lib/SQL/Translator/Parser/DDL/MySQL.pm

   1 use MooseX::Declare;
   2 role SQL::Translator::Parser::DDL::MySQL {
   3     use MooseX::Types::Moose qw(Str);
   4     use MooseX::MultiMethods;
   5     use SQL::Translator::Constants qw(:sqlt_types :sqlt_constants);
   6     use aliased 'SQL::Translator::Object::Column';
   7     use aliased 'SQL::Translator::Object::Constraint';
   8     use aliased 'SQL::Translator::Object::ForeignKey';
   9     use aliased 'SQL::Translator::Object::Index';
  10     use aliased 'SQL::Translator::Object::PrimaryKey';
  11     use aliased 'SQL::Translator::Object::Schema';
  12     use aliased 'SQL::Translator::Object::Table';
  13
  14     around _build_data_type_mapping {
  15         my $data_type_mapping = $self->$orig;
  16         $data_type_mapping->{date} = SQL_DATE();
  17
  18         return $data_type_mapping;
  19     };
  20
  21     multi method parse(Schema $data) { $data }
  22
  23     multi method parse(Str $data) {
  24         my $parser = Parse::RecDescent->new($self->grammar);
  25
  26         unless (defined $parser) {
  27             return $self->error("Error instantiating Parse::RecDescent ".
  28                 "instance: Bad grammar");
  29         }
  30
  31 #    my $parser_version = parse_mysql_version(
  32 #        $translator->parser_args->{mysql_parser_version}, 'mysql'
  33 #    ) || DEFAULT_PARSER_VERSION;
  34         my $parser_version = 30000;
  35
  36         while ($data =~ s#/\*!(\d{5})?(.*?)\*/#($1 && $1 > $parser_version ? '' : $2)#es) { }
  37
  38         my $result = $parser->startrule($data);
  39         die "Parse failed" unless defined $result;
  40
  41         my $translator = $self->translator;
  42         my $schema = $translator->schema;
  43         $schema->name($result->{'database_name'}) if $result->{'database_name'};
  44
  45         my @tables = sort { $result->{'tables'}{ $a }{'order'} <=> $result->{'tables'}{ $b }{'order'} } keys %{ $result->{'tables'} };
  46
  47         for my $table_name ( @tables ) {
  48             my $tdata = $result->{tables}{ $table_name };
  49             my $table = Table->new({ name => $tdata->{table_name}, schema => $schema });
  50             $schema->add_table($table);
  51             $table->comments( join "\n", @{$tdata->{comments}} ) if $tdata->{comments};
  52
  53             my @fields = sort { $tdata->{'fields'}->{$a}->{'order'} <=> $tdata->{'fields'}->{$b}->{'order'} } keys %{ $tdata->{'fields'} };
  54
  55             for my $fname ( @fields ) {
  56                 my $fdata = $tdata->{fields}{ $fname };
  57                 my $field = Column->new({
  58                     name              => $fdata->{name},
  59                     data_type         => $fdata->{data_type},
  60                     sql_data_type     => $self->data_type_mapping->{$fdata->{data_type}} || -999999,
  61                     size              => $fdata->{size},
  62                     default_value     => $fdata->{default},
  63                     is_auto_increment => $fdata->{is_auto_inc},
  64                     is_nullable       => $fdata->{null},
  65                     is_primary_key    => $fdata->{is_primary_key} ? 1 : 0,
  66                     table             => $table,
  67                 });
  68                 $field->comments($fdata->{comments});
  69                 $table->add_column($field);
  70
  71                 $table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
  72
  73                 my %extra;
  74                 for my $qual ( qw[ binary unsigned zerofill list collate ],
  75                         'character set', 'on update' ) {
  76                     if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) {
  77                         next if ref $val eq 'ARRAY' && !@$val;
  78                         $extra{$qual} = $val;
  79                         #$field->extra( $qual, $val );
  80                     }
  81                 }
  82                 $field->extra(\%extra);
  83
  84                 if ( $fdata->{has_index} ) {
  85                     my $index = Index->new({ name => '', type => 'NORMAL', table => $table });
  86                     $index->add_column($table->get_column($fdata->{name}));
  87                     $table->add_index($index);
