package SQL::Translator::Producer::MySQL;
# -------------------------------------------------------------------
-# $Id: MySQL.pm,v 1.9 2003-03-12 14:17:11 dlc Exp $
+# $Id: MySQL.pm,v 1.19 2003-05-09 17:04:39 kycl4rk Exp $
# -------------------------------------------------------------------
# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>,
# darren chamberlain <darren@cpan.org>,
use strict;
use vars qw[ $VERSION $DEBUG ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.9 $ =~ /(\d+)\.(\d+)/;
-$DEBUG = 1 unless defined $DEBUG;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.19 $ =~ /(\d+)\.(\d+)/;
+$DEBUG = 0 unless defined $DEBUG;
use Data::Dumper;
-use SQL::Translator::Utils qw(debug);
-
-sub import {
- warn "loading " . __PACKAGE__ . "...\n";
-}
+use SQL::Translator::Utils qw(debug header_comment);
+
+my %translate = (
+ #
+ # Oracle types
+ #
+ varchar2 => 'varchar',
+ long => 'text',
+ CLOB => 'longtext',
+
+ #
+ # Sybase types
+ #
+ int => 'integer',
+ money => 'float',
+ real => 'double',
+ comment => 'text',
+ bit => 'tinyint',
+);
sub produce {
my ($translator, $data) = @_;
- $DEBUG = $translator->debug;
+ 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;
- }
+ $create .= header_comment unless ($no_comments);
for my $table ( keys %{ $data } ) {
debug("PKG: Looking at table '$table'\n");
# Header. Should this look like what mysqldump produces?
#
$create .= "--\n-- Table: $table\n--\n" unless $no_comments;
- $create .= qq[DROP TABLE $table;\n] if $add_drop_table;
+ $create .= qq[DROP TABLE IF EXISTS $table;\n] if $add_drop_table;
$create .= "CREATE TABLE $table (";
#
$create .= "\n";
# data type and size
- my $attr = uc $field_data->{'data_type'} eq 'SET' ? 'list' : 'size';
- my @values = @{ $field_data->{ $attr } || [] };
- push @fdata, sprintf "%s%s",
- $field_data->{'data_type'},
- ( @values )
- ? '('.join(', ', @values).')'
+ 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,
+ defined( $values[0] )
+ ? '(' . join( ', ', @values ) . ')'
: '';
# MySQL qualifiers
$create .= (join " ", '', @fdata);
$create .= "," unless ($i == $#fields);
- }
+ }
#
# Indices
#
my @index_creates;
- my @indices = @{ $table_data->{'indices'} || [] };
- for (my $i = 0; $i <= $#indices; $i++) {
- my $key = $indices[$i];
+ 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 ||= '';
+ $type ||= '';
my $index_type =
$type eq 'primary_key' ? 'PRIMARY KEY' :
- $type eq 'unique' ? 'UNIQUE KEY' : 'KEY';
- push @index_creates,
+ $type eq 'unique' ? 'UNIQUE KEY' :
+ $type eq 'key' ? 'KEY' :
+ $type eq 'normal' ? 'KEY' : '';
+
+ next unless $index_type;
+ push @index_creates,
" $index_type $name (" . join( ', ', @$fields ) . ')';
}
#
# Constraints -- need to handle more than just FK. -ky
#
- my @constraints;
- for my $constraint ( @{ $table_data->{'constraints'} } ) {
+ my @constraint_defs;
+ for my $constraint ( @constraints ) {
my $name = $constraint->{'name'} || '';
my $type = $constraint->{'type'};
my $fields = $constraint->{'fields'};
}
$def .= " REFERENCES $ref_table";
- if ( @$ref_fields ) {
+ if ( @{ $ref_fields || [] } ) {
$def .= ' (' . join( ', ', @$ref_fields ) . ')';
}
$def .= ' ON UPDATE '.join(' ', @$on_update);
}
- push @constraints, $def;
+ push @constraint_defs, $def;
}
}
- $create .= join(",\n", '', @constraints) if @constraints;
+ $create .= join(",\n", '', @constraint_defs) if @constraint_defs;
#
# Footer
#
$create .= "\n)";
- while ( my ( $key, $val ) = each %{ $table_data->{'table_options'} } ) {
+ while (
+ my ( $key, $val ) = each %{ $table_data->{'table_options'} ||= {} }
+ ) {
$create .= " $key=$val"
}
$create .= ";\n\n";