator view object
11 use SQL::Translator::Schema::View;
12 my $view = SQL::Translator::Schema::View->new(
13 name => 'foo', # name, required
14 sql => 'select id, name from foo', # SQL for view
15 fields => 'id, name', # field names in view
20 C<SQL::Translator::Schema::View> is the view object.
28 use SQL::Translator::Utils 'parse_list_arg';
30 use base 'SQL::Translator::Schema::Object';
32 our ( $TABLE_COUNT, $VIEW_COUNT );
34 our $VERSION = '1.59';
36 __PACKAGE__->_attributes( qw/
37 name sql fields schema order
46 my $view = SQL::Translator::Schema::View->new;
56 Gets and set the fields the constraint is on. Accepts a string, list or
57 arrayref; returns an array or array reference. Will unique the field
58 names and keep them in order by the first occurrence of a field name.
61 $view->fields('id', 'name');
62 $view->fields( 'id, name' );
63 $view->fields( [ 'id', 'name' ] );
64 $view->fields( qw[ id name ] );
66 my @fields = $view->fields;
71 my $fields = parse_list_arg( @_ );
74 my ( %unique, @unique );
75 for my $f ( @$fields ) {
76 next if $unique{ $f }++;
80 $self->{'fields'} = \@unique;
83 my @flds = @{ $self->{'fields'} || [] };
85 return wantarray ? @flds : \@flds;
94 Determine whether the view is valid or not.
96 my $ok = $view->is_valid;
102 return $self->error('No name') unless $self->name;
103 return $self->error('No sql') unless $self->sql;
114 Get or set the view's name.
116 my $name = $view->name('foo');
121 $self->{'name'} = shift if @_;
122 return $self->{'name'} || '';
131 Get or set the view's order.
133 my $order = $view->order(3);
137 my ( $self, $arg ) = @_;
139 if ( defined $arg && $arg =~ /^\d+$/ ) {
140 $self->{'order'} = $arg;
143 return $self->{'order'} || 0;
152 Get or set the view's SQL.
154 my $sql = $view->sql('select * from foo');
159 $self->{'sql'} = shift if @_;
160 return $self->{'sql'} || '';
169 Get or set the view's schema object.
171 $view->schema( $schema );
172 my $schema = $view->schema;
177 if ( my $arg = shift ) {
178 return $self->error('Not a schema object') unless
179 UNIVERSAL::isa( $arg, 'SQL::Translator::Schema' );
180 $self->{'schema'} = $arg;
183 return $self->{'schema'};
192 Determines if this view is the same as another
194 my $isIdentical = $view1->equals( $view2 );
200 my $case_insensitive = shift;
201 my $ignore_sql = shift;
203 return 0 unless $self->SUPER::equals($other);
204 return 0 unless $case_insensitive ? uc($self->name) eq uc($other->name) : $self->name eq $other->name;
205 #return 0 unless $self->is_valid eq $other->is_valid;
207 unless ($ignore_sql) {
208 my $selfSql = $self->sql;
209 my $otherSql = $other->sql;
211 $selfSql =~ s/--.*$//mg;
212 $otherSql =~ s/--.*$//mg;
213 # Collapse whitespace to space to avoid whitespace comparison issues
214 $selfSql =~ s/\s+/ /sg;
215 $otherSql =~ s/\s+/ /sg;
216 return 0 unless $selfSql eq $otherSql;
219 my $selfFields = join(":", $self->fields);
220 my $otherFields = join(":", $other->fields);
221 return 0 unless $case_insensitive ? uc($selfFields) eq uc($otherFields) : $selfFields eq $otherFields;
222 return 0 unless $self->_compare_objects(scalar $self->extra, scalar $other->extra);
228 undef $self->{'schema'}; # destroy cyclical reference
237 Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.