/;
use mro 'c3';
+use DBIx::Class::Carp;
+
+=head1 NAME
+
+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<DBD::Sybase>.
+
+=head1 DESCRIPTION
+
+This driver tries to determine whether your version of L<DBD::Sybase> and
+supporting libraries (usually FreeTDS) support using placeholders, if not the
+storage will be reblessed to
+L<DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server::NoBindVars>.
+
+The MSSQL specific functionality is provided by
+L<DBIx::Class::Storage::DBI::MSSQL>.
+
+=head1 METHODS
+
+=cut
+
+__PACKAGE__->datetime_parser_type(
+ 'DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server::DateTime::Format'
+);
+
sub _rebless {
my $self = shift;
my $dbh = $self->_get_dbh;
return if ref $self ne __PACKAGE__;
+ if (not $self->_use_typeless_placeholders) {
+ carp_once <<'EOF' unless $ENV{DBIC_MSSQL_FREETDS_LOWVER_NOWARN};
+Placeholders do not seem to be supported in your configuration of
+DBD::Sybase/FreeTDS.
- if (not $self->_typeless_placeholders_supported) {
+This means you are taking a large performance hit, as caching of prepared
+statements is disabled.
+
+Make sure to configure your server with "tds version" of 8.0 or 7.0 in
+/etc/freetds/freetds.conf .
+
+To turn off this warning, set the DBIC_MSSQL_FREETDS_LOWVER_NOWARN environment
+variable.
+EOF
require
DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server::NoBindVars;
bless $self,
}
}
-sub _run_connection_actions {
- 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 ::DBI::Sybase.pm)
- $self->set_textsize;
+# invoked only if DBD::Sybase is compiled against FreeTDS
+sub _set_autocommit_stmt {
+ my ($self, $on) = @_;
- $self->next::method(@_);
+ return 'SET IMPLICIT_TRANSACTIONS ' . ($on ? 'OFF' : 'ON');
}
-sub _dbh_begin_work {
+sub _get_server_version {
my $self = shift;
- $self->_get_dbh->do('BEGIN TRAN');
-}
+ my $product_version = $self->_get_dbh->selectrow_hashref('master.dbo.xp_msver ProductVersion');
-sub _dbh_commit {
- my $self = shift;
- my $dbh = $self->_dbh
- or $self->throw_exception('cannot COMMIT on a disconnected handle');
- $dbh->do('COMMIT');
+ if ((my $version = $product_version->{Character_Value}) =~ /^(\d+)\./) {
+ return $version;
+ }
+ else {
+ $self->throw_exception(
+ "MSSQL Version Retrieval Failed, Your ProductVersion's Character_Value is missing or malformed!"
+ );
+ }
}
-sub _dbh_rollback {
- my $self = shift;
- my $dbh = $self->_dbh
- or $self->throw_exception('cannot ROLLBACK on a disconnected handle');
- $dbh->do('ROLLBACK');
-}
+=head2 connect_call_datetime_setup
-sub _populate_server_info {
- my $self = shift;
+Used as:
- my $info = $self->next::method(@_);
+ on_connect_call => 'datetime_setup'
- my $product_version = $self->_get_dbh->selectrow_hashref('xp_msver ProductVersion');
+In L<connect_info|DBIx::Class::Storage::DBI/connect_info> to set:
- if ((my $version = $data->{Character_Value}) =~ /^(\d+)\./) {
- $info->{dbms_ver} = $version;
- } else {
- $self->throw_exception(q{
-MSSQL Version Retrieval Failed, Your ProductVersion's Character_Value is missing
-or malformed!
- });
- }
+ $dbh->syb_date_fmt('ISO_strict'); # output fmt: 2004-08-21T14:36:48.080Z
- return $info;
-}
+On connection for use with L<DBIx::Class::InflateColumn::DateTime>
-1;
+This works for both C<DATETIME> and C<SMALLDATETIME> columns, although
+C<SMALLDATETIME> columns only have minute precision.
-=head1 NAME
+=cut
-DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server - Support for Microsoft
-SQL Server via DBD::Sybase
+sub connect_call_datetime_setup {
+ my $self = shift;
+ my $dbh = $self->_get_dbh;
-=head1 SYNOPSIS
+ if ($dbh->can('syb_date_fmt')) {
+ # amazingly, this works with FreeTDS
+ $dbh->syb_date_fmt('ISO_strict');
+ }
+ else{
+ carp_once
+ 'Your DBD::Sybase is too old to support '
+ . 'DBIx::Class::InflateColumn::DateTime, please upgrade!';
+ }
+}
-This subclass supports MSSQL server connections via L<DBD::Sybase>.
-=head1 DESCRIPTION
+package # hide from PAUSE
+ DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server::DateTime::Format;
-This driver tries to determine whether your version of L<DBD::Sybase> and
-supporting libraries (usually FreeTDS) support using placeholders, if not the
-storage will be reblessed to
-L<DBIx::Class::Storage::DBI::Sybase::Microsoft_SQL_Server::NoBindVars>.
+my $datetime_parse_format = '%Y-%m-%dT%H:%M:%S.%3NZ';
+my $datetime_format_format = '%Y-%m-%d %H:%M:%S.%3N'; # %F %T
-The MSSQL specific functionality is provided by
-L<DBIx::Class::Storage::DBI::MSSQL>.
+my ($datetime_parser, $datetime_formatter);
+
+sub parse_datetime {
+ shift;
+ require DateTime::Format::Strptime;
+ $datetime_parser ||= DateTime::Format::Strptime->new(
+ pattern => $datetime_parse_format,
+ on_error => 'croak',
+ );
+ return $datetime_parser->parse_datetime(shift);
+}
+
+sub format_datetime {
+ shift;
+ require DateTime::Format::Strptime;
+ $datetime_formatter ||= DateTime::Format::Strptime->new(
+ pattern => $datetime_format_format,
+ on_error => 'croak',
+ );
+ return $datetime_formatter->format_datetime(shift);
+}
+
+1;
=head1 AUTHOR
projects / dbsrgits/DBIx-Class.git / blobdiff