NAME

DBIx::Class::Storage::DBI::ADO::Microsoft_SQL_Server - Support for Microsoft SQL Server via DBD::ADO

SYNOPSIS

This subclass supports MSSQL server connections via DBD::ADO.

DESCRIPTION

The MSSQL specific functionality is provided by DBIx::Class::Storage::DBI::MSSQL.

CAVEATS

identities

_identity_method is set to @@identity, as SCOPE_IDENTITY() doesn't work with DBD::ADO. See "IMPLEMENTATION NOTES" in DBIx::Class::Storage::DBI::MSSQL for caveats regarding this.

truncation bug

There is a bug with MSSQL ADO providers where data gets truncated based on the size of the bind sizes in the first prepare call:

https://rt.cpan.org/Ticket/Display.html?id=52048

The ado_size workaround is used (see "ADO Providers" in DBD::ADO) with the approximate maximum size of the data_type of the bound column, or 8000 (maximum VARCHAR size) if the data_type is not available.

This code is incomplete and may be buggy. Particularly, VARCHAR(MAX) is not supported yet. The data_type list for other DBs is also incomplete. Please report problems (and send patches.)

AUTHOR

See "CONTRIBUTORS" in DBIx::Class.

LICENSE

You may distribute this code under the same terms as Perl itself.