package SQL::Translator::Producer::MySQL;
# -------------------------------------------------------------------
-# $Id: MySQL.pm,v 1.25 2003-08-16 20:11:39 rossta Exp $
+# $Id: MySQL.pm,v 1.34 2004-08-05 15:41:46 kycl4rk Exp $
# -------------------------------------------------------------------
-# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
-# darren chamberlain <darren@cpan.org>,
-# Chris Mungall <cjm@fruitfly.org>
+# Copyright (C) 2002-4 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
# 02111-1307 USA
# -------------------------------------------------------------------
+=head1 NAME
+
+SQL::Translator::Producer::MySQL - MySQL-specific producer for SQL::Translator
+
+=head1 SYNOPSIS
+
+Use via SQL::Translator:
+
+ use SQL::Translator;
+
+ my $t = SQL::Translator->new( parser => '...', producer => 'MySQL', '...' );
+ $t->translate;
+
+=head1 DESCRIPTION
+
+This module will produce text output of the schema suitable for MySQL.
+There are still some issues to be worked out with syntax differences
+between MySQL versions 3 and 4 ("SET foreign_key_checks," character sets
+for fields, etc.).
+
+=cut
+
use strict;
use vars qw[ $VERSION $DEBUG ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.25 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.34 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
use SQL::Translator::Schema::Constants;
use SQL::Translator::Utils qw(debug header_comment);
+#
+# Use only lowercase for the keys (e.g. "long" and not "LONG")
+#
my %translate = (
#
# Oracle types
#
varchar2 => 'varchar',
long => 'text',
- CLOB => 'longtext',
+ clob => 'longtext',
#
# Sybase types
real => 'double',
comment => 'text',
bit => 'tinyint',
+
+ #
+ # Access types
+ #
+ 'long integer' => 'integer',
+ 'text' => 'text',
+ 'datetime' => 'datetime',
);
sub produce {
my %extra = $field->extra;
my $list = $extra{'list'} || [];
# \todo deal with embedded quotes
- my $commalist = "'" . join("','", @$list) . "'";
+ my $commalist = join( ', ', map { qq['$_'] } @$list );
#
# Oracle "number" type -- figure best MySQL type
$data_type = 'int';
}
}
- elsif ( exists $translate{ $data_type } ) {
- $data_type = $translate{ $data_type };
+ #
+ # Convert a large Oracle varchar to "text"
+ #
+ elsif ( lc $data_type eq 'varchar2' && $size[0] > 255 ) {
+ $data_type = 'text';
+ @size = ();
}
+ elsif ( exists $translate{ lc $data_type } ) {
+ $data_type = $translate{ lc $data_type };
+ }
+
+ @size = () if $data_type =~ /(text|blob)/i;
$field_def .= " $data_type";
if ( lc $data_type eq 'enum' ) {
$field_def .= '(' . $commalist . ')';
- } elsif ( defined $size[0] && $size[0] > 0 ) {
+ }
+ elsif ( defined $size[0] && $size[0] > 0 ) {
$field_def .= '(' . join( ', ', @size ) . ')';
}
# Constraints -- need to handle more than just FK. -ky
#
my @constraint_defs;
+ my $has_fk;
for my $c ( $table->get_constraints ) {
my @fields = $c->fields or next;
'UNIQUE (' . join(', ', @fields). ')';
}
elsif ( $c->type eq FOREIGN_KEY ) {
+ $has_fk = 1;
my $def = join(' ',
map { $_ || () } 'FOREIGN KEY', $c->name
);
# Footer
#
$create .= "\n)";
-# while (
-# my ( $key, $val ) = each %{ $table->options }
-# ) {
-# $create .= " $key=$val"
-# }
+ if ( $has_fk ) {
+ $create .= " Type=InnoDB";
+ }
$create .= ";\n\n";
}
}
1;
-__END__
-=head1 NAME
+# -------------------------------------------------------------------
-SQL::Translator::Producer::MySQL - MySQL-specific producer for SQL::Translator
+=pod
+
+=head1 SEE ALSO
+
+SQL::Translator, http://www.mysql.com/.
=head1 AUTHORS
darren chamberlain E<lt>darren@cpan.orgE<gt>,
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>
+Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
+
+=cut