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C.5.3.14 Changes in MySQL Connector/J 3.1.2-alpha (09 June 2004) »
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C.5.3.13. Changes in MySQL Connector/J 3.1.3-beta (07 July 2004)

  • Mangle output parameter names for CallableStatements so they will not clash with user variable names.

  • Added support for INOUT parameters in CallableStatements.

  • Null bitmask sent for server-side prepared statements was incorrect. (Bug#4119)

  • 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).

  • Error in retrieval of mediumint column with prepared statements and binary protocol. (Bug#4311)

  • Support new time zone 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.