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    => $fdata->{is_primary_key} ? 1 : 0,
  66                     comments          => (join "\n", @{$fdata->{comments}}) || '',
  67                 });
  68                 $table->add_column($field);
  69
  70                 $table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
  71
  72                 my %extra;
  73                 for my $qual ( qw[ binary unsigned zerofill list collate ],
  74                         'character set', 'on update' ) {
  75                     if ( my $val = $fdata->{ $qual } || $fdata->{ uc $qual } ) {
  76                         next if ref $val eq 'ARRAY' && !@$val;
  77                         $extra{$qual} = $val;
  78                         #$field->extra( $qual, $val );
  79                     }
  80                 }
  81                 $field->extra(\%extra);
  82
  83                 if ( $fdata->{has_index} ) {
  84                     my $index = Index->new({ name => '', type => 'NORMAL' });
  85                     $index->add_column($table->get_column($fdata->{name}));
  86                     $table->add_index($index);
  87                 }
  88
  89                 if ( $fdata->{is_unique} ) {
  90                     push @{ $tdata->{constraints} }, { name => '', type => 'UNIQUE', fields => [ $fdata->{name} ] };
  91 #                     my $constraint = Constraint->new({ name => '', type => 'UNIQUE' });
  92 #                     $constraint->add_column($table->get_column($fdata->{name}));
  93 #                     $table->add_constraint($constraint);
  94                 }
  95
  96                 for my $cdata ( @{ $fdata->{constraints} } ) {
  97                     next unless lc $cdata->{type} eq 'foreign_key';
  98                     $cdata->{fields} ||= [ $field->name ];
  99                     push @{ $tdata->{constraints} }, $cdata;
 100                 }
 101             }
 102
 103             for my $idata ( @{ $tdata->{indices} || [] } ) {
 104                 my $index = Index->new({ name => $idata->{name} || '', type => uc($idata->{type}) });
 105                 map { $index->add_column($table->get_column($_)) } @{$idata->{fields}};
 106                 $table->add_index($index);
 107             }
 108
 109
 110 #            if ( my @options = @{ $tdata->{'table_options'} || [] } ) {
 111 #                my @cleaned_options;
 112 #                my @ignore_opts = $self->parser_args->{'ignore_opts'}
 113 #                    ? split( /,/, $self->parser_args->{'ignore_opts'} )
 114 #                    : ();
 115 #                if (@ignore_opts) {
 116 #                    my $ignores = { map { $_ => 1 } @ignore_opts };
 117 #                    foreach my $option (@options) {
 118 #                        # make sure the option isn't in ignore list
 119 #                        my ($option_key) = keys %$option;
 120 #                        if ( !exists $ignores->{$option_key} ) {
 121 #                            push @cleaned_options, $option;
 122 #                        }
 123 #                    }
 124 #                } else {
 125 #                    @cleaned_options = @options;
 126 #                }
 127 #                $table->options( \@cleaned_options ) or die $table->error;
 128 #            }
 129
 130             for my $cdata ( @{ $tdata->{constraints} || [] } ) {
 131                 my $constraint;
 132                 if (uc $cdata->{type} eq 'PRIMARY_KEY') {
 133                     $constraint = PrimaryKey->new({ name => $cdata->{name} || 'primary_key' });
 134                 map { $constraint->add_column($table->get_column($_)) } @{$cdata->{fields}};
 135                 $table->get_column($_)->is_primary_key(1) for @{$cdata->{fields}};
 136                 } elsif (uc $cdata->{type} eq 'FOREIGN_KEY') {
 137                     $constraint = ForeignKey->new({ name => $cdata->{name} || 'foreign_key',
 138                                                     reference_table => $cdata->{reference_table},
 139                                                     reference_columns => $cdata->{reference_fields},
 140                                                     on_delete => $cdata->{on_delete} || $cdata->{on_delete_do},
 141                                                     on_update => $cdata->{on_update} || $cdata->{on_update_do} });
 142                     $table->get_column($_)->is_foreign_key(1) for @{$cdata->{fields}};
 143                     $table->get_column($_)->foreign_key_reference($constraint) for @{$cdata->{fields}};
 144                 } else {
 145                     $constraint = Constraint->new({ name => $cdata->{name} || 'constraint', type => uc $cdata->{type} });
 146                 map { $constraint->add_column($table->get_column($_)) } @{$cdata->{fields}};
 147                 }
 148                 $table->add_constraint($constraint);
 149
 150 #                my $constraint       =  $table->add_constraint(
