use Carp::Clan qw/^DBIx::Class/;
use Class::C3;
+our $VERSION = '0.08000';
+
=head1 NAME
DBIx::Class::Schema::Loader::DBI::mysql - DBIx::Class::Schema::Loader::DBI mysql Implementation.
package My::Schema;
use base qw/DBIx::Class::Schema::Loader/;
- __PACKAGE__->load_from_connection(
- relationships => 1,
- );
+ __PACKAGE__->loader_options( debug => 1 );
1;
=cut
+sub _setup {
+ my $self = shift;
+
+ $self->next::method(@_);
+
+ if (not defined $self->preserve_case) {
+ $self->preserve_case(0);
+ }
+}
+
+sub _tables_list {
+ my ($self, $opts) = @_;
+
+ return $self->next::method($opts, undef, undef);
+}
+
sub _table_fk_info {
my ($self, $table) = @_;
my $dbh = $self->schema->storage->dbh;
- my $table_def_ref = $dbh->selectrow_arrayref("SHOW CREATE TABLE $table")
- or croak ("Cannot get table definition for $table");
- my $table_def = $table_def_ref->[1] || '';
-
- my (@reldata) = ($table_def =~ /CONSTRAINT `.*` FOREIGN KEY \(`(.*)`\) REFERENCES `(.*)` \(`(.*)`\)/ig);
+
+ my $table_def_ref = eval { $dbh->selectrow_arrayref("SHOW CREATE TABLE `$table`") };
+ my $table_def = $table_def_ref->[1];
+
+ return [] if not $table_def;
+
+ my $qt = qr/["`]/;
+
+ my (@reldata) = ($table_def =~
+ /CONSTRAINT $qt.*$qt FOREIGN KEY \($qt(.*)$qt\) REFERENCES $qt(.*)$qt \($qt(.*)$qt\)/ig
+ );
my @rels;
while (scalar @reldata > 0) {
my $f_table = shift @reldata;
my $f_cols = shift @reldata;
- my @cols = map { s/\Q$self->{_quoter}\E//; lc $_ }
- split(/\s*,\s*/, $cols);
+ my @cols = map { s/(?: \Q$self->{_quoter}\E | $qt )//x; $self->_lc($_) }
+ split(/$qt?\s*$qt?,$qt?\s*$qt?/, $cols);
- my @f_cols = map { s/\Q$self->{_quoter}\E//; lc $_ }
- split(/\s*,\s*/, $f_cols);
+ my @f_cols = map { s/(?: \Q$self->{_quoter}\E | $qt )//x; $self->_lc($_) }
+ split(/$qt?\s*$qt?,$qt?\s*$qt?/, $f_cols);
push(@rels, {
local_columns => \@cols,
if(!exists($self->{_cache}->{_mysql_keys}->{$table})) {
my %keydata;
my $dbh = $self->schema->storage->dbh;
- my $sth = $dbh->prepare("SHOW INDEX FROM $table");
+ my $sth = $dbh->prepare('SHOW INDEX FROM '.$self->_table_as_sql($table));
$sth->execute;
while(my $row = $sth->fetchrow_hashref) {
next if $row->{Non_unique};
push(@{$keydata{$row->{Key_name}}},
- [ $row->{Seq_in_index}, lc $row->{Column_name} ]
+ [ $row->{Seq_in_index}, $self->_lc($row->{Column_name}) ]
);
}
foreach my $keyname (keys %keydata) {
return \@uniqs;
}
+sub _columns_info_for {
+ my $self = shift;
+ my ($table) = @_;
+
+ my $result = $self->next::method(@_);
+
+ my $dbh = $self->schema->storage->dbh;
+
+ while (my ($col, $info) = each %$result) {
+ delete $info->{size} if $info->{data_type} !~ /^(?: (?:var)?(?:char(?:acter)?|binary) | bit | year)\z/ix;
+
+ if ($info->{data_type} eq 'int') {
+ $info->{data_type} = 'integer';
+ }
+ elsif ($info->{data_type} eq 'double') {
+ $info->{data_type} = 'double precision';
+ }
+
+ # information_schema is available in 5.0+
+ my ($precision, $scale, $column_type, $default) = eval { $dbh->selectrow_array(<<'EOF', {}, $table, $col) };
+SELECT numeric_precision, numeric_scale, column_type, column_default
+FROM information_schema.columns
+WHERE table_name = ? AND column_name = ?
+EOF
+ my $has_information_schema = not defined $@;
+
+ $column_type = '' if not defined $column_type;
+
+ if ($info->{data_type} eq 'bit' && (not exists $info->{size})) {
+ $info->{size} = $precision if defined $precision;
+ }
+ elsif ($info->{data_type} =~ /^(?:float|double precision|decimal)\z/i) {
+ if (defined $precision && defined $scale) {
+ if ($precision == 10 && $scale == 0) {
+ delete $info->{size};
+ }
+ else {
+ $info->{size} = [$precision,$scale];
+ }
+ }
+ }
+ elsif ($info->{data_type} eq 'year') {
+ if ($column_type =~ /\(2\)/) {
+ $info->{size} = 2;
+ }
+ elsif ($column_type =~ /\(4\)/ || $info->{size} == 4) {
+ delete $info->{size};
+ }
+ }
+
+ # Sometimes apparently there's a bug where default_value gets set to ''
+ # for things that don't actually have or support that default (like ints.)
+ if (exists $info->{default_value} && $info->{default_value} eq '') {
+ if ($has_information_schema) {
+ if (not defined $default) {
+ delete $info->{default_value};
+ }
+ }
+ else { # just check if it's a char/text type, otherwise remove
+ delete $info->{default_value} unless $info->{data_type} =~ /char|text/i;
+ }
+ }
+ }
+
+ return $result;
+}
+
+sub _extra_column_info {
+ no warnings 'uninitialized';
+ my ($self, $table, $col, $info, $dbi_info) = @_;
+ my %extra_info;
+
+ if ($dbi_info->{mysql_is_auto_increment}) {
+ $extra_info{is_auto_increment} = 1
+ }
+ if ($dbi_info->{mysql_type_name} =~ /\bunsigned\b/i) {
+ $extra_info{extra}{unsigned} = 1;
+ }
+ if ($dbi_info->{mysql_values}) {
+ $extra_info{extra}{list} = $dbi_info->{mysql_values};
+ }
+ if ( lc($dbi_info->{COLUMN_DEF}) eq 'current_timestamp'
+ && lc($dbi_info->{mysql_type_name}) eq 'timestamp') {
+
+ my $current_timestamp = 'current_timestamp';
+ $extra_info{default_value} = \$current_timestamp;
+ }
+
+ return \%extra_info;
+}
+
=head1 SEE ALSO
L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,
L<DBIx::Class::Schema::Loader::DBI>
+=head1 AUTHOR
+
+See L<DBIx::Class::Schema::Loader/AUTHOR> and L<DBIx::Class::Schema::Loader/CONTRIBUTORS>.
+
+=head1 LICENSE
+
+This library is free software; you can redistribute it and/or modify it under
+the same terms as Perl itself.
+
=cut
1;
+# vim:et sw=4 sts=4 tw=0:
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