package SQL::Translator::Producer::MySQL;
-#-----------------------------------------------------
-# $Id: MySQL.pm,v 1.1 2002-03-27 12:41:53 dlc Exp $
-#-----------------------------------------------------
-# Copyright (C) 2002 Ken Y. Clark <kycl4rk@users.sourceforge.net>,
-# darren chamberlain <darren@cpan.org>
+# -------------------------------------------------------------------
+# $Id: MySQL.pm,v 1.22 2003-06-11 04:00:43 kycl4rk Exp $
+# -------------------------------------------------------------------
+# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
+# darren chamberlain <darren@cpan.org>,
+# Chris Mungall <cjm@fruitfly.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# -------------------------------------------------------------------
use strict;
-use vars qw($VERSION $DEBUG);
-$VERSION = sprintf "%d.%02d", q$Revision: 1.1 $ =~ /(\d+)\.(\d+)/;
-$DEBUG = 1 unless defined $DEBUG;
+use vars qw[ $VERSION $DEBUG ];
+$VERSION = sprintf "%d.%02d", q$Revision: 1.22 $ =~ /(\d+)\.(\d+)/;
+$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
-
-sub import {
- warn "loading " . __PACKAGE__ . "...\n";
-}
+use SQL::Translator::Schema::Constants;
+use SQL::Translator::Utils qw(debug header_comment);
+
+my %translate = (
+ #
+ # Oracle types
+ #
+ varchar2 => 'varchar',
+ long => 'text',
+ CLOB => 'longtext',
+
+ #
+ # Sybase types
+ #
+ int => 'integer',
+ money => 'float',
+ real => 'double',
+ comment => 'text',
+ bit => 'tinyint',
+);
sub produce {
- my ($translator, $data) = @_;
- debug("Beginning");
- my $create = sprintf
-"# ----------------------------------------------------------------------
-# Created by %s
-# Created on %s
-# ----------------------------------------------------------------------\n\n",
- __PACKAGE__, scalar localtime;
-
- for my $table (keys %{$data}) {
- debug("Looking a '$table'");
- my $table_data = $data->{$table};
- my @fields = sort { $table_data->{'fields'}->{$a}->{'order'} <=>
- $table_data->{'fields'}->{$b}->{'order'}
- } keys %{$table_data->{'fields'}};
-
- # --------------------------------------------------------------
+ my $translator = shift;
+ local $DEBUG = $translator->debug;
+ my $no_comments = $translator->no_comments;
+ my $add_drop_table = $translator->add_drop_table;
+ my $schema = $translator->schema;
+
+ debug("PKG: Beginning production\n");
+
+ my $create;
+ $create .= header_comment unless ($no_comments);
+
+ for my $table ( $schema->get_tables ) {
+ my $table_name = $table->name;
+ debug("PKG: Looking at table '$table_name'\n");
+
+ #
# Header. Should this look like what mysqldump produces?
- # --------------------------------------------------------------
- $create .=
-"# ----------------------------------------------------------------------
-# Table: $table
-# ----------------------------------------------------------------------\n";
- $create .= "CREATE TABLE $table (\n";
-
- # --------------------------------------------------------------
+ #
+ $create .= "--\n-- Table: $table_name\n--\n" unless $no_comments;
+ $create .= qq[DROP TABLE IF EXISTS $table_name;\n] if $add_drop_table;
+ $create .= "CREATE TABLE $table_name (\n";
+
+ #
# Fields
- # --------------------------------------------------------------
- for (my $i = 0; $i <= $#fields; $i++) {
- my $field = $fields[$i];
- debug("Looking at field: $field");
- my $field_data = $table_data->{'fields'}->{$field};
- my @fdata = ("", $field);
+ #
+ my @field_defs;
+ for my $field ( $table->get_fields ) {
+ my $field_name = $field->name;
+ debug("PKG: Looking at field '$field_name'\n");
+ my $field_def = $field_name;
# data type and size
- push @fdata, sprintf "%s(%d)", $field_data->{'data_type'},
- $field_data->{'size'};
+ my $data_type = $field->data_type;
+ my @size = $field->size;
+
+ #
+ # Oracle "number" type -- figure best MySQL type
+ #
+ if ( lc $data_type eq 'number' ) {
+ # not an integer
+ if ( scalar @size > 1 ) {
+ $data_type = 'double';
+ }
+ elsif ( $size[0] >= 12 ) {
+ $data_type = 'bigint';
+ }
+ elsif ( $size[0] <= 1 ) {
+ $data_type = 'tinyint';
+ }
+ else {
+ $data_type = 'int';
+ }
+ }
+ elsif ( exists $translate{ $data_type } ) {
+ $data_type = $translate{ $data_type };
+ }
+
+ $field_def .= " $data_type";
+ if ( defined $size[0] && $size[0] > 0 ) {
+ $field_def .= '(' . join( ', ', @size ) . ')';
+ }
+
+ # MySQL qualifiers
+ my %extra = $field->extra;
+ for my $qual ( qw[ binary unsigned zerofill ] ) {
+ my $val = $extra{ $qual || uc $qual } or next;
+ $field_def .= " $val";
