package SQL::Translator::Producer::ClassDBI;
# -------------------------------------------------------------------
-# $Id: ClassDBI.pm,v 1.7 2003-05-11 04:04:17 allenday Exp $
+# $Id: ClassDBI.pm,v 1.8 2003-06-09 01:55:12 kycl4rk Exp $
# -------------------------------------------------------------------
# Copyright (C) 2003 Ying Zhang <zyolive@yahoo.com>,
# Allen Day <allenday@ucla.edu>,
use strict;
use vars qw[ $VERSION $DEBUG ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.7 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.8 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 1 unless defined $DEBUG;
+use SQL::Translator::Schema::Constants;
use SQL::Translator::Utils qw(header_comment);
use Data::Dumper;
sub produce {
- my ($translator, $data) = @_;
- $DEBUG = $translator->debug;
- my $no_comments = $translator->no_comments;
-
- my $create;
- $create .= header_comment(__PACKAGE__, "## ") unless ($no_comments);
-
- $create .= "package " . $translator->format_package_name('DBI'). ";\n\n";
-
- $create .= "my \$USER = \'\';\n";
- $create .= "my \$PASS = \'\';\n\n";
-
- my $from = _from($translator->parser_type());
-
- $create .= "use base \'Class::DBI::" .$from. "\';\n\n";
-
- $create .= $translator->format_package_name('DBI'). "->set_db(\'Main', \'dbi:" .$from. ":_\', \$USER,\$PASS,);\n\n";
- $create .= "1;\n\n\n";
-
- #
- # Iterate over all tables
- #
- for my $table (keys %{$data}) {
- my $table_data = $data->{$table};
- my @fields = keys %{$table_data->{'fields'}};
- my %pk;
-
- $create .= "##\n## Package: " .$translator->format_package_name($table). "\n##\n" unless $no_comments;
- $create .= "package ". $translator->format_package_name($table). ";\n";
-
- $create .= "use base \'Chado::DBI\';\n";
- $create .= "use mixin \'Class::DBI::Join\';\n";
- $create .= "use Class::DBI::Pager;\n\n";
-
- $create .= $translator->format_package_name($table). "->set_up_table('$table');\n\n";
-
- #
- # Primary key?
- #
- foreach my $constraint ( @{ $table_data->{'constraints'} } ) {
- my $name = $constraint->{'name'} || '';
- my $type = $constraint->{'type'};
- my $ref_table = $constraint->{'reference_table'};
- my $ref_fields = $constraint->{'reference_fields'};
-
- if ( $type eq 'primary_key') {
- $pk{$table} = $constraint->{'fields'}->[0];
- $create .= "sub " .$translator->format_pk_name(
- $translator->format_package_name($table),
- $constraint->{'fields'}->[0]
- ) . " { shift->".$constraint->{'fields'}->[0]." }\n\n";
- }
- }
-
- #
- # Foreign key?
- #
- foreach my $field (@fields){
- my $field_data = $table_data->{'fields'}->{$field}->{'constraints'};
- my $type = $field_data->[1]->{'type'} || '';
- my $ref_table = $field_data->[1]->{'reference_table'};
- my $ref_field = $field_data->[1]->{'reference_fields'}->[0];
- my $field = $field_data->[1]->{'fields'}->[0];
-
- if ($type eq 'foreign_key') {
-
-#THIS IS IMPOSSIBLE UNTIL WE HAVE A BETTER DATA MODEL. THIS GIANT HASH SUCKS !!!
-# my $r_link = 0; #not a link table (yet)
-# my $r_linkthis = 0;
-# my $r_linkthat = 0;
-# my $r_linkdata = 0;
-# my $r_table = $data->{$ref_table};
-# my @r_fields = keys %{$r_table->{'fields'}};
-# foreach my $r_field ( keys %{$r_table->{'fields'}} ){
-# $r_linkthis++ and next if $r_field eq $ref_field; #remote table links to local table
-# if($r_table->{'fields'}->{$r_field}->{'constraints'}){
-
-# foreach my $r_constraint ($r_table->{'fields'}->{$r_field}->{'constraints'}){
-# $create .= Dumper($r_constraint);
-# }
-
-# } else {
-# $r_linkdata++; #if not constraints, assume it's data (safe?)
