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Hi,
MySQL Connector/J 3.1.3, a new version of the Type-IV all-Java JDBC driver for MySQL has been released.
Version 3.1.3 is the first BETA release of the 3.1 series that is suitable for use with either MySQL-4.1 or MySQL-5.0 (and is required when using server-side prepared statements on MySQL-4.1.2 or newer).
It is now available in source and binary form from the Connector/J download pages at http://dev.mysql.com/downloads/connector/j/3.1.html as well as mirror sites (note that not all mirror sites may be up to date at this point of time - if you can't find this version on some mirror, please try again later or choose another download site.)
Please note that currently server-side prepared statements are automatically disabled in this release when the driver is connecting to MySQL-5.0.0 or MySQL-5.0.1, as the current prepared statement code from the 4.1 branch (which contains network protocol-level changes) has yet to be merged into the 5.0 source tree.
The focus of the next few releases of Connector/J 3.1 is on code cleanup and performance improvements (although micro-performance benchmarks are looking pretty good right now, approx 25-30% faster than the 3.0 series due mostly to shortening call stack length and some optimizations in re-using expensive to allocate objects).
Have fun with this release!
Please take the time to file any bugs you might encounter (hopefully none!) at http://bugs.mysql.com/ ... We're particularly interested in any issues you might have with this release and MySQL-4.1.3 with respect to server-side prepared statements.
Regards,
-Mark
~From the changelog:
07-07-04 - Version 3.1.3-beta
- - Mangle output parameter names for CallableStatements so they will not clash with user variable names.
- - Added support for INOUT parameters in CallableStatements.
- - Fix for BUG#4119, null bitmask sent for server-side prepared statements was incorrect.
- - Use SQL Standard SQL states by default, unless 'useSqlStateCodes' property is set to 'false'.
- - Added packet debuging code (see the 'enablePacketDebug' property documentation).
- - Added constants for MySQL error numbers (publicly-accessible, see com.mysql.jdbc.MysqlErrorNumbers), and the ability to generate the mappings of vendor error codes to SQLStates that the driver uses (for documentation purposes).
- - Externalized more messages (on-going effort).
- - Fix for BUG#4311 - Error in retrieval of mediumint column with prepared statements and binary protocol.
- - Support new timezone variables in MySQL-4.1.3 when 'useTimezone=true'
- - Support for unsigned numerics as return types from prepared statements.
This also causes a change in ResultSet.getObject() for the 'bigint unsigned' type, which used to return BigDecimal instances, it now returns instances of java.lang.BigInteger. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (MingW32) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org
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