use strict;
use warnings;
+use DBD::Pg qw(:pg_types);
+
use base qw/DBIx::Class::Storage::DBI/;
# __PACKAGE__->load_components(qw/PK::Auto/);
+# Warn about problematic versions of DBD::Pg
+warn "DBD::Pg 1.49 is strongly recommended"
+ if ($DBD::Pg::VERSION < 1.49);
+
+sub _dbh_last_insert_id {
+ my ($self, $dbh, $seq) = @_;
+ $dbh->last_insert_id(undef, undef, undef, undef, {sequence => $seq});
+}
+
sub last_insert_id {
- my ($self, $source) = @_;
- $self->get_autoinc_seq($source) unless $source->{_autoinc_seq};
- $self->_dbh->last_insert_id(undef,undef,undef,undef,
- {sequence => $source->{_autoinc_seq}});
+ my ($self,$source,$col) = @_;
+ my $seq = ($source->column_info($col)->{sequence} ||= $self->get_autoinc_seq($source,$col));
+ $self->throw_exception("could not fetch primary key for " . $source->name . ", could not "
+ . "get autoinc sequence for $col (check that table and column specifications are correct "
+ . "and in the correct case)") unless defined $seq;
+ $self->dbh_do('_dbh_last_insert_id', $seq);
}
-sub get_autoinc_seq {
- my ($self,$source) = @_;
-
- # return the user-defined sequence if known
- my $result_class = $source->result_class;
- if ($result_class->can('sequence') and $result_class->sequence) {
- return ($source->{_autoinc_seq} = $result_class->sequence);
+sub _dbh_get_autoinc_seq {
+ my ($self, $dbh, $schema, $table, @pri) = @_;
+
+ while (my $col = shift @pri) {
+ my $info = $dbh->column_info(undef,$schema,$table,$col)->fetchrow_hashref;
+ if(defined $info->{COLUMN_DEF} and
+ $info->{COLUMN_DEF} =~ /^nextval\(+'([^']+)'::(?:text|regclass)\)/) {
+ my $seq = $1;
+ # may need to strip quotes -- see if this works
+ return $seq =~ /\./ ? $seq : $info->{TABLE_SCHEM} . "." . $seq;
+ }
}
-
+ return;
+}
+
+sub get_autoinc_seq {
+ my ($self,$source,$col) = @_;
+
my @pri = $source->primary_columns;
- my $dbh = $self->_dbh;
my ($schema,$table) = $source->name =~ /^(.+)\.(.+)$/ ? ($1,$2)
: (undef,$source->name);
- while (my $col = shift @pri) {
- my $info = $dbh->column_info(undef,$schema,$table,$col)->fetchrow_arrayref;
- if (defined $info->[12] and $info->[12] =~
- /^nextval\('"?([^"']+)"?'::(?:text|regclass)\)/)
- {
- warn "setting autoinc_seq on $source to $1";
- $source->{_autoinc_seq} = $1;
- last;
- }
+
+ $self->dbh_do('_dbh_get_autoinc_seq', $schema, $table, @pri);
+}
+
+sub sqlt_type {
+ return 'PostgreSQL';
+}
+
+sub datetime_parser_type { return "DateTime::Format::Pg"; }
+
+sub bind_attribute_by_data_type {
+ my ($self,$data_type) = @_;
+
+ my $bind_attributes = {
+ bytea => { pg_type => DBD::Pg::PG_BYTEA },
+ };
+
+ if( defined $bind_attributes->{$data_type} ) {
+ return $bind_attributes->{$data_type};
+ }
+ else {
+ return;
}
}
+sub _sequence_fetch {
+ my ( $self, $type, $seq ) = @_;
+ my ($id) = $self->dbh->selectrow_array("SELECT nextval('${seq}')");
+ return $id;
+}
+
+sub _svp_begin {
+ my ($self, $name) = @_;
+
+ $self->dbh->pg_savepoint($name);
+}
+
+sub _svp_release {
+ my ($self, $name) = @_;
+
+ $self->dbh->pg_release($name);
+}
+
+sub _svp_rollback {
+ my ($self, $name) = @_;
+
+ $self->dbh->pg_rollback_to($name);
+}
+
1;
-=head1 NAME
+=head1 NAME
DBIx::Class::Storage::DBI::Pg - Automatic primary key class for PostgreSQL