use strict;
use warnings;
use base 'DBIx::Class::Schema::Loader::DBI';
+use mro 'c3';
use Carp::Clan qw/^DBIx::Class/;
-use Class::C3;
+use List::Util 'first';
+use List::MoreUtils 'any';
+use Try::Tiny;
+use namespace::clean;
-our $VERSION = '0.07000';
+our $VERSION = '0.07010';
=head1 NAME
DBIx::Class::Schema::Loader::DBI::mysql - DBIx::Class::Schema::Loader::DBI mysql Implementation.
-=head1 SYNOPSIS
-
- package My::Schema;
- use base qw/DBIx::Class::Schema::Loader/;
-
- __PACKAGE__->loader_options( debug => 1 );
-
- 1;
-
=head1 DESCRIPTION
-See L<DBIx::Class::Schema::Loader::Base>.
+See L<DBIx::Class::Schema::Loader> and L<DBIx::Class::Schema::Loader::Base>.
=cut
sub _setup {
my $self = shift;
+ $self->schema->storage->sql_maker->quote_char("`");
+ $self->schema->storage->sql_maker->name_sep(".");
+
$self->next::method(@_);
if (not defined $self->preserve_case) {
$self->preserve_case(0);
}
+
+ if ($self->db_schema && $self->db_schema->[0] eq '%') {
+ my @schemas = try {
+ map $_->[0], @{ $self->dbh->selectall_arrayref('SHOW DATABASES') };
+ }
+ catch {
+ croak "no SHOW DATABASES privileges: $_";
+ };
+
+ @schemas = grep {
+ my $schema = $_;
+ not any { $schema eq $_ } $self->_system_schemas
+ } @schemas;
+
+ $self->db_schema(\@schemas);
+ }
+}
+
+sub _system_schemas {
+ my $self = shift;
+
+ return ($self->next::method(@_), 'mysql');
}
sub _tables_list {
sub _table_fk_info {
my ($self, $table) = @_;
- my $dbh = $self->schema->storage->dbh;
-
- my $table_def_ref = eval { $dbh->selectrow_arrayref("SHOW CREATE TABLE `$table`") };
+ my $table_def_ref = eval { $self->dbh->selectrow_arrayref("SHOW CREATE TABLE ".$table->sql_name) };
my $table_def = $table_def_ref->[1];
return [] if not $table_def;
- my $qt = qr/["`]/;
+ my $qt = qr/["`]/;
+ my $nqt = qr/[^"`]/;
my (@reldata) = ($table_def =~
- /CONSTRAINT $qt.*$qt FOREIGN KEY \($qt(.*)$qt\) REFERENCES $qt(.*)$qt \($qt(.*)$qt\)/ig
+ /CONSTRAINT ${qt}${nqt}+${qt} FOREIGN KEY \($qt(.*)$qt\) REFERENCES (?:$qt($nqt+)$qt\.)?$qt($nqt+)$qt \($qt(.+)$qt\)/ig
);
my @rels;
while (scalar @reldata > 0) {
- my $cols = shift @reldata;
- my $f_table = shift @reldata;
- my $f_cols = shift @reldata;
+ my ($cols, $f_schema, $f_table, $f_cols) = splice @reldata, 0, 4;
- my @cols = map { s/(?: \Q$self->{_quoter}\E | $qt )//x; $self->_lc($_) }
+ my @cols = map { s/$qt//g; $self->_lc($_) }
split(/$qt?\s*$qt?,$qt?\s*$qt?/, $cols);
- my @f_cols = map { s/(?: \Q$self->{_quoter}\E | $qt )//x; $self->_lc($_) }
+ my @f_cols = map { s/$qt//g; $self->_lc($_) }
split(/$qt?\s*$qt?,$qt?\s*$qt?/, $f_cols);
+ my $remote_table = first {
+ lc($_->name) eq lc($f_table)
+ && ((not $f_schema) || lc($_->schema) eq lc($f_schema))
+ } $self->_tables_list;
+
push(@rels, {
local_columns => \@cols,
remote_columns => \@f_cols,
- remote_table => $f_table
+ remote_table => $remote_table,
});
}
if(!exists($self->{_cache}->{_mysql_keys}->{$table})) {
my %keydata;
- my $dbh = $self->schema->storage->dbh;
- my $sth = $dbh->prepare('SHOW INDEX FROM '.$self->_table_as_sql($table));
+ my $sth = $self->dbh->prepare('SHOW INDEX FROM '.$table->sql_name);
$sth->execute;
while(my $row = $sth->fetchrow_hashref) {
next if $row->{Non_unique};
my $result = $self->next::method(@_);
- my $dbh = $self->schema->storage->dbh;
-
while (my ($col, $info) = each %$result) {
- delete $info->{size}
- unless $info->{data_type} =~ /^(?: (?:var)?(?:char(?:acter)?|binary) | bit | year)\z/ix;
-
if ($info->{data_type} eq 'int') {
$info->{data_type} = 'integer';
}
elsif ($info->{data_type} eq 'double') {
$info->{data_type} = 'double precision';
}
+ my $data_type = $info->{data_type};
- my ($precision, $scale, $column_type) = eval { $dbh->selectrow_array(<<'EOF', {}, lc $table, lc $col) };
-SELECT numeric_precision, numeric_scale, column_type
+ delete $info->{size} if $data_type !~ /^(?: (?:var)?(?:char(?:acter)?|binary) | bit | year)\z/ix;
+
+ # information_schema is available in 5.0+
+ my ($precision, $scale, $column_type, $default) = eval { $self->dbh->selectrow_array(<<'EOF', {}, $table, $col) };
+SELECT numeric_precision, numeric_scale, column_type, column_default
FROM information_schema.columns
-WHERE lower(table_name) = ? AND lower(column_name) = ?
