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';
14 around _build_data_type_mapping {
15 my $data_type_mapping = $self->$orig;
16 $data_type_mapping->{date} = SQL_DATE();
18 return $data_type_mapping;
21 multi method parse(Schema $data) { $data }
23 multi method parse(Str $data) {
24 my $parser = Parse::RecDescent->new($self->grammar);
26 unless (defined $parser) {
27 return $self->error("Error instantiating Parse::RecDescent ".
28 "instance: Bad grammar");
31 # my $parser_version = parse_mysql_version(
32 # $translator->parser_args->{mysql_parser_version}, 'mysql'
33 # ) || DEFAULT_PARSER_VERSION;
34 my $parser_version = 30000;
36 while ($data =~ s#/\*!(\d{5})?(.*?)\*/#($1 && $1 > $parser_version ? '' : $2)#es) { }
38 my $result = $parser->startrule($data);
39 die "Parse failed" unless defined $result;
41 my $translator = $self->translator;
42 my $schema = $translator->schema;
43 $schema->name($result->{'database_name'}) if $result->{'database_name'};
45 my @tables = sort { $result->{'tables'}{ $a }{'order'} <=> $result->{'tables'}{ $b }{'order'} } keys %{ $result->{'tables'} };
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};
53 my @fields = sort { $tdata->{'fields'}->{$a}->{'order'} <=> $tdata->{'fields'}->{$b}->{'order'} } keys %{ $tdata->{'fields'} };
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 => $fdata->{comments},
69 $table->add_column($field);
71 $table->primary_key( $field->name ) if $fdata->{'is_primary_key'};
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;
79 #$field->extra( $qual, $val );
82 $field->extra(\%extra);
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);
90 if ( $fdata->{is_unique} ) {
91 push @{ $tdata->{constraints} }, { name => '', type => 'UNIQUE', fields => [ $fdata->{name} ] };
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;
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);
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'} )
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;
123 # @cleaned_options = @options;
125 # $table->options( \@cleaned_options ) or die $table->error;
128 for my $cdata ( @{ $tdata->{constraints} || [] } ) {
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} || '',
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}};
143 $constraint = Constraint->new({ name => $cdata->{name} || '', type => uc $cdata->{type}, table => $table });
145 $constraint->add_column($table->get_column($_)) for @{$cdata->{fields}};
146 $table->add_constraint($constraint);
149 # After the constrains and PK/idxs have been created,
150 # we normalize fields
151 normalize_field($_) for $table->get_fields;
154 for my $proc_name ( keys %{ $result->{procedures} } ) {
155 my $procedure = Procedure->new({ name => $proc_name,
156 owner => $result->{procedures}->{$proc_name}->{owner},
157 sql => $result->{procedures}->{$proc_name}->{sql}
159 $schema->add_procedure($procedure);
162 for my $view_name ( keys %{ $result->{'views'} } ) {
163 my $view = View->new({
165 sql => $result->{'views'}->{$view_name}->{sql},
167 $schema->add_view($view);
172 # Takes a field, and returns
173 method normalize_field {
174 my ($size, $type, $list, $changed); # = @_;
176 $size = $self->size || 0;
177 $type = $self->data_type;
178 $list = $self->extra->{list} || [];
180 if ( !ref $size && $size == 0 ) {
181 if ( lc $type eq 'tinyint' ) {
182 $changed = $size != 4;
185 elsif ( lc $type eq 'smallint' ) {
186 $changed = $size != 6;
189 elsif ( lc $type eq 'mediumint' ) {
190 $changed = $size != 9;
193 elsif ( $type =~ /^int(eger)?$/i ) {
194 $changed = $size != 11 || $type ne 'int';
198 elsif ( lc $type eq 'bigint' ) {
199 $changed = $size != 20;
202 elsif ( lc $type =~ /(float|double|decimal|numeric|real|fixed|dec)/ ) {
203 my $old_size = (ref $size || '') eq 'ARRAY' ? $size : [];
204 $changed = @$old_size != 2
205 || $old_size->[0] != 8
206 || $old_size->[1] != 2;
211 if ( $type =~ /^tiny(text|blob)$/i ) {
212 $changed = $size != 255;
215 elsif ( $type =~ /^(blob|text)$/i ) {
216 $changed = $size != 65_535;
219 elsif ( $type =~ /^medium(blob|text)$/i ) {
220 $changed = $size != 16_777_215;
223 elsif ( $type =~ /^long(blob|text)$/i ) {
224 $changed = $size != 4_294_967_295;
225 $size = 4_294_967_295;
228 if ( $type =~ /(set|enum)/i && !$size ) {
229 my %extra = $self->extra;
231 for my $len ( map { length } @{ $extra{'list'} || [] } ) {
232 $longest = $len if $len > $longest;
235 $size = $longest if $longest;
239 # We only want to clone the field, not *everything*
241 # local $field->{table} = undef;
242 # $field->parsed_field( dclone( $field ) );
243 # $field->parsed_field->{table} = $field->table;
245 $self->size( $size );
246 $self->data_type( $type );
247 # $column->sql_data_type( $self->data_type_mapping->{$type} || -99999 );
248 $self->extra->{list} = $list if @$list;