package SQL::Translator::Schema::View;
-# ----------------------------------------------------------------------
-# $Id: View.pm,v 1.2 2003-05-09 17:12:15 kycl4rk Exp $
-# ----------------------------------------------------------------------
-# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>
-#
-# 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
=head1 SYNOPSIS
use SQL::Translator::Schema::View;
- my $view = SQL::Translator::Schema::View->new(
- name => 'foo',
- sql => 'select * from foo',
+ my $view = SQL::Translator::Schema::View->new(
+ name => 'foo', # name, required
+ sql => 'select id, name from foo', # SQL for view
+ fields => 'id, name', # field names in view
);
=head1 DESCRIPTION
=cut
-use strict;
-use Class::Base;
-use SQL::Translator::Utils 'parse_list_arg';
-
-use base 'Class::Base';
-use vars qw($VERSION $TABLE_COUNT $VIEW_COUNT);
+use Moo;
+use SQL::Translator::Utils qw(ex2err);
+use SQL::Translator::Types qw(schema_obj);
+use SQL::Translator::Role::ListAttr;
+use Sub::Quote qw(quote_sub);
-$VERSION = 1.00;
+extends 'SQL::Translator::Schema::Object';
-# ----------------------------------------------------------------------
-sub init {
-
-=pod
+our $VERSION = '1.59';
=head2 new
Object constructor.
- my $schema = SQL::Translator::Schema::View->new;
-
-=cut
-
- my ( $self, $config ) = @_;
-
- for my $arg ( qw[ name sql fields ] ) {
- next unless $config->{ $arg };
- $self->$arg( $config->{ $arg } ) or return;
- }
-
- return $self;
-}
-
-# ----------------------------------------------------------------------
-sub fields {
-
-=pod
+ my $view = SQL::Translator::Schema::View->new;
=head2 fields
=cut
- my $self = shift;
- my $fields = parse_list_arg( @_ );
+with ListAttr fields => ( uniq => 1 );
- if ( @$fields ) {
- my ( %unique, @unique );
- for my $f ( @$fields ) {
- next if $unique{ $f };
- $unique{ $f } = 1;
- push @unique, $f;
- }
+=head2 tables
- $self->{'fields'} = \@unique;
- }
+Gets and set the tables the SELECT mentions. Accepts a string, list or
+arrayref; returns an array or array reference. Will unique the table
+names and keep them in order by the first occurrence of a field name.
- return wantarray ? @{ $self->{'fields'} || [] } : $self->{'fields'};
-}
+ $view->tables('foo');
+ $view->tables('foo', 'bar');
+ $view->tables( 'foo, bar' );
+ $view->tables( [ 'foo', 'bar' ] );
+ $view->tables( qw[ foo bar ] );
+
+ my @tables = $view->tables;
+
+=cut
+
+with ListAttr tables => ( uniq => 1 );
+
+=head2 options
+
+Gets and sets a list of options on the view.
+
+ $view->options('ALGORITHM=UNDEFINED');
+
+ my @options = $view->options;
+
+=cut
+
+with ListAttr options => ( uniq => 1, append => 1 );
-# ----------------------------------------------------------------------
sub is_valid {
=pod
return 1;
}
-# ----------------------------------------------------------------------
-sub name {
-
-=pod
-
=head2 name
Get or set the view's name.
=cut
- my $self = shift;
- $self->{'name'} = shift if @_;
- return $self->{'name'} || '';
-}
-
-# ----------------------------------------------------------------------
-sub order {
-
-=pod
+has name => ( is => 'rw', default => quote_sub(q{ '' }) );
=head2 order
=cut
- my ( $self, $arg ) = @_;
+has order => ( is => 'rw', default => quote_sub(q{ 0 }) );
+
+around order => sub {
+ my ( $orig, $self, $arg ) = @_;
if ( defined $arg && $arg =~ /^\d+$/ ) {
- $self->{'order'} = $arg;
+ return $self->$orig($arg);
}
- return $self->{'order'} || 0;
-}
-
-# ----------------------------------------------------------------------
-sub sql {
-
-=pod
+ return $self->$orig;
+};
=head2 sql
=cut
- my $self = shift;
- $self->{'sql'} = shift if @_;
- return $self->{'sql'} || '';
-}
+has sql => ( is => 'rw', default => quote_sub(q{ '' }) );
+
+=head2 schema
-# ----------------------------------------------------------------------
-sub DESTROY {
+Get or set the view's schema object.
+
+ $view->schema( $schema );
+ my $schema = $view->schema;
+
+=cut
+
+has schema => ( is => 'rw', isa => schema_obj('Schema'), weak_ref => 1 );
+
+around schema => \&ex2err;
+
+=head2 equals
+
+Determines if this view is the same as another
+
+ my $isIdentical = $view1->equals( $view2 );
+
+=cut
+
+around equals => sub {
+ my $orig = shift;
my $self = shift;
- undef $self->{'table'}; # destroy cyclical reference
-}
+ my $other = shift;
+ my $case_insensitive = shift;
+ my $ignore_sql = shift;
+
+ return 0 unless $self->$orig($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;
+ }
-1;
+ 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;
+};
+
+# Must come after all 'has' declarations
+around new => \&ex2err;
-# ----------------------------------------------------------------------
+1;
=pod
=head1 AUTHOR
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
=cut