package SQL::Translator::Producer::ClassDBI;
# -------------------------------------------------------------------
-# $Id: ClassDBI.pm,v 1.40 2004-02-09 23:02:11 kycl4rk Exp $
-# -------------------------------------------------------------------
-# 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
use strict;
use vars qw[ $VERSION $DEBUG ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.40 $ =~ /(\d+)\.(\d+)/;
+$VERSION = '1.60';
$DEBUG = 1 unless defined $DEBUG;
use SQL::Translator::Schema::Constants;
-use SQL::Translator::Utils qw(header_comment);
+use SQL::Translator::Utils qw(debug header_comment);
use Data::Dumper;
my %CDBI_auto_pkgs = (
# -------------------------------------------------------------------
sub produce {
- my $t = shift;
- my $create = undef;
- local $DEBUG = $t->debug;
+ my $t = shift;
+ local $DEBUG = $t->debug;
my $no_comments = $t->no_comments;
my $schema = $t->schema;
my $args = $t->producer_args;
+ my @create;
+
+ if ( my $fmt = $args->{'format_pkg_name'} ) {
+ $t->format_package_name( $fmt );
+ }
+
+ if ( my $fmt = $args->{'format_fk_name'} ) {
+ $t->format_fk_name( $fmt );
+ }
+
my $db_user = $args->{'db_user'} || '';
- my $db_pass = $args->{'db_pass'} || '';
- my $main_pkg_name = $args->{'main_pkg_name'} ||
+ my $db_pass = $args->{'db_password'} || '';
+ my $main_pkg_name = $args->{'package_name'} ||
+ # $args->{'main_pkg_name'} || # keep this? undocumented
$t->format_package_name('DBI');
my $header = header_comment( __PACKAGE__, "# " );
my $parser_type = ( split /::/, $t->parser_type )[-1];
);
my $sep = '# ' . '-' x 67;
+
#
# Identify "link tables" (have only PK and FK fields).
#
my %linkable;
my %linktable;
- foreach my $table ( $schema->get_tables ) {
+ for my $table ( $schema->get_tables ) {
+ debug("PKG: Table = ", $table->name, "\n");
my $is_link = 1;
- foreach my $field ( $table->get_fields ) {
+ for my $field ( $table->get_fields ) {
unless ( $field->is_primary_key or $field->is_foreign_key ) {
$is_link = 0;
last;
for my $table ( $schema->get_tables ) {
my $table_name = $table->name or next;
- my $table_pkg_name = $t->format_package_name($table_name);
- $packages{$table_pkg_name} = {
+ my $table_pkg_name = join '::', $main_pkg_name, $t->format_package_name($table_name);
+ $packages{ $table_pkg_name } = {
order => ++$order,
pkg_name => $table_pkg_name,
base => $main_pkg_name,
#
# Primary key may have a differenct accessor method name
#
- if ( my $constraint = $table->primary_key ) {
- my $field = ( $constraint->fields )[0];
- $packages{ $table_pkg_name }{'_columns_primary'} = $field;
-
- if ( my $pk_xform = $t->format_pk_name ) {
- my $pk_name = $pk_xform->( $table_pkg_name, $field );
-
- $packages{$table_pkg_name}{'pk_accessor'} =
- "#\n# Primary key accessor\n#\n"
- . "sub $pk_name {\n shift->$field\n}\n\n";
- }
- }
+# if ( my $constraint = $table->primary_key ) {
+# my $field = ( $constraint->fields )[0];
+# $packages{ $table_pkg_name }{'_columns_primary'} = $field;
+#
+# if ( my $pk_xform = $t->format_pk_name ) {
+# my $pk_name = $pk_xform->( $table_pkg_name, $field );
+#
+# $packages{$table_pkg_name}{'pk_accessor'} =
+# "#\n# Primary key accessor\n#\n"
+# . "sub $pk_name {\n shift->$field\n}\n\n";
+# }
+# }
my $is_data = 0;
foreach my $field ( $table->get_fields ) {
if ( $field->is_foreign_key ) {
my $table_name = $table->name;
my $field_name = $field->name;
- my $fk_method = $t->format_fk_name( $table_name, $field_name );
+# my $fk_method = $t->format_fk_name( $table_name, $field_name );
+ my $fk_method = join('::', $table_pkg_name,
+ $t->format_fk_name( $table_name, $field_name )
+ );
my $fk = $field->foreign_key_reference;
my $ref_table = $fk->reference_table;
my $ref_pkg = $t->format_package_name($ref_table);
my $ref_field = ( $fk->reference_fields )[0];
+# my $fk_method = join('::',
+# $table_pkg_name, $t->format_fk_name( $ref_table )
+# );
push @{ $packages{$table_pkg_name}{'has_a'} },
"$table_pkg_name->has_a(\n"
. " $field_name => '$ref_pkg'\n);\n\n"
. "sub $fk_method {\n"
- . " return shift->$field_name\n}\n\n";
+ . " return shift->$field_name\n}\n\n"
+ ;
# if there weren't M-M relationships via the has_many
# being set up here, create nice pluralized method alias
# rather for user as alt. to ugly tablename_fieldname name
#
- if ( !$packages{$ref_pkg}{'has_many'}{$table_name} ) {
- #
- # ADD CALLBACK FOR PLURALIZATION MANGLING HERE
- #
- push @{ $packages{$ref_pkg}{'has_many'}{$table_name} },
- "sub ${table_name}s {\n " .