-# }
-# foreach my $r_constraint ( @{ $r_table->{'fields'}->{$r_field}->{'constraints'} } ) {
-# next unless $r_constraint->{'constraint_type'} eq 'foreign_key';
-
-# $r_linkthat++ unless $r_constraint->{'reference_table'} eq $table; #remote table links to non-local table
-# }
-# }
-
-# my $link = $r_linkthis && $r_linkthat && !$r_linkdata ? '_link' : '';
- $create .= $translator->format_package_name($table). "->hasa(" .$translator->format_package_name($ref_table). " => \'$field\');\n";
- $create .= "sub " .$translator->format_fk_name($ref_table, $field)." { return shift->$field }\n\n";
- }
- }
-
-#THIS IS IMPOSSIBLE UNTIL WE HAVE A BETTER DATA MODEL. THIS GIANT HASH SUCKS !!!
-# #
-# # Remote foreign key?
-# #
-# print "****$table\n";
-# # find tables that refer to this table
-# my %refers = ();
-# for my $remote_table (keys %{$data}){
-# next if $remote_table eq $table;
-# # print "********".$remote_table."\n";
-# my $remote_table_data = $data->{$remote_table};
-
-# foreach my $remote_field ( keys %{$remote_table_data->{'fields'}} ){
-# foreach my $remote_constraint ( @{ $remote_table_data->{'fields'}->{$remote_field}->{'constraints'} } ) {
-# next unless $remote_constraint->{'constraint_type'} eq 'foreign_key'; #only interested in foreign keys...
-
-# $refers{$remote_table} = 1 if $pk{$remote_constraint->{'reference_table'}} ;#eq $remote_constraint->{'reference_fields'}->[0];
-# }
-# }
-# }
-
-# foreach my $refer (keys %refers){
-# foreach my $refer_field ( keys %{$data->{$refer}->{'fields'}} ){
-# foreach my $refer_constraint ( @{ $data->{$refer}->{'fields'}->{$refer_field}->{'constraints'} } ) {
-# next unless $refer_constraint->{'constraint_type'} eq 'foreign_key'; #only interested in foreign keys...
-# next if $refer_constraint->{'reference_table'} eq $table; #don't want to consider the current table vs itself
-# print "********".$refer."\t".$refer_field."\t****\t".$refer_constraint->{'reference_table'}."\t".$refer_constraint->{'reference_fields'}->[0]."\n";
-
-# $create .= "****sub " .$translator->format_fk_name($refer_constraint->{'reference_table'}, $refer_constraint->{'reference_fields'}->[0]). " { return shift->".$refer_constraint->{'reference_fields'}->[0]." }\n\n";
-# }
-# }
-# }
-
- $create .= "1;\n\n\n";
- }
-
- return $create;
+ my ($translator, $data) = @_;
+ local $DEBUG = $translator->debug;
+ my $no_comments = $translator->no_comments;
+ my $schema = $translator->schema;
+
+ my $create;
+ $create .= header_comment(__PACKAGE__, "# ") unless ($no_comments);
+
+ $create .= "package " . $translator->format_package_name('DBI'). ";\n\n";
+
+ $create .= "my \$USER = '';\n";
+ $create .= "my \$PASS = '';\n\n";
+
+ my $from = _from($translator->parser_type());
+
+ $create .= "use base 'Class::DBI::$from';\n\n" .
+ $translator->format_package_name('DBI') .
+ "->set_db('Main', 'dbi:$from:_', \$USER, \$PASS);\n\n";
+
+ #
+ # Iterate over all tables
+ #
+ for my $table ( $schema->get_tables ) {
+ my $table_name = $table->name or next;
+ my %pk;
+
+ unless ( $no_comments ) {
+ $create .=
+ "#\n# Package: " .
+ $translator->format_package_name($table_name).
+ "\n#\n"
+ }
+
+ $create .= "package ".
+ $translator->format_package_name($table_name). ";\n";
+ $create .= "use mixin 'Class::DBI::Join';\n";
+ $create .= "use Class::DBI::Pager;\n\n";
+
+ $create .= $translator->format_package_name($table_name).
+ "->set_up_table('$table_name');\n\n";
+
+ #
+ # Primary key?