  88                 }
  89
  90                 if ( $fdata->{is_unique} ) {
  91                     push @{ $tdata->{constraints} }, { name => '', type => 'UNIQUE', fields => [ $fdata->{name} ] };
  92                 }
  93
  94                 for my $cdata ( @{ $fdata->{constraints} } ) {
  95                     next unless lc $cdata->{type} eq 'foreign_key';
  96                     $cdata->{fields} ||= [ $field->name ];
  97                     push @{ $tdata->{constraints} }, $cdata;
  98                 }
  99             }
 100
 101             for my $idata ( @{ $tdata->{indices} || [] } ) {
 102                 my $index = Index->new({ name => $idata->{name} || '', type => uc($idata->{type}), table => $table });
 103                 map { $index->add_column($table->get_column($_)) } @{$idata->{fields}};
 104                 $table->add_index($index);
 105             }
 106
 107
 108 #            if ( my @options = @{ $tdata->{'table_options'} || [] } ) {
 109 #                my @cleaned_options;
 110 #                my @ignore_opts = $self->parser_args->{'ignore_opts'}
 111 #                    ? split( /,/, $self->parser_args->{'ignore_opts'} )
 112 #                    : ();
 113 #                if (@ignore_opts) {
 114 #                    my $ignores = { map { $_ => 1 } @ignore_opts };
 115 #                    foreach my $option (@options) {
 116 #                        # make sure the option isn't in ignore list
 117 #                        my ($option_key) = keys %$option;
 118 #                        if ( !exists $ignores->{$option_key} ) {
 119 #                            push @cleaned_options, $option;
 120 #                        }
 121 #                    }
 122 #                } else {
 123 #                    @cleaned_options = @options;
 124 #                }
 125 #                $table->options( \@cleaned_options ) or die $table->error;
 126 #            }
 127
 128             for my $cdata ( @{ $tdata->{constraints} || [] } ) {
 129                 my $constraint;
 130                 if (uc $cdata->{type} eq 'PRIMARY_KEY') {
 131                     $constraint = PrimaryKey->new({ name => $cdata->{name} || '', table => $table });
 132                     $table->get_column($_)->is_primary_key(1) for @{$cdata->{fields}};
 133                 } elsif (uc $cdata->{type} eq 'FOREIGN_KEY') {
 134                     $constraint = ForeignKey->new({ name => $cdata->{name} || '',
 135                                                     table => $table,
 136                                                     reference_table => $cdata->{reference_table},
 137                                                     reference_columns => $cdata->{reference_fields},
 138                                                     on_delete => $cdata->{on_delete} || $cdata->{on_delete_do},
 139                                                     on_update => $cdata->{on_update} || $cdata->{on_update_do} });
 140                     $table->get_column($_)->is_foreign_key(1) for @{$cdata->{fields}};
 141                     $table->get_column($_)->foreign_key_reference($constraint) for @{$cdata->{fields}};
 142                 } else {
 143                     $constraint = Constraint->new({ name => $cdata->{name} || '', type => uc $cdata->{type}, table => $table });
 144                 }
 145                 $constraint->add_column($table->get_column($_)) for @{$cdata->{fields}};
 146                 $table->add_constraint($constraint);
 147             }
 148         }
 149
 150         for my $proc_name ( keys %{ $result->{procedures} } ) {
 151             my $procedure = Procedure->new({ name  => $proc_name,
 152                                              owner => $result->{procedures}->{$proc_name}->{owner},
 153                                              sql   => $result->{procedures}->{$proc_name}->{sql}
 154             });
 155             $schema->add_procedure($procedure);
 156         }
 157
 158         for my $view_name ( keys %{ $result->{'views'} } ) {
 159             my $view = View->new({
 160                 name => $view_name,
 161                 sql  => $result->{'views'}->{$view_name}->{sql},
 162             });
 163             $schema->add_view($view);
 164         }
 165         return 1;
 166     }
 167 }