=head1 NAME
-DBIx::Class::Storage::DBI::Oracle - Automatic primary key class for Oracle
+DBIx::Class::Storage::DBI::Oracle::Generic - Automatic primary key class for Oracle
=head1 SYNOPSIS
# In your table classes
__PACKAGE__->load_components(qw/PK::Auto Core/);
+ __PACKAGE__->add_columns({ id => { sequence => 'mysequence', auto_nextval => 1 } });
__PACKAGE__->set_primary_key('id');
__PACKAGE__->sequence('mysequence');
# __PACKAGE__->load_components(qw/PK::Auto/);
sub _dbh_last_insert_id {
- my ($self, $dbh, $source, $col) = @_;
- my $seq = ($source->column_info($col)->{sequence} ||= $self->get_autoinc_seq($source,$col));
- my $sql = 'SELECT ' . $seq . '.currval FROM DUAL';
- my ($id) = $dbh->selectrow_array($sql);
- return $id;
+ my ($self, $dbh, $source, @columns) = @_;
+ my @ids = ();
+ foreach my $col (@columns) {
+ my $seq = ($source->column_info($col)->{sequence} ||= $self->get_autoinc_seq($source,$col));
+ my $id = $self->_sequence_fetch( 'currval', $seq );
+ push @ids, $id;
+ }
+ return @ids;
}
sub _dbh_get_autoinc_seq {
# trigger_body is a LONG
$dbh->{LongReadLen} = 64 * 1024 if ($dbh->{LongReadLen} < 64 * 1024);
- my $sth = $dbh->prepare($sql);
- $sth->execute( uc($source->name) );
+ my $sth;
+
+ # check for fully-qualified name (eg. SCHEMA.TABLENAME)
+ if ( my ( $schema, $table ) = $source->name =~ /(\w+)\.(\w+)/ ) {
+ $sql = q{
+ SELECT trigger_body FROM ALL_TRIGGERS t
+ WHERE t.owner = ? AND t.table_name = ?
+ AND t.triggering_event = 'INSERT'
+ AND t.status = 'ENABLED'
+ };
+ $sth = $dbh->prepare($sql);
+ $sth->execute( uc($schema), uc($table) );
+ }
+ else {
+ $sth = $dbh->prepare($sql);
+ $sth->execute( uc( $source->name ) );
+ }
while (my ($insert_trigger) = $sth->fetchrow_array) {
return uc($1) if $insert_trigger =~ m!(\w+)\.nextval!i; # col name goes here???
}
$self->throw_exception("Unable to find a sequence INSERT trigger on table '" . $source->name . "'.");
}
+sub _sequence_fetch {
+ my ( $self, $type, $seq ) = @_;
+ my ($id) = $self->dbh->selectrow_array("SELECT ${seq}.${type} FROM DUAL");
+ return $id;
+}
+
+sub _dbh_execute {
+ my $self = shift;
+ my ($dbh, $op, $extra_bind, $ident, $bind_attributes, @args) = @_;
+
+ my $wantarray = wantarray;
+ my @res;
+ my $exception;
+
+ my $try = 2;
+
+ while ($try--) {
+ eval {
+ if ($wantarray) {
+ @res = $self->SUPER::_dbh_execute(@_);
+ } else {
+ $res[0] = $self->SUPER::_dbh_execute(@_);
+ }
+ };
+ $exception = $@;
+ if ($exception =~ /ORA-(?:00028|01012)/) {
+# ORA-00028: your session has been killed
+# ORA-01012: not logged on
+ $self->disconnect;
+
+ $self->throw_exception($exception) if $self->{_in_dbh_do};
+ $self->throw_exception($exception) if $self->transaction_depth;
+
+ $self->ensure_connected;
+ } elsif ($exception =~ /ORA-01003/) { # invalid cursor
+# ORA-01003: no statement parsed (someone renamed a column or something,
+# invalidating your cursor.)
+ my ($sql, $bind) = $self->_prep_for_execute($op, $extra_bind, $ident, \@args);
+ delete $dbh->{CachedKids}{$sql};
+ } else {
+ last;
+ }
+ }
+
+ $self->throw_exception($exception) if $exception;
+
+ wantarray ? @res : $res[0]
+}
+
=head2 get_autoinc_seq
Returns the sequence name for an autoincrement column
sub get_autoinc_seq {
my ($self, $source, $col) = @_;
- $self->dbh_do($self->can('_dbh_get_autoinc_seq'), $source, $col);
+ $self->dbh_do('_dbh_get_autoinc_seq', $source, $col);
}
=head2 columns_info_for
sub datetime_parser_type { return "DateTime::Format::Oracle"; }
+sub _svp_begin {
+ my ($self, $name) = @_;
+
+ $self->dbh->do("SAVEPOINT $name");
+}
+
+# Oracle automatically releases a savepoint when you start another one with the
+# same name.
+sub _svp_release { 1 }
+
+sub _svp_rollback {
+ my ($self, $name) = @_;
+
+ $self->dbh->do("ROLLBACK TO SAVEPOINT $name")
+}
+
=head1 AUTHORS
Andy Grundman <andy@hybridized.org>