X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FStorage%2FDBI%2FSybase%2FMicrosoft_SQL_Server.pm;h=3d8302015910f6c37e4f94cfff3fb2e2bea280fc;hb=d867eedaa703200d7f0bc329836e99b6bd22bc39;hp=e6809ec0e86d5e98e1c5779b5589195f5cb06300;hpb=eabab5d0d07817310c72a6851d01283a62c9f4de;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Storage/DBI/Sybase/Microsoft_SQL_Server.pm b/lib/DBIx/Class/Storage/DBI/Sybase/Microsoft_SQL_Server.pm index e6809ec..3d83020 100644 --- a/lib/DBIx/Class/Storage/DBI/Sybase/Microsoft_SQL_Server.pm +++ b/lib/DBIx/Class/Storage/DBI/Sybase/Microsoft_SQL_Server.pm @@ -2,37 +2,57 @@ package DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server; use strict; use warnings; -use mro 'c3'; + use base qw/ - DBIx::Class::Storage::DBI::Sybase::Base - DBIx::Class::Storage::DBI::ODBC::Microsoft_SQL_Server + DBIx::Class::Storage::DBI::Sybase::Common + DBIx::Class::Storage::DBI::MSSQL /; +use mro 'c3'; + +sub _rebless { + my $self = shift; + my $dbh = $self->_get_dbh; + + if (not $self->_typeless_placeholders_supported) { + bless $self, + 'DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server::NoBindVars'; + $self->_rebless; + } +} + +sub _init { + my $self = shift; + + # LongReadLen doesn't work with MSSQL through DBD::Sybase, and the default is + # huge on some versions of SQL server and can cause memory problems, so we + # fix it up here (see Sybase/Common.pm) + $self->set_textsize; +} 1; =head1 NAME -DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server - Storage::DBI subclass for MSSQL via -DBD::Sybase +DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server - Support for Microsoft +SQL Server via DBD::Sybase =head1 SYNOPSIS This subclass supports MSSQL server connections via L. -=head1 CAVEATS - -This storage driver uses L as a base. -This means that bind variables will be interpolated (properly quoted of course) -into the SQL query itself, without using bind placeholders. +=head1 DESCRIPTION -More importantly this means that caching of prepared statements is explicitly -disabled, as the interpolation renders it useless. +This driver tries to determine whether your version of L and +supporting libraries (usually FreeTDS) support using placeholders, if not the +storage will be reblessed to +L. -=head1 AUTHORS +The MSSQL specific functionality is provided by +L. -Brandon L Black +=head1 AUTHOR -Justin Hunter +See L. =head1 LICENSE