[odb-announcements] ODB 1.8.0 released

[Boris Kolpackov]

Hi,

We have released ODB 1.8.0. The NEWS file entries for this release are
as follows:

  * Support for the Microsoft SQL Server database. The provided connection
    factories include 'new' (a new connection is created every time one is
    requested) and 'pool' (a pool of connections is maintained). The Boost
    and Qt profiles have been updated to support this database. For more
    information, refer to Chapter 17, "Microsoft SQL Server Database" in
    the ODB manual.

    Note that with the release of SQL Server Native Client ODBC driver for
    Linux it is possible to access an SQL Server database from the GNU/Linux
    operating systems. The SQL Server ODB runtime has been tested and is
    fully supported on both Windows and GNU/Linux. However, we have found
    that the unixODBC 2.3.0 driver manager that is recommended in the Native
    Client documentation does not work well, especially in multithreaded
    applications. The recently released unixODBC 2.3.1 addressed this issue
    and we recommend that you use this version with ODB. For more information,
    refer to this blog post:

    http://www.codesynthesis.com/~boris/blog/2011/12/02/microsoft-sql-server-odbc-driver-linux/

    Note also that similar to Oracle, the SQL Server runtime (libodb-mssql)
    is licensed under a different license compared to the open source
    database runtimes. For more information, refer to the ODB License page:

    http://www.codesynthesis.com/products/odb/license.xhtml

  * Support for defining composite value types as C++ class template
    instantiations. For more information, refer to Section 7.2, "Composite
    Value Types" in the ODB manual as well as the 'composite' example in the
    odb-examples package.

  * Support for database schemas ("database namespaces"). A schema can be
    specified for a persistent class, for a C++ namespace (the schema then
    applies to all the persistent classes within this namespace), and for a
    file with the --schema ODB compiler option. For more information, refer
    to Section 12.1.8, "schema" in the ODB manual.

  * The --default-schema option has been renamed to --schema-name.

  * The default Oracle mapping for std::string has changed from VARCHAR2(4000)
    to VARCHAR2(512).

Source code and pre-compiled binary packages for this release are available
from the ODB download page:

http://www.codesynthesis.com/products/odb/download.xhtml

SHA1 checksums for the files in this release are as follows:

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Enjoy,
	Boris