1 package SQL::Translator::Producer::MySQL;
3 # -------------------------------------------------------------------
4 # $Id: MySQL.pm,v 1.24 2003-08-16 15:56:58 rossta 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: 1.24 $ =~ /(\d+)\.(\d+)/;
28 $DEBUG = 0 unless defined $DEBUG;
31 use SQL::Translator::Schema::Constants;
32 use SQL::Translator::Utils qw(debug header_comment);
38 varchar2 => 'varchar',
53 my $translator = shift;
54 local $DEBUG = $translator->debug;
55 my $no_comments = $translator->no_comments;
56 my $add_drop_table = $translator->add_drop_table;
57 my $schema = $translator->schema;
59 debug("PKG: Beginning production\n");
62 $create .= header_comment unless ($no_comments);
63 $create .= "SET foreign_key_checks=0;\n\n";
65 for my $table ( $schema->get_tables ) {
66 my $table_name = $table->name;
67 debug("PKG: Looking at table '$table_name'\n");
70 # Header. Should this look like what mysqldump produces?
72 $create .= "--\n-- Table: $table_name\n--\n" unless $no_comments;
73 $create .= qq[DROP TABLE IF EXISTS $table_name;\n] if $add_drop_table;
74 $create .= "CREATE TABLE $table_name (\n";
80 for my $field ( $table->get_fields ) {
81 my $field_name = $field->name;
82 debug("PKG: Looking at field '$field_name'\n");
83 my $field_def = $field_name;
86 my $data_type = $field->data_type;
87 my @size = $field->size;
88 my %extra = $field->extra;
89 my $list = $extra{'list'} || [];
90 my $commalist = "'" . join("','", @$list) . "'"; # \todo deal with embedded quotes
93 # Oracle "number" type -- figure best MySQL type
95 if ( lc $data_type eq 'number' ) {
97 if ( scalar @size > 1 ) {
98 $data_type = 'double';
100 elsif ( $size[0] >= 12 ) {
101 $data_type = 'bigint';
103 elsif ( $size[0] <= 1 ) {
104 $data_type = 'tinyint';
110 elsif ( exists $translate{ $data_type } ) {
111 $data_type = $translate{ $data_type };
114 $field_def .= " $data_type";
116 if ( lc $data_type eq 'enum' ) {
117 $field_def .= '(' . $commalist . ')';
118 } elsif ( defined $size[0] && $size[0] > 0 ) {
119 $field_def .= '(' . join( ', ', @size ) . ')';
123 for my $qual ( qw[ binary unsigned zerofill ] ) {
124 my $val = $extra{ $qual || uc $qual } or next;
125 $field_def .= " $val";
129 $field_def .= ' NOT NULL' unless $field->is_nullable;
131 # Default? XXX Need better quoting!
132 my $default = $field->default_value;
133 if ( defined $default ) {
134 if ( uc $default eq 'NULL') {
135 $field_def .= ' DEFAULT NULL';
137 $field_def .= " DEFAULT '$default'";
142 $field_def .= " auto_increment" if $field->is_auto_increment;
143 push @field_defs, $field_def;
150 for my $index ( $table->get_indices ) {
151 push @index_defs, join( ' ',
152 lc $index->type eq 'normal' ? 'INDEX' : $index->type,
154 '(' . join( ', ', $index->fields ) . ')'
159 # Constraints -- need to handle more than just FK. -ky
162 for my $c ( $table->get_constraints ) {
163 my @fields = $c->fields or next;
165 if ( $c->type eq PRIMARY_KEY ) {
166 push @constraint_defs,
167 'PRIMARY KEY (' . join(', ', @fields). ')';
169 elsif ( $c->type eq UNIQUE ) {
170 push @constraint_defs,
171 'UNIQUE (' . join(', ', @fields). ')';
173 elsif ( $c->type eq FOREIGN_KEY ) {
175 map { $_ || () } 'FOREIGN KEY', $c->name
178 $def .= ' (' . join( ', ', @fields ) . ')';
180 $def .= ' REFERENCES ' . $c->reference_table;
182 if ( my @rfields = $c->reference_fields ) {
183 $def .= ' (' . join( ', ', @rfields ) . ')';
186 if ( $c->match_type ) {
188 ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
191 if ( $c->on_delete ) {
192 $def .= ' ON DELETE '.join( ' ', $c->on_delete );
195 if ( $c->on_update ) {
196 $def .= ' ON UPDATE '.join( ' ', $c->on_update );
199 push @constraint_defs, $def;
203 $create .= join(",\n", map { " $_" }
204 @field_defs, @index_defs, @constraint_defs
212 # my ( $key, $val ) = each %{ $table->options }
214 # $create .= " $key=$val"
227 SQL::Translator::Producer::MySQL - MySQL-specific producer for SQL::Translator
231 darren chamberlain E<lt>darren@cpan.orgE<gt>,
232 Ken Y. Clark E<lt>kclark@cpan.orgE<gt>