use strict;
use warnings;
-use base qw/DBIx::Class::Storage::DBI::MSSQL/;
+use base qw/
+ DBIx::Class::Storage::DBI::ODBC
+ DBIx::Class::Storage::DBI::MSSQL
+/;
use mro 'c3';
use Scalar::Util 'reftype';
use Try::Tiny;
statement support. Each has its own advantages and drawbacks and works on
different platforms. Read each section carefully.
+For more details about using MAS in MSSQL over DBD::ODBC see this excellent
+document provided by EasySoft:
+L<http://www.easysoft.com/developer/languages/perl/multiple-active-statements.html>.
+
In order of preference, they are:
=over 8
}
if ($dsn !~ /MARS_Connection=/) {
- if ($self->using_freetds) {
+ if ($self->_using_freetds) {
$self->throw_exception('FreeTDS does not support MARS at the time of '
.'writing.');
}
sub _run_connection_actions {
my $self = shift;
+ $self->next::method (@_);
+
# keep the dynamic_cursors_support and driver-state in sync
# on every reconnect
my $use_dyncursors = ($self->_dbic_connect_attributes->{odbc_cursortype} || 0) > 1;
$self->throw_exception (
'Your drivers do not seem to support dynamic cursors (odbc_cursortype => 2).'
. (
- $self->using_freetds
+ $self->_using_freetds
? ' If you are using FreeTDS, make sure to set tds_version to 8.0 or greater.'
: ''
)
$self->_using_dynamic_cursors(1);
$self->_identity_method('@@identity');
- $self->_no_scope_identity_query($self->using_freetds);
}
else {
$self->_using_dynamic_cursors(0);
$self->_identity_method(undef);
- $self->_no_scope_identity_query(undef);
}
}
- $self->next::method (@_);
+ $self->_no_scope_identity_query($self->_using_dynamic_cursors
+ ? $self->_using_freetds
+ : undef
+ );
# freetds is too damn broken, some fixups
- if ($self->using_freetds) {
+ if ($self->_using_freetds) {
# no dynamic cursors starting from 0.83
if ($self->_using_dynamic_cursors) {
- my $fv = $self->_dbh_get_info('SQL_DRIVER_VER');
+ my $fv = $self->_using_freetds_version || 999; # assume large if can't be determined
$self->throw_exception(
'Dynamic cursors (odbc_cursortype => 2) are not supported with FreeTDS > 0.82 '
. "(you have $fv). Please hassle FreeTDS authors to fix the outstanding bugs in "
# FreeTDS is too broken wrt execute_for_fetch batching
# just disable it outright until things quiet down
- $self->_get_dbh->{odbc_disable_array_operations} = 1;
+ $self->_disable_odbc_array_ops;
}
}
$self->_get_dbh->{odbc_SQL_ROWSET_SIZE} = $sql_rowset_size;
}
-=head2 using_freetds
-
-Tries to determine, to the best of our ability, whether or not you are using the
-FreeTDS driver with L<DBD::ODBC>.
-
-=cut
-
-sub using_freetds {
- my $self = shift;
-
- my $dsn = $self->_dbi_connect_info->[0];
-
- $dsn = '' if ref $dsn eq 'CODE';
-
- return 1 if $dsn =~ /driver=FreeTDS/i
- || ($self->_dbh_get_info('SQL_DRIVER_NAME')||'') =~ /tdsodbc/i;
-
- return 0;
-}
-
1;
=head1 AUTHOR