- "return shift->$table_name\_$field_name\n}\n\n";
- # else ugly
- }
- else {
- }
+# if ( !$packages{$ref_pkg}{'has_many'}{$table_name} ) {
+# #
+# # ADD CALLBACK FOR PLURALIZATION MANGLING HERE
+# #
+# push @{ $packages{$ref_pkg}{'has_many'}{$table_name} },
+# "sub ${table_name}s {\n " .
+# "return shift->$table_name\_$field_name\n}\n\n";
+# # else ugly
+# }
+# else {
+# }
push @{ $packages{$ref_pkg}{'has_many'}{$table_name} },
"$ref_pkg->has_many(\n '${table_name}_${field_name}', "
# Now build up text of package.
#
my $base_pkg = sprintf( 'Class::DBI%s', $from ? "::$from" : '' );
- $create .= join ( "\n",
+ push @create, join ( "\n",
"package $main_pkg_name;\n",
$header,
"use strict;",
my $pkg = $packages{$pkg_name} or next;
next unless $pkg->{'pkg_name'};
- $create .= join ( "\n",
+ push @create, join ( "\n",
$sep,
"package " . $pkg->{'pkg_name'} . ";",
"use base '" . $pkg->{'base'} . "';",
);
if ( $from ) {
- $create .=
- $pkg->{'pkg_name'}."->set_up_table('".$pkg->{'table'}."');\n\n";
+ push @create, join('',
+ $pkg->{'pkg_name'},
+ "->set_up_table('",
+ $pkg->{'table'},
+ "');\n\n"
+ );
}
else {
my $table = $schema->get_table( $pkg->{'table'} );
my @field_names = map { $_->name } $table->get_fields;
- $create .= join("\n",
+ push @create, join("\n",
$pkg_name."->table('".$pkg->{'table'}."');\n",
$pkg_name."->columns(All => qw/".
join(' ', @field_names)."/);\n\n",
);
}
- $create .= "\n";
+ push @create, "\n";
if ( my $pk = $pkg->{'pk_accessor'} ) {
- $create .= $pk;
+ push @create, $pk;
}
if ( my @has_a = @{ $pkg->{'has_a'} || [] } ) {
- $create .= $_ for @has_a;
+ push @create, $_ for @has_a;
}
foreach my $has_many_key ( keys %{ $pkg->{'has_many'} } ) {
if ( my @has_many = @{ $pkg->{'has_many'}{$has_many_key} || [] } ) {
- $create .= $_ for @has_many;
+ push @create, $_ for @has_many;
}
}
}
- $create .= "1;\n";
+ push @create, "1;\n";
- return $create;
+ return wantarray
+ ? @create
+ : join('', @create);
}
1;
Use this producer as you would any other from SQL::Translator. See
L<SQL::Translator> for details.
-This package utilizes SQL::Translator's formatting methods
+This package uses SQL::Translator's formatting methods
format_package_name(), format_pk_name(), format_fk_name(), and
format_table_name() as it creates classes, one per table in the schema
provided. An additional base class is also created for database connectivity
Allen Day E<lt>allenday@ucla.eduE<gt>,
Ying Zhang E<lt>zyolive@yahoo.comE<gt>,
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.