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 1.12 2003-04-14 19:20:26 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: 1.12 $ =~ /(\d+)\.(\d+)/;
+$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
-
-sub import {
- warn "loading " . __PACKAGE__ . "...\n";
-}
+use SQL::Translator::Utils qw(debug);
+
+my %translate = (
+ #
+ # Oracle types
+ #
+ varchar2 => 'varchar',
+ long => 'text',
+ CLOB => 'longtext',
+
+ #
+ # Sybase types
+ #
+ int => 'integer',
+ money => 'float',
+ real => 'double',
+ comment => 'text',
+ bit => 'tinyint',
+);
sub produce {
my ($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'");
+ local $DEBUG = $translator->debug;
+ my $no_comments = $translator->no_comments;
+ my $add_drop_table = $translator->add_drop_table;
+
+ debug("PKG: Beginning production\n");
+
+ my $create;
+ unless ( $no_comments ) {
+ $create .= sprintf "--\n-- Created by %s\n-- Created on %s\n--\n\n",
+ __PACKAGE__, scalar localtime;
+ }
+
+ for my $table ( keys %{ $data } ) {
+ debug("PKG: Looking at table '$table'\n");
my $table_data = $data->{$table};
- my @fields = sort { $table_data->{'fields'}->{$a}->{'order'} <=>
- $table_data->{'fields'}->{$b}->{'order'}
- } keys %{$table_data->{'fields'}};
+ my @fields = sort {
+ $table_data->{'fields'}->{$a}->{'order'}
+ <=>
+ $table_data->{'fields'}->{$b}->{'order'}
+ } keys %{$table_data->{'fields'}};
- # --------------------------------------------------------------
+ #
# Header. Should this look like what mysqldump produces?
- # --------------------------------------------------------------
- $create .=
-"# ----------------------------------------------------------------------
-# Table: $table
-# ----------------------------------------------------------------------\n";
- $create .= "CREATE TABLE $table (\n";
-
- # --------------------------------------------------------------
+ #
+ $create .= "--\n-- Table: $table\n--\n" unless $no_comments;
+ $create .= qq[DROP TABLE IF EXISTS $table;\n] if $add_drop_table;
+ $create .= "CREATE TABLE $table (";
+
+ #
# Fields
- # --------------------------------------------------------------
+ #
for (my $i = 0; $i <= $#fields; $i++) {
my $field = $fields[$i];
- debug("Looking at field: $field");
+ debug("PKG: Looking at field '$field'\n");
my $field_data = $table_data->{'fields'}->{$field};
my @fdata = ("", $field);
+ $create .= "\n";
# data type and size
- push @fdata, sprintf "%s(%d)", $field_data->{'data_type'},
- $field_data->{'size'};
+ my $attr = uc $field_data->{'data_type'} eq 'SET'
+ ? 'list' : 'size';
+ my @values = @{ $field_data->{ $attr } || [] };
+ my $data_type = $field_data->{'data_type'};
+
+ if ( $data_type eq 'number' ) {
+ # not an integer
+ if ( scalar @values > 1 ) {
+ $data_type = 'double';
+ }
+ elsif ( $values[0] >= 12 ) {
+ $data_type = 'bigint';
+ }
+ elsif ( $values[0] <= 1 ) {
+ $data_type = 'tinyint';
+ }
+ else {
+ $data_type = 'int';
+ }
+ }
+ elsif ( exists $translate{ $data_type } ) {
+ $data_type = $translate{ $data_type };
+ }
+
+ push @fdata, sprintf "%s%s",
+ $data_type,
+ ( @values )
+ ? '(' . join( ', ', @values ) . ')'
+ : '';
+
+ # MySQL qualifiers
+ for my $qual ( qw[ binary unsigned zerofill ] ) {
+ push @fdata, $qual
+ if $field_data->{ $qual } ||
+ $field_data->{ uc $qual };
+ }
# Null?
push @fdata, "NOT NULL" unless $field_data->{'null'};
# Default? XXX Need better quoting!
- if (my $default = $field_data->{'default'}) {
- if (int $default eq "$default") {
- push @fdata, "DEFAULT $default";
+ my $default = $field_data->{'default'};
+ if ( defined $default ) {
+ if ( uc $default eq 'NULL') {
+ push @fdata, "DEFAULT NULL";
} else {
push @fdata, "DEFAULT '$default'";
}
push @fdata, "auto_increment" if $field_data->{'is_auto_inc'};
# primary key?
- push @fdata, "PRIMARY KEY" if $field_data->{'is_primary_key'};
+ # This is taken care of in the indices, could be duplicated here
+ # push @fdata, "PRIMARY KEY" if $field_data->{'is_primary_key'};
- $create .= (join "\t", @fdata);
+ $create .= (join " ", '', @fdata);
$create .= "," unless ($i == $#fields);
- $create .= "\n";
}
- # --------------------------------------------------------------
- # Other keys
- # --------------------------------------------------------------
+ #
+ # Indices
+ #
+ my @index_creates;
+ my @indices = @{ $table_data->{'indices'} || [] };
+ my @constraints = @{ $table_data->{'constraints'} || [] };
+ for my $key ( @indices, @constraints ) {
+ my ($name, $type, $fields) = @{ $key }{ qw[ name type fields ] };
+ $name ||= '';
+ my $index_type =
+ $type eq 'primary_key' ? 'PRIMARY KEY' :
+ $type eq 'unique' ? 'UNIQUE KEY' :
+ $type eq 'key' ? 'KEY' : '';
+ next unless $index_type;
+ push @index_creates,
+ " $index_type $name (" . join( ', ', @$fields ) . ')';
+ }
+ if ( @index_creates ) {
+ $create .= join(",\n", '', @index_creates);
+ }
- # --------------------------------------------------------------
+ #
+ # Constraints -- need to handle more than just FK. -ky
+ #
+ my @constraint_defs;
+ for my $constraint ( @constraints ) {
+ my $name = $constraint->{'name'} || '';
+ my $type = $constraint->{'type'};
+ my $fields = $constraint->{'fields'};
+ my $ref_table = $constraint->{'reference_table'};
+ my $ref_fields = $constraint->{'reference_fields'};
+ my $match_type = $constraint->{'match_type'} || '';
+ my $on_delete = $constraint->{'on_delete_do'};
+ my $on_update = $constraint->{'on_update_do'};
+
+ if ( $type eq 'foreign_key' ) {
+ my $def = join(' ', map { $_ || () } ' FOREIGN KEY', $name );
+ if ( @$fields ) {
+ $def .= ' (' . join( ', ', @$fields ) . ')';
+ }
+ $def .= " REFERENCES $ref_table";
+
+ if ( @{ $ref_fields || [] } ) {
+ $def .= ' (' . join( ', ', @$ref_fields ) . ')';
+ }
+
+ if ( $match_type ) {
+ $def .= ' MATCH ' .
+ ( $match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
+ }
+
+ if ( @{ $on_delete || [] } ) {
+ $def .= ' ON DELETE '.join(' ', @$on_delete);
+ }
+
+ if ( @{ $on_update || [] } ) {
+ $def .= ' ON UPDATE '.join(' ', @$on_update);
+ }
+
+ push @constraint_defs, $def;
+ }
+ }
+
+ $create .= join(",\n", '', @constraint_defs) if @constraint_defs;
+
+ #
# Footer
- # --------------------------------------------------------------
- $create .= ")";
- $create .= " TYPE=$table_data->{'type'}"
- if defined $table_data->{'type'};
+ #
+ $create .= "\n)";
+ while ( my ( $key, $val ) = each %{ $table_data->{'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
-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>