1 package SQL::Translator::Producer::MySQL;
3 # -------------------------------------------------------------------
4 # $Id: MySQL.pm,v 1.6 2003-02-25 05:02:06 kycl4rk Exp $
5 # -------------------------------------------------------------------
6 # Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
7 # darren chamberlain <darren@cpan.org>,
8 # Chris Mungall <cjm@fruitfly.org>
10 # This program is free software; you can redistribute it and/or
11 # modify it under the terms of the GNU General Public License as
12 # published by the Free Software Foundation; version 2.
14 # This program is distributed in the hope that it will be useful, but
15 # WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 # General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write to the Free Software
21 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 # -------------------------------------------------------------------
26 use vars qw[ $VERSION $DEBUG ];
27 $VERSION = sprintf "%d.%02d", q$Revision: 1.6 $ =~ /(\d+)\.(\d+)/;
28 $DEBUG = 1 unless defined $DEBUG;
33 warn "loading " . __PACKAGE__ . "...\n";
37 my ($translator, $data) = @_;
38 $DEBUG = $translator->debug;
39 my $no_comments = $translator->no_comments;
41 debug("Beginning production\n");
44 unless ( $no_comments ) {
45 $create .= sprintf "--\n-- Created by %s\n-- Created on %s\n--\n\n",
46 __PACKAGE__, scalar localtime;
49 for my $table (keys %{$data}) {
50 debug("Looking at table '$table'\n");
51 my $table_data = $data->{$table};
53 $table_data->{'fields'}->{$a}->{'order'}
55 $table_data->{'fields'}->{$b}->{'order'}
56 } keys %{$table_data->{'fields'}};
59 # Header. Should this look like what mysqldump produces?
61 $create .= "--\n-- Table: $table\n--\n" unless $no_comments;
62 $create .= "CREATE TABLE $table (";
67 for (my $i = 0; $i <= $#fields; $i++) {
68 my $field = $fields[$i];
69 debug("Looking at field '$field'\n");
70 my $field_data = $table_data->{'fields'}->{$field};
71 my @fdata = ("", $field);
75 my $attr = uc $field_data->{'data_type'} eq 'SET' ? 'list' : 'size';
76 my @values = @{ $field_data->{ $attr } || [] };
77 push @fdata, sprintf "%s%s",
78 $field_data->{'data_type'},
80 ? '('.join(', ', @values).')'
84 for my $qual ( qw[ binary unsigned zerofill ] ) {
86 if $field_data->{ $qual } ||
87 $field_data->{ uc $qual };
91 push @fdata, "NOT NULL" unless $field_data->{'null'};
93 # Default? XXX Need better quoting!
94 my $default = $field_data->{'default'};
95 if ( defined $default ) {
96 if ( uc $default eq 'NULL') {
97 push @fdata, "DEFAULT NULL";
99 push @fdata, "DEFAULT '$default'";
104 push @fdata, "auto_increment" if $field_data->{'is_auto_inc'};
107 # This is taken care of in the indices, could be duplicated here
108 # push @fdata, "PRIMARY KEY" if $field_data->{'is_primary_key'};
111 $create .= (join " ", '', @fdata);
112 $create .= "," unless ($i == $#fields);
119 my @indices = @{ $table_data->{'indices'} || [] };
120 for (my $i = 0; $i <= $#indices; $i++) {
121 my $key = $indices[$i];
122 my ($name, $type, $fields) = @{ $key }{ qw[ name type fields ] };
125 $type eq 'primary_key' ? 'PRIMARY KEY' :
126 $type eq 'unique' ? 'UNIQUE KEY' : 'KEY';
128 " $index_type $name (" . join( ', ', @$fields ) . ')';
131 if ( @index_creates ) {
132 $create .= join(",\n", '', @index_creates);
136 # Constraints -- need to handle more than just FK. -ky
139 for my $constraint ( @{ $table_data->{'constraints'} } ) {
140 my $name = $constraint->{'name'} || '';
141 my $type = $constraint->{'type'};
142 my $fields = $constraint->{'fields'};
143 my $ref_table = $constraint->{'reference_table'};
144 my $ref_fields = $constraint->{'reference_fields'};
145 my $match_type = $constraint->{'match_type'} || '';
146 my $on_delete = $constraint->{'on_delete_do'};
147 my $on_update = $constraint->{'on_update_do'};
149 if ( $type eq 'foreign_key' ) {
150 my $def = join(' ', map { $_ || () } ' FOREIGN KEY', $name );
152 $def .= ' (' . join( ', ', @$fields ) . ')';
154 $def .= " REFERENCES $ref_table";
156 if ( @$ref_fields ) {
157 $def .= ' (' . join( ', ', @$ref_fields ) . ')';
162 ( $match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
165 $def .= " ON DELETE $on_delete" if $on_delete;
166 $def .= " ON UPDATE $on_update" if $on_update;
168 push @constraints, $def;
172 $create .= join(",\n", '', @constraints) if @constraints;
178 while ( my ( $key, $val ) = each %{ $table_data->{'table_options'} } ) {
179 $create .= " $key=$val"
189 map { warn "[" . __PACKAGE__ . "] $_" } @_;
198 SQL::Translator::Producer::MySQL - mysql-specific producer for SQL::Translator
202 darren chamberlain E<lt>darren@cpan.orgE<gt>