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MySQL Connector/C++ Release Notes  /  Changes in MySQL Connector/C++ 1.1  /  Changes in MySQL Connector/C++ 1.1.0 (2010-09-13, General Availability)

Changes in MySQL Connector/C++ 1.1.0 (2010-09-13, General Availability)

This fixes bugs since the first GA release 1.0.5 and introduces new features.

Functionality Added or Changed

  • Incompatible Change: API incompatible change: ConnectPropertyVal is no longer a struct by a typedef that uses boost::variant. Code such as:

    sql::ConnectPropertyVal tmp;
    connection_properties["password"] = tmp;

    Should be changed to:

    connection_properties["password"] = sql::ConnectPropertyVal(passwd);
  • Instances of std::auto_ptr have been changed to boost::scoped_ptr. Scoped array instances now use boost::scoped_array. Further, boost::shared_ptr and boost::weak_ptr are now used for guarding access around result sets.

  • LDFLAGS, CXXFLAGS and CPPFLAGS are now checked from the environment for every binary generated.

  • The connection map property OPT_RECONNECT was changed to be of type boolean from long long.

  • get_driver_instance() is now only available in dynamic library builds; static builds do not have this symbol. This was done to accommodate loading the DLL with LoadLibrary or dlopen. If you do not use CMake for building the source code you will need to define mysqlcppconn_EXPORTS if you are loading dynamically and want to use the get_driver_instance() entry point.

  • Connection::getClientOption(const sql::SQLString & optionName, void * optionValue) now accepts the optionName values metadataUseInfoSchema, defaultStatementResultType, defaultPreparedStatementResultType, and characterSetResults. In the previous version only metadataUseInfoSchema was permitted. The same options are available for Connection::setClientOption().

Bugs Fixed

  • Certain header files were incorrectly present in the source distribution. The fix excludes dynamically generated and platform specific header files from source packages generated using CPack. (Bug #45846)

  • CMake generated an error if configuring an out of source build, that is, when CMake was not called from the source root directory. (Bug #45843)

  • Using Prepared Statements caused corruption of the heap. (Bug #45048)

  • Missing includes when using GCC 4.4. Note that GCC 4.4 is not yet in use for any official Connector/C++ builds. (Bug #44931)

  • A bug was fixed in Prepared Statements. The bug occurred when a stored procedure was prepared without any parameters. This led to an exception. (Bug #44931)

  • Fixed a Prepared Statements performance issue. Reading large result sets was slow.

  • Fixed bug in ResultSetMetaData for statements and prepared statements, getScale and getPrecision returned incorrect results.