+ }
# Null?
- push @fdata, "NOT NULL" unless $field_data->{'null'};
+ $field_def .= ' NOT NULL' unless $field->is_nullable;
# Default? XXX Need better quoting!
- if (my $default = $field_data->{'default'}) {
- if (int $default eq "$default") {
- push @fdata, "DEFAULT $default";
+ my $default = $field->default_value;
+ if ( defined $default ) {
+ if ( uc $default eq 'NULL') {
+ $field_def .= ' DEFAULT NULL';
} else {
- push @fdata, "DEFAULT '$default'";
+ $field_def .= " DEFAULT '$default'";
}
}
# auto_increment?
- push @fdata, "auto_increment" if $field_data->{'is_auto_inc'};
+ $field_def .= " auto_increment" if $field->is_auto_increment;
+ push @field_defs, $field_def;
+ }
+
+ #
+ # Indices
+ #
+ my @index_defs;
+ for my $index ( $table->get_indices ) {
+ push @index_defs, join( ' ',
+ $index->type,
+ $index->name,
+ '(' . join( ', ', $index->fields ) . ')'
+ );
+ }
- # primary key?
- push @fdata, "PRIMARY KEY" if $field_data->{'is_primary_key'};
+ #
+ # Constraints -- need to handle more than just FK. -ky
+ #
+ my @constraint_defs;
+ for my $c ( $table->get_constraints ) {
+ my @fields = $c->fields or next;
+ if ( $c->type eq PRIMARY_KEY ) {
+ push @constraint_defs,
+ 'PRIMARY KEY (' . join(', ', @fields). ')';
+ }
+ elsif ( $c->type eq UNIQUE ) {
+ push @constraint_defs,
+ 'UNIQUE (' . join(', ', @fields). ')';
+ }
+ elsif ( $c->type eq FOREIGN_KEY ) {
+ my $def = join(' ',
+ map { $_ || () } 'FOREIGN KEY', $c->name
+ );
- $create .= (join "\t", @fdata);
- $create .= "," unless ($i == $#fields);
- $create .= "\n";
- }
+ $def .= ' (' . join( ', ', @fields ) . ')';
+
+ $def .= ' REFERENCES ' . $c->reference_table;
+
+ if ( my @rfields = $c->reference_fields ) {
+ $def .= ' (' . join( ', ', @rfields ) . ')';
+ }
- # --------------------------------------------------------------
- # Other keys
- # --------------------------------------------------------------
+ if ( $c->match_type ) {
+ $def .= ' MATCH ' .
+ ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
+ }
+ if ( $c->on_delete ) {
+ $def .= ' ON DELETE '.join( ' ', $c->on_delete );
+ }
+
+ if ( $c->on_update ) {
+ $def .= ' ON UPDATE '.join( ' ', $c->on_update );
+ }
- # --------------------------------------------------------------
+ push @constraint_defs, $def;
+ }
+ }
+
+ $create .= join(",\n", map { " $_" }
+ @field_defs, @index_defs, @constraint_defs
+ );
+
+ #
# Footer
- # --------------------------------------------------------------
- $create .= ")";
- $create .= " TYPE=$table_data->{'type'}"
- if defined $table_data->{'type'};
+ #
+ $create .= "\n)";
+# while (
+# my ( $key, $val ) = each %{ $table->options }
+# ) {
+# $create .= " $key=$val"
+# }
$create .= ";\n\n";
}
- $create .= "#\n";
-
return $create;
}
-use Carp;
-sub debug {
- if ($DEBUG) {
- map { carp "[" . __PACKAGE__ . "] $_" } @_;
- }
-}
-
1;
__END__
=head1 NAME
-SQL::Translator::Producer::MySQL - mysql-specific producer for SQL::Translator
-
+SQL::Translator::Producer::MySQL - MySQL-specific producer for SQL::Translator
-=head1 AUTHOR
+=head1 AUTHORS
-darren chamberlain E<lt>darren@cpan.orgE<gt>
+darren chamberlain E<lt>darren@cpan.orgE<gt>,
+Ken Y. Clark E<lt>kclark@cpan.orgE<gt>