sub _quote {
my ($self, $label) = @_;
return '' unless defined $label;
+ return $label unless $self->{quote_char};
return $self->SUPER::_quote($label);
}
+sub _RowNum {
+ my $self = shift;
+ my $c;
+ $_[0] =~ s/SELECT (.*?) FROM/
+ 'SELECT '.join(', ', map { $_.' AS col'.++$c } split(', ', $1)).' FROM'/e;
+ $self->SUPER::_RowNum(@_);
+}
+
# Accessor for setting limit dialect. This is useful
# for JDBC-bridge among others where the remote SQL-dialect cannot
# be determined by the name of the driver alone.
__PACKAGE__->load_components(qw/AccessorGroup/);
__PACKAGE__->mk_group_accessors('simple' =>
- qw/connect_info _dbh _sql_maker debug debugfh cursor on_connect_do transaction_depth/);
+ qw/connect_info _dbh _sql_maker _connection_pid debug debugfh cursor
+ on_connect_do transaction_depth/);
sub new {
my $new = bless({}, ref $_[0] || $_[0]);
sub disconnect {
my ($self) = @_;
- $self->_dbh->disconnect if $self->_dbh;
+ if( $self->connected ) {
+ $self->_dbh->rollback unless $self->_dbh->{AutoCommit};
+ $self->_dbh->disconnect;
+ $self->_dbh(undef);
+ }
}
sub connected {
sub dbh {
my ($self) = @_;
+ $self->_dbh(undef)
+ if $self->_connection_pid && $self->_connection_pid != $$;
$self->ensure_connected;
return $self->_dbh;
}
foreach my $sql_statement (@{$self->on_connect_do || []}) {
$self->_dbh->do($sql_statement);
}
+
+ $self->_connection_pid($$);
}
sub _connect {
my ($self, @info) = @_;
- return DBI->connect(@info);
+
+ if ($INC{'Apache/DBI.pm'} && $ENV{MOD_PERL}) {
+ my $old_connect_via = $DBI::connect_via;
+ $DBI::connect_via = 'connect';
+ my $dbh = DBI->connect(@info);
+ $DBI::connect_via = $old_connect_via;
+ return $dbh;
+ }
+
+ DBI->connect(@info);
}
=head2 txn_begin
my ($self, $op, $extra_bind, $ident, @args) = @_;
my ($sql, @bind) = $self->sql_maker->$op($ident, @args);
unshift(@bind, @$extra_bind) if $extra_bind;
- $self->debugfh->print("$sql: @bind\n") if $self->debug;
+ if ($self->debug) {
+ my @debug_bind = map { defined $_ ? $_ : 'NULL' } @bind;
+ $self->debugfh->print("$sql: @debug_bind\n");
+ }
my $sth = $self->sth($sql,$op);
+ croak "no sth generated via sql: $sql" unless $sth;
@bind = map { ref $_ ? ''.$_ : $_ } @bind; # stringify args
my $rv;
if ($sth) {
return \%result;
}
+sub DESTROY { shift->disconnect }
+
1;
=head1 ENVIRONMENT VARIABLES