Driver incorrectly closes streams passed as arguments to PreparedStatements. Reverts to legacy behavior by setting the JDBC configuration property autoClosePStmtStreams to true (also included in the 3-0-Compat configuration “bundle”). (Bug #15024)

storesMixedCaseIdentifiers() returns false (Bug #14562)

Fall back to platform-encoding for URLDecoder.decode() when parsing driver URL properties if the platform doesn't have a two-argument version of this method.

storesLowerCaseIdentifiers() returns true (Bug #14562)

Deadlock while closing server-side prepared statements from multiple threads sharing one connection. (Bug #14972)

OpenOffice expects DBMD.supportsIntegrityEnhancementFacility() to return true if foreign keys are supported by the datasource, even though this method also covers support for check constraints, which MySQL doesn't have. Setting the configuration property overrideSupportsIntegrityEnhancementFacility to true causes the driver to return true for this method. (Bug #12975)

storesMixedCaseQuotedIdentifiers() returns false (Bug #14562)

logSlowQueries should give better info. (Bug #12230)

storesMixedCaseQuotedIdentifiers() returns true (Bug #14562)

maxQuerySizeToLog is not respected. Added logging of bound values for execute() phase of server-side prepared statements when profileSQL=true as well. (Bug #13048)

Process escape tokens in Connection.prepareStatement(...). You can disable this behavior by setting the JDBC URL configuration property processEscapeCodesForPrepStmts to false. (Bug #15141)

DatabaseMetaData.getColumns() doesn't return TABLE_NAME correctly. (Bug #14815)

If lower_case_table_names=0 (on server):

(Bug #14562)

storesUpperCaseIdentifiers() returns false (Bug #14562)

storesUpperCaseQuotedIdentifiers() returns true (Bug #14562)

If lower_case_table_names=1 (on server):

(Bug #14562)

Extraneous sleep on autoReconnect. (Bug #13775)

storesLowerCaseQuotedIdentifiers() returns true (Bug #14562)

Fixed DatabaseMetaData.stores*Identifiers():

(Bug #14562)

Do not permit executeBatch() for CallableStatements with registered OUT/INOUT parameters (JDBC compliance).

Don't increase timeout for failover/reconnect. (Bug #6577)

Reconnect during middle of executeBatch() should not occur if autoReconnect is enabled. (Bug #13255)

storesMixedCaseIdentifiers() returns true (Bug #14562)

Usage advisor complains about unreferenced columns, even though they've been referenced. (Bug #15065)

storesLowerCaseQuotedIdentifiers() returns false (Bug #14562)

Java type conversion may be incorrect for MEDIUMINT. (Bug #14562)

Added com.mysql.jdbc.testsuite.url.default system property to set default JDBC url for testsuite (to speed up bug resolution when I'm working in Eclipse). (Bug #12975)

Unable to initialize character set mapping tables (due to J2EE classloader differences). (Bug #14938)

storesLowerCaseIdentifiers() returns false (Bug #14562)

Escape processor replaces quote character in quoted string with string delimiter. (Bug #14909)

Added configuration property useGmtMillisForDatetimes which when set to true causes ResultSet.getDate(), .getTimestamp() to return correct millis-since GMT when .getTime() is called on the return value (currently default is false for legacy behavior). (Bug #14562)

Fixed client-side prepared statement bug with embedded ? characters inside quoted identifiers (it was recognized as a placeholder, when it was not).