use strict;
use warnings;
use Try::Tiny;
+use namespace::clean;
use base qw/DBIx::Class::Storage::DBI/;
try {
$dbtype = @{$self->_get_dbh->selectrow_arrayref(qq{sp_server_info \@attribute_id=1})}[2]
} catch {
- $self->throw_exception("Unable to estable connection to determine database type: $_")
+ $self->throw_exception("Unable to establish connection to determine database type: $_")
};
if ($dbtype) {
}
}
+sub _init {
+ # once the driver is determined see if we need to insert the DBD::Sybase w/ FreeTDS fixups
+ # this is a dirty version of "instance role application", \o/ DO WANT Moo \o/
+ my $self = shift;
+ if (! $self->isa('DBIx::Class::Storage::DBI::Sybase::FreeTDS') and $self->_using_freetds) {
+ require DBIx::Class::Storage::DBI::Sybase::FreeTDS;
+
+ my @isa = @{mro::get_linear_isa(ref $self)};
+ my $class = shift @isa; # this is our current ref
+
+ my $trait_class = $class . '::FreeTDS';
+ mro::set_mro ($trait_class, 'c3');
+ no strict 'refs';
+ @{"${trait_class}::ISA"} = ($class, 'DBIx::Class::Storage::DBI::Sybase::FreeTDS', @isa);
+
+ bless ($self, $trait_class);
+
+ Class::C3->reinitialize() if DBIx::Class::_ENV_::OLD_MRO;
+
+ $self->_init(@_);
+ }
+
+ $self->next::method(@_);
+}
+
sub _ping {
my $self = shift;
local $dbh->{RaiseError} = 1;
local $dbh->{PrintError} = 0;
+# FIXME if the main connection goes stale, does opening another for this statement
+# really determine anything?
+
if ($dbh->{syb_no_child_con}) {
-# if extra connections are not allowed, then ->ping is reliable
- return try { $dbh->ping } catch { 0; };
+ return try {
+ $self->_connect->do('select 1');
+ 1;
+ }
+ catch {
+ 0;
+ };
}
return try {
-# XXX if the main connection goes stale, does opening another for this statement
-# really determine anything?
$dbh->do('select 1');
1;
- } catch {
+ }
+ catch {
0;
};
}
}
}
-=head2 using_freetds
-
-Whether or not L<DBD::Sybase> was compiled against FreeTDS. If false, it means
-the Sybase OpenClient libraries were used.
-
-=cut
-
-sub using_freetds {
+# Whether or not DBD::Sybase was compiled against FreeTDS. If false, it means
+# the Sybase OpenClient libraries were used.
+sub _using_freetds {
my $self = shift;
-
- return $self->_get_dbh->{syb_oc_version} =~ /freetds/i;
+ return ($self->_get_dbh->{syb_oc_version}||'') =~ /freetds/i;
}
-=head2 set_textsize
-
-When using FreeTDS and/or MSSQL, C<< $dbh->{LongReadLen} >> is not available,
-use this function instead. It does:
-
- $dbh->do("SET TEXTSIZE $bytes");
-
-Takes the number of bytes, or uses the C<LongReadLen> value from your
-L<connect_info|DBIx::Class::Storage::DBI/connect_info> if omitted, lastly falls
-back to the C<32768> which is the L<DBD::Sybase> default.
-
-=cut
-
-sub set_textsize {
- my $self = shift;
- my $text_size =
- shift
- ||
- try { $self->_dbi_connect_info->[-1]->{LongReadLen} }
- ||
- 32768; # the DBD::Sybase default
-
- return unless defined $text_size;
-
- $self->_dbh->do("SET TEXTSIZE $text_size");
+# Either returns the FreeTDS version against which DBD::Sybase was compiled,
+# 0 if can't be determined, or undef otherwise
+sub _using_freetds_version {
+ my $inf = shift->_get_dbh->{syb_oc_version};
+ return undef unless ($inf||'') =~ /freetds/i;
+ return $inf =~ /v([0-9\.]+)/ ? $1 : 0;
}
1;