use strict;
use warnings;
-use base qw/DBIx::Class::Schema::Loader::Base Class::Accessor::Fast/;
+use base qw/DBIx::Class::Schema::Loader::Base/;
use Class::C3;
-use Carp;
+use Carp::Clan qw/^DBIx::Class/;
use UNIVERSAL::require;
+our $VERSION = '0.04999_06';
+
=head1 NAME
DBIx::Class::Schema::Loader::DBI - DBIx::Class::Schema::Loader DBI Implementation.
my $subclass = 'DBIx::Class::Schema::Loader::DBI::' . $driver;
$subclass->require;
if($@ && $@ !~ /^Can't locate /) {
- die "Failed to require $subclass: $@";
+ croak "Failed to require $subclass: $@";
}
elsif(!$@) {
- bless $self, "DBIx::Class::Schema::Loader::DBI::${driver}";
+ bless $self, $subclass unless $self->isa($subclass);
}
# Set up the default quoting character and name seperators
return @tables;
}
+=head2 load
+
+We override L<DBIx::Class::Schema::Loader::Base/load> here to hook in our localized settings for C<$dbh> error handling.
+
+=cut
+
+sub load {
+ my $self = shift;
+
+ local $self->schema->storage->dbh->{RaiseError} = 1;
+ local $self->schema->storage->dbh->{PrintError} = 0;
+ $self->next::method(@_);
+}
+
# Returns an arrayref of column names
sub _table_columns {
my ($self, $table) = @_;
$table = $self->{db_schema} . $self->{_namesep} . $table;
}
- my $sth = $dbh->prepare("SELECT * FROM $table WHERE 1=0");
+ my $sth = $dbh->prepare($self->schema->storage->sql_maker->select($table, undef, \'1 = 0'));
$sth->execute;
- return \@{$sth->{NAME_lc}};
+ my $retval = \@{$sth->{NAME_lc}};
+ $sth->finish;
+
+ $retval;
}
# Returns arrayref of pk col names
sub _table_pk_info {
- my ( $self, $table ) = @_;
+ my ($self, $table) = @_;
my $dbh = $self->schema->storage->dbh;
return \@primary;
}
-# Override this for uniq info
+# Override this for vendor-specific uniq info
sub _table_uniq_info {
- warn "No UNIQUE information can be gathered for this vendor";
- return [];
+ my ($self, $table) = @_;
+
+ my $dbh = $self->schema->storage->dbh;
+ if(!$dbh->can('statistics_info')) {
+ warn "No UNIQUE constraint information can be gathered for this vendor";
+ return [];
+ }
+
+ my %indices;
+ my $sth = $dbh->statistics_info(undef, $self->db_schema, $table, 1, 1);
+ while(my $row = $sth->fetchrow_hashref) {
+ # skip table-level stats, conditional indexes, and any index missing
+ # critical fields
+ next if $row->{TYPE} eq 'table'
+ || defined $row->{FILTER_CONDITION}
+ || !$row->{INDEX_NAME}
+ || !defined $row->{ORDINAL_POSITION}
+ || !$row->{COLUMN_NAME};
+
+ $indices{$row->{INDEX_NAME}}->{$row->{ORDINAL_POSITION}} = $row->{COLUMN_NAME};
+ }
+ $sth->finish;
+
+ my @retval;
+ foreach my $index_name (keys %indices) {
+ my $index = $indices{$index_name};
+ push(@retval, [ $index_name => [
+ map { $index->{$_} }
+ sort keys %$index
+ ]]);
+ }
+
+ return \@retval;
}
# Find relationships
my ($self, $table) = @_;
my $dbh = $self->schema->storage->dbh;
- my $sth = $dbh->foreign_key_info( '', '', '', '',
- $self->db_schema, $table );
+ my $sth = $dbh->foreign_key_info( '', $self->db_schema, '',
+ '', $self->db_schema, $table );
return [] if !$sth;
my %rels;
$rels{$relid}->{tbl} = $uk_tbl;
$rels{$relid}->{cols}->{$uk_col} = $fk_col;
}
+ $sth->finish;
my @rels;
foreach my $relid (keys %rels) {
return \@rels;
}
+# ported in from DBIx::Class::Storage::DBI:
+sub _columns_info_for {
+ my ($self, $table) = @_;
+
+ my $dbh = $self->schema->storage->dbh;
+
+ if ($dbh->can('column_info')) {
+ my %result;
+ eval {
+ my $sth = $dbh->column_info( undef, $self->db_schema, $table, '%' );
+ while ( my $info = $sth->fetchrow_hashref() ){
+ my %column_info;
+ $column_info{data_type} = $info->{TYPE_NAME};
+ $column_info{size} = $info->{COLUMN_SIZE};
+ $column_info{is_nullable} = $info->{NULLABLE} ? 1 : 0;
+ $column_info{default_value} = $info->{COLUMN_DEF};
+ my $col_name = $info->{COLUMN_NAME};
+ $col_name =~ s/^\"(.*)\"$/$1/;
+
+ my $extra_info = $self->_extra_column_info($info) || {};
+
+ $result{$col_name} = { %column_info, %$extra_info };
+ }
+ $sth->finish;
+ };
+ return \%result if !$@ && scalar keys %result;
+ }
+
+ if($self->db_schema) {
+ $table = $self->db_schema . $self->{_namesep} . $table;
+ }
+ my %result;
+ my $sth = $dbh->prepare($self->schema->storage->sql_maker->select($table, undef, \'1 = 0'));
+ $sth->execute;
+ my @columns = @{$sth->{NAME_lc}};
+ for my $i ( 0 .. $#columns ){
+ my %column_info;
+ $column_info{data_type} = $sth->{TYPE}->[$i];
+ $column_info{size} = $sth->{PRECISION}->[$i];
+ $column_info{is_nullable} = $sth->{NULLABLE}->[$i] ? 1 : 0;
+
+ if ($column_info{data_type} =~ m/^(.*?)\((.*?)\)$/) {
+ $column_info{data_type} = $1;
+ $column_info{size} = $2;
+ }
+
+ my $extra_info = $self->_extra_column_info($table, $columns[$i], $sth, $i) || {};
+
+ $result{$columns[$i]} = { %column_info, %$extra_info };
+ }
+ $sth->finish;
+
+ foreach my $col (keys %result) {
+ my $colinfo = $result{$col};
+ my $type_num = $colinfo->{data_type};
+ my $type_name;
+ if(defined $type_num && $dbh->can('type_info')) {
+ my $type_info = $dbh->type_info($type_num);
+ $type_name = $type_info->{TYPE_NAME} if $type_info;
+ $colinfo->{data_type} = $type_name if $type_name;
+ }
+ }
+
+ return \%result;
+}
+
+# Override this in vendor class to return any additional column
+# attributes
+sub _extra_column_info {}
+
=head1 SEE ALSO
L<DBIx::Class::Schema::Loader>
projects / dbsrgits/DBIx-Class-Schema-Loader.git / blobdiff