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B.8.1.4 Changes in MySQL Connector/J 5.1.4 (Not Released) »
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B.8.1.3. Changes in MySQL Connector/J 5.1.5 (09 October 2007)

The following features are new, compared to the 5.0 series of Connector/J

  • Support for JDBC-4.0 NCHAR, NVARCHAR and NCLOB types.

  • JDBC-4.0 support for setting per-connection client information (which can be viewed in the comments section of a query via SHOW PROCESSLIST on a MySQL server, or can be extended to support custom persistence of the information via a public interface).

  • Support for JDBC-4.0 XML processing via JAXP interfaces to DOM, SAX and StAX.

  • JDBC-4.0 standardized unwrapping to interfaces that include vendor extensions.

Functionality added or changed:

  • Added autoSlowLog configuration property, overrides slowQueryThreshold* properties, driver determines slow queries by those that are slower than 5 * stddev of the mean query time (outside the 96% percentile).

Bugs fixed:

  • When a connection is in read-only mode, queries that are wrapped in parentheses were incorrectly identified DML statements. (Bug#28256)