 151 #                    name             => $cdata->{'name'},
 152 #                    type             => $cdata->{'type'},
 153 #                    fields           => $cdata->{'fields'},
 154 #                    reference_table  => $cdata->{'reference_table'},
 155 #                    reference_fields => $cdata->{'reference_fields'},
 156 #                    match_type       => $cdata->{'match_type'} || '',
 157 #                    on_delete        => $cdata->{'on_delete'}
 158 #                                     || $cdata->{'on_delete_do'},
 159 #                    on_update        => $cdata->{'on_update'}
 160 #                                     || $cdata->{'on_update_do'},
 161 #                ) or die $table->error;
 162             }
 163
 164             # After the constrains and PK/idxs have been created,
 165             # we normalize fields
 166             normalize_field($_) for $table->get_fields;
 167         }
 168
 169 #        my @procedures = sort { $result->{procedures}->{ $a }->{'order'} <=> $result->{procedures}->{ $b }->{'order'} } keys %{ $result->{procedures} };
 170
 171 #        for my $proc_name ( @procedures ) {
 172 #            $schema->add_procedure(
 173 #                name  => $proc_name,
 174 #                owner => $result->{procedures}->{$proc_name}->{owner},
 175 #                sql   => $result->{procedures}->{$proc_name}->{sql},
 176 #            );
 177 #        }
 178
 179 #        my @views = sort { $result->{views}->{ $a }->{'order'} <=> $result->{views}->{ $b }->{'order'} } keys %{ $result->{views} };
 180
 181 #        for my $view_name ( keys %{ $result->{'views'} } ) {
 182 #            $schema->add_view(
 183 #                name => $view_name,
 184 #                sql  => $result->{'views'}->{$view_name}->{sql},
 185 #            );
 186 #        }
 187         return $schema;
 188     }
 189
 190     # Takes a field, and returns
 191     method normalize_field {
 192         my ($size, $type, $list, $changed); # = @_;
 193
 194         $size = $self->size || 0;
 195         $type = $self->data_type;
 196         $list = $self->extra->{list} || [];
 197
 198         if ( !ref $size && $size == 0 ) {
 199             if ( lc $type eq 'tinyint' ) {
 200                 $changed = $size != 4;
 201                 $size = 4;
 202             }
 203             elsif ( lc $type eq 'smallint' ) {
 204                 $changed = $size != 6;
 205                 $size = 6;
 206             }
 207             elsif ( lc $type eq 'mediumint' ) {
 208                 $changed = $size != 9;
 209                 $size = 9;
 210             }
 211             elsif ( $type =~ /^int(eger)?$/i ) {
 212                 $changed = $size != 11 || $type ne 'int';
 213                 $type = 'int';
 214                 $size = 11;
 215             }
 216             elsif ( lc $type eq 'bigint' ) {
 217                 $changed = $size != 20;
 218                 $size = 20;
 219             }
 220             elsif ( lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/ ) {
 221                 my $old_size = (ref $size || '') eq 'ARRAY' ? $size : [];
 222                 $changed     = @$old_size != 2
 223                             || $old_size->[0] != 8
 224                             || $old_size->[1] != 2;
 225                 $size        = [8,2];
 226             }
 227         }
 228
 229         if ( $type =~ /^tiny(text|blob)$/i ) {
 230             $changed = $size != 255;
 231             $size = 255;
 232         }
 233         elsif ( $type =~ /^(blob|text)$/i ) {
 234             $changed = $size != 65_535;
 235             $size = 65_535;
 236         }
 237         elsif ( $type =~ /^medium(blob|text)$/i ) {
 238             $changed = $size != 16_777_215;
 239             $size = 16_777_215;
 240         }
 241         elsif ( $type =~ /^long(blob|text)$/i ) {
 242             $changed = $size != 4_294_967_295;
 243             $size = 4_294_967_295;
 244         }
 245
 246         if ( $type =~ /(set|enum)/i && !$size ) {
 247             my %extra = $self->extra;
 248             my $longest = 0;
 249             for my $len ( map { length } @{ $extra{'list'} || [] } ) {
 250                 $longest = $len if $len > $longest;
 251             }
 252             $changed = 1;
 253             $size = $longest if $longest;
 254         }
 255
 256 #        if ( $changed ) {
 257             # We only want to clone the field, not *everything*
 258 #            {
 259 #                local $field->{table} = undef;
 260 #                $field->parsed_field( dclone( $field ) );
 261 #                $field->parsed_field->{table} = $field->table;
 262 #            }
 263             $self->size( $size );
 264             $self->data_type( $type );
 265 #            $column->sql_data_type( $self->data_type_mapping->{$type} || -99999 );
 266             $self->extra->{list} = $list if @$list;
 267 #        }
 268         return 1;
 269     }
 270 }