+ #
+ foreach my $constraint ( $table->get_constraints ) {
+ next unless $constraint->type eq PRIMARY_KEY;
+ my $field = ($constraint->fields)[0];
+
+ $pk{ $table_name } = $field;
+ $create .= "sub " .$translator->format_pk_name(
+ $translator->format_package_name( $table_name ),
+ $field
+ ) . " { shift->".$field." }\n\n";
+ }
+
+ #
+ # Find foreign keys
+ #
+ foreach my $field ( $table->get_fields ) {
+ if ( $field->is_foreign_key ) {
+ my $field_name = $field->name;
+ my $fk = $field->foreign_key_reference;
+ my $ref_table = $fk->reference_table;
+ my @ref_fields = $fk->reference_fields;
+ my @fields = $fk->fields;
+
+ $create .= $translator->format_package_name($table_name).
+ "->hasa(\n " .
+ $translator->format_package_name($ref_table).
+ " => '$field_name'\n);\n\n";
+ $create .= "sub " .
+ $translator->format_fk_name($ref_table, $field_name).
+ " {\n return shift->$field_name\n}\n\n";
+ }
+ }
+ }
+
+ $create .= '1;';
+
+# for my $table (keys %{$data}) {
+# my $table_data = $data->{$table};
+# my @fields = keys %{$table_data->{'fields'}};
+# my %pk;
+#
+# $create .= "##\n## Package: " .$translator->format_package_name($table). "\n##\n" unless $no_comments;
+# $create .= "package ". $translator->format_package_name($table). ";\n";
+#
+# $create .= "use base \'Chado::DBI\';\n";
+# $create .= "use mixin \'Class::DBI::Join\';\n";
+# $create .= "use Class::DBI::Pager;\n\n";
+#
+# $create .= $translator->format_package_name($table). "->set_up_table('$table');\n\n";
+#
+# #
+# # Primary key?
+# #
+# foreach my $constraint ( @{ $table_data->{'constraints'} } ) {
+# my $name = $constraint->{'name'} || '';
+# my $type = $constraint->{'type'};
+# my $ref_table = $constraint->{'reference_table'};
+# my $ref_fields = $constraint->{'reference_fields'};
+#
+# if ( $type eq 'primary_key') {
+# $pk{$table} = $constraint->{'fields'}->[0];
+# $create .= "sub " .$translator->format_pk_name(
+# $translator->format_package_name($table),
+# $constraint->{'fields'}->[0]
+# ) . " { shift->".$constraint->{'fields'}->[0]." }\n\n";
+# }
+# }
+#
+# #
+# # Foreign key?
+# #
+# foreach my $field (@fields){
+# my $field_data = $table_data->{'fields'}->{$field}->{'constraints'};
+# my $type = $field_data->[1]->{'type'} || '';
+# my $ref_table = $field_data->[1]->{'reference_table'};
+# my $ref_field = $field_data->[1]->{'reference_fields'}->[0];
+# my $field = $field_data->[1]->{'fields'}->[0];
+#
+# if ($type eq 'foreign_key') {
+#
+# #THIS IS IMPOSSIBLE UNTIL WE HAVE A BETTER DATA MODEL. THIS GIANT HASH SUCKS !!!
+# # my $r_link = 0; #not a link table (yet)
+# # my $r_linkthis = 0;
+# # my $r_linkthat = 0;
+# # my $r_linkdata = 0;
+# # my $r_table = $data->{$ref_table};
+# # my @r_fields = keys %{$r_table->{'fields'}};
+# # foreach my $r_field ( keys %{$r_table->{'fields'}} ){
+# # $r_linkthis++ and next if $r_field eq $ref_field; #remote table links to local table
+# # if($r_table->{'fields'}->{$r_field}->{'constraints'}){
+#
+# # foreach my $r_constraint ($r_table->{'fields'}->{$r_field}->{'constraints'}){
+# # $create .= Dumper($r_constraint);
+# # }
+#
+# # } else {
+# # $r_linkdata++; #if not constraints, assume it's data (safe?)
