The following features are new, compared to the 5.0 series of Connector/J
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)
When calling setTimestamp
on a prepared
statement, the timezone information stored in the calendar
object was ignored. This resulted in the incorrect
DATETIME
information being stored. The
following example illustrates this:
Timestamp t = new Timestamp( cal.getTimeInMillis() ); ps.setTimestamp( N, t, cal );
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