1 package SQL::Translator::Producer::MySQL;
3 # -------------------------------------------------------------------
4 # $Id: MySQL.pm,v 1.21 2003-06-09 01:56:51 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: 1.21 $ =~ /(\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, $data) = @_;
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);
64 for my $table ( $schema->get_tables ) {
65 my $table_name = $table->name;
66 debug("PKG: Looking at table '$table_name'\n");
69 # Header. Should this look like what mysqldump produces?
71 $create .= "--\n-- Table: $table_name\n--\n" unless $no_comments;
72 $create .= qq[DROP TABLE IF EXISTS $table_name;\n] if $add_drop_table;
73 $create .= "CREATE TABLE $table_name (\n";
79 for my $field ( $table->get_fields ) {
80 my $field_name = $field->name;
81 debug("PKG: Looking at field '$field_name'\n");
82 my $field_def = $field_name;
85 my $data_type = $field->data_type;
86 my @size = $field->size;
89 # Oracle "number" type -- figure best MySQL type
91 if ( lc $data_type eq 'number' ) {
93 if ( scalar @size > 1 ) {
94 $data_type = 'double';
96 elsif ( $size[0] >= 12 ) {
97 $data_type = 'bigint';
99 elsif ( $size[0] <= 1 ) {
100 $data_type = 'tinyint';
106 elsif ( exists $translate{ $data_type } ) {
107 $data_type = $translate{ $data_type };
110 $field_def .= " $data_type";
111 if ( defined $size[0] && $size[0] > 0 ) {
112 $field_def .= '(' . join( ', ', @size ) . ')';
116 my %extra = $field->extra;
117 for my $qual ( qw[ binary unsigned zerofill ] ) {
118 my $val = $extra{ $qual || uc $qual } or next;
119 $field_def .= " $val";
123 $field_def .= ' NOT NULL' unless $field->is_nullable;
125 # Default? XXX Need better quoting!
126 my $default = $field->default_value;
127 if ( defined $default ) {
128 if ( uc $default eq 'NULL') {
129 $field_def .= ' DEFAULT NULL';
131 $field_def .= " DEFAULT '$default'";
136 $field_def .= " auto_increment" if $field->is_auto_increment;
137 push @field_defs, $field_def;
144 for my $index ( $table->get_indices ) {
145 push @index_defs, join( ' ',
148 '(' . join( ', ', $index->fields ) . ')'
153 # Constraints -- need to handle more than just FK. -ky
156 for my $c ( $table->get_constraints ) {
157 my @fields = $c->fields or next;
159 if ( $c->type eq PRIMARY_KEY ) {
160 push @constraint_defs,
161 'PRIMARY KEY (' . join(', ', @fields). ')';
163 elsif ( $c->type eq UNIQUE ) {
164 push @constraint_defs,
165 'UNIQUE (' . join(', ', @fields). ')';
167 elsif ( $c->type eq FOREIGN_KEY ) {
169 map { $_ || () } 'FOREIGN KEY', $c->name
172 $def .= ' (' . join( ', ', @fields ) . ')';
174 $def .= ' REFERENCES ' . $c->reference_table;
176 if ( my @rfields = $c->reference_fields ) {
177 $def .= ' (' . join( ', ', @rfields ) . ')';
180 if ( $c->match_type ) {
182 ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
185 if ( $c->on_delete ) {
186 $def .= ' ON DELETE '.join( ' ', $c->on_delete );
189 if ( $c->on_update ) {
190 $def .= ' ON UPDATE '.join( ' ', $c->on_update );
193 push @constraint_defs, $def;
197 $create .= join(",\n", map { " $_" }
198 @field_defs, @index_defs, @constraint_defs
206 # my ( $key, $val ) = each %{ $table->options }
208 # $create .= " $key=$val"
221 SQL::Translator::Producer::MySQL - MySQL-specific producer for SQL::Translator
225 darren chamberlain E<lt>darren@cpan.orgE<gt>,
226 Ken Y. Clark E<lt>kclark@cpan.orgE<gt>