+# # }
+# # foreach my $r_constraint ( @{ $r_table->{'fields'}->{$r_field}->{'constraints'} } ) {
+# # next unless $r_constraint->{'constraint_type'} eq 'foreign_key';
+#
+# # $r_linkthat++ unless $r_constraint->{'reference_table'} eq $table; #remote table links to non-local table
+# # }
+# # }
+#
+# # my $link = $r_linkthis && $r_linkthat && !$r_linkdata ? '_link' : '';
+# $create .= $translator->format_package_name($table). "->hasa(" .$translator->format_package_name($ref_table). " => \'$field\');\n";
+# $create .= "sub " .$translator->format_fk_name($ref_table, $field)." { return shift->$field }\n\n";
+# }
+# }
+#
+# #THIS IS IMPOSSIBLE UNTIL WE HAVE A BETTER DATA MODEL. THIS GIANT HASH SUCKS !!!
+# # #
+# # # Remote foreign key?
+# # #
+# # print "****$table\n";
+# # # find tables that refer to this table
+# # my %refers = ();
+# # for my $remote_table (keys %{$data}){
+# # next if $remote_table eq $table;
+# # # print "********".$remote_table."\n";
+# # my $remote_table_data = $data->{$remote_table};
+#
+# # foreach my $remote_field ( keys %{$remote_table_data->{'fields'}} ){
+# # foreach my $remote_constraint ( @{ $remote_table_data->{'fields'}->{$remote_field}->{'constraints'} } ) {
+# # next unless $remote_constraint->{'constraint_type'} eq 'foreign_key'; #only interested in foreign keys...
+#
+# # $refers{$remote_table} = 1 if $pk{$remote_constraint->{'reference_table'}} ;#eq $remote_constraint->{'reference_fields'}->[0];
+# # }
+# # }
+# # }
+#
+# # foreach my $refer (keys %refers){
+# # foreach my $refer_field ( keys %{$data->{$refer}->{'fields'}} ){
+# # foreach my $refer_constraint ( @{ $data->{$refer}->{'fields'}->{$refer_field}->{'constraints'} } ) {
+# # next unless $refer_constraint->{'constraint_type'} eq 'foreign_key'; #only interested in foreign keys...
+# # next if $refer_constraint->{'reference_table'} eq $table; #don't want to consider the current table vs itself
+# # print "********".$refer."\t".$refer_field."\t****\t".$refer_constraint->{'reference_table'}."\t".$refer_constraint->{'reference_fields'}->[0]."\n";
+#
+# # $create .= "****sub " .$translator->format_fk_name($refer_constraint->{'reference_table'}, $refer_constraint->{'reference_fields'}->[0]). " { return shift->".$refer_constraint->{'reference_fields'}->[0]." }\n\n";
+# # }
+# # }
+# # }
+#
+# $create .= "1;\n\n\n";
+# }
+
+ return $create;
}
sub _from {
- my $from = shift;
- my @temp = split(/::/, $from);
- $from = $temp[$#temp];
-
- if ( $from eq 'MySQL') {
- $from = lc($from);
- } elsif ( $from eq 'PostgreSQL') {
- $from = 'Pg';
- } elsif ( $from eq 'Oracle') {
- $from = 'Oracle';
- } else {
- die "__PACKAGE__ can't handle vendor $from";
- }
-
- return $from;
+ my $from = shift;
+ my @temp = split(/::/, $from);
+ $from = $temp[$#temp];
+
+ if ( $from eq 'MySQL') {
+ $from = lc($from);
+ } elsif ( $from eq 'PostgreSQL') {
+ $from = 'Pg';
+ } elsif ( $from eq 'Oracle') {
+ $from = 'Oracle';
+ } else {
+ die "__PACKAGE__ can't handle vendor $from";
+ }
+
+ return $from;
}
1;
=head1 NAME
-SQL::Translator::Producer::ClassDBI - Translate SQL schemata into Class::DBI classes
+SQL::Translator::Producer::ClassDBI -
+ Translate SQL schemata into Class::DBI classes
=head1 SYNOPSIS
provided. An additional base class is also created for database connectivity
configuration. See L<Class::DBI> for details on how this works.
-=head1 AUTHOR
+=head1 AUTHORS
-Ying Zhang <zyolive@yahoo.com>, Allen Day <allenday@ucla.edu>
+Ying Zhang E<lt>zyolive@yahoo.comE<gt>,
+Allen Day E<lt>allenday@ucla.eduE<gt>
+Ken Y. Clark E<lt>kclark@cpan.org<gt>.
projects / dbsrgits/SQL-Translator.git / commitdiff