+WHERE table_name = ? AND column_name = ?
EOF
+ my $has_information_schema = not $@;
+
$column_type = '' if not defined $column_type;
- if ($info->{data_type} eq 'bit' && (not exists $info->{size})) {
+ if ($data_type eq 'bit' && (not exists $info->{size})) {
$info->{size} = $precision if defined $precision;
}
- elsif ($info->{data_type} =~ /^(?:float|double precision|decimal)\z/) {
+ elsif ($data_type =~ /^(?:float|double precision|decimal)\z/i) {
if (defined $precision && defined $scale) {
if ($precision == 10 && $scale == 0) {
delete $info->{size};
}
}
}
- elsif ($info->{data_type} eq 'year') {
+ elsif ($data_type eq 'year') {
if ($column_type =~ /\(2\)/) {
$info->{size} = 2;
}
delete $info->{size};
}
}
+ elsif ($data_type =~ /^(?:date(?:time)?|timestamp)\z/) {
+ if (not (defined $self->datetime_undef_if_invalid && $self->datetime_undef_if_invalid == 0)) {
+ $info->{datetime_undef_if_invalid} = 1;
+ }
+ }
+ elsif ($data_type =~ /^(?:enum|set)\z/ && $has_information_schema
+ && $column_type =~ /^(?:enum|set)\(/) {
+
+ delete $info->{extra}{list};
+
+ while ($column_type =~ /'((?:[^']* (?:''|\\')* [^']*)* [^\\'])',?/xg) {
+ my $el = $1;
+ $el =~ s/''/'/g;
+ push @{ $info->{extra}{list} }, $el;
+ }
+ }
+
+ # 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 $data_type =~ /char|text/i;
+ }
+ }
}
return $result;
if ( lc($dbi_info->{COLUMN_DEF}) eq 'current_timestamp'
&& lc($dbi_info->{mysql_type_name}) eq 'timestamp') {
- $extra_info{default_value} = \'CURRENT_TIMESTAMP';
+ my $current_timestamp = 'current_timestamp';
+ $extra_info{default_value} = \$current_timestamp;
}
return \%extra_info;
}
+sub _dbh_column_info {
+ my $self = shift;
+
+ local $SIG{__WARN__} = sub { warn @_
+ unless $_[0] =~ /^column_info: unrecognized column type/ };
+
+ $self->next::method(@_);
+}
+
+sub _table_comment {
+ my ( $self, $table ) = @_;
+ my $comment = $self->next::method($table);
+ if (not $comment) {
+ ($comment) = try { $self->schema->storage->dbh->selectrow_array(
+ qq{SELECT table_comment
+ FROM information_schema.tables
+ WHERE table_schema = schema()
+ AND table_name = ?
+ }, undef, $table);
+ };
+ # InnoDB likes to auto-append crap.
+ if (not $comment) {
+ # Do nothing.
+ }
+ elsif ($comment =~ /^InnoDB free:/) {
+ $comment = undef;
+ }
+ else {
+ $comment =~ s/; InnoDB.*//;
+ }
+ }
+ return $comment;
+}
+
+sub _column_comment {
+ my ( $self, $table, $column_number, $column_name ) = @_;
+ my $comment = $self->next::method($table, $column_number, $column_name);
+ if (not $comment) {
+ ($comment) = try { $self->schema->storage->dbh->selectrow_array(
+ qq{SELECT column_comment
+ FROM information_schema.columns
+ WHERE table_schema = schema()
+ AND table_name = ?
+ AND column_name = ?
+ }, undef, $table, $column_name);
+ };
+ }
+ return $comment;
+}
+
=head1 SEE ALSO
L<DBIx::Class::Schema::Loader>, L<DBIx::Class::Schema::Loader::Base>,