MySQL Connector/ODBC 5.3.11 has been released
- Date: Mon, 30 Jul 2018 20:46:52 +0200
- From: Kent Boortz <kent.boortz@xxxxxxxxxx>
- Subject: MySQL Connector/ODBC 5.3.11 has been released
Dear MySQL users,
MySQL Connector/ODBC 5.3.11, a new version of the ODBC driver for the
MySQL database management system, has been released.
The available downloads include both a Unicode driver and an ANSI
driver based on the same modern codebase. Please select the driver
type you need based on the type of your application - Unicode or ANSI.
Server-side prepared statements are enabled by default. It is suitable
for use with any MySQL version from 5.5.
This is the fifth release of the MySQL ODBC driver conforming to the
ODBC 3.8 specification. It contains implementations of key 3.8
features, including self-identification as a ODBC 3.8 driver,
streaming of output parameters (supported for binary types only), and
support of the SQL_ATTR_RESET_CONNECTION connection attribute (for the
Unicode driver only).
The release is now available in source and binary form for a number of
platforms from our download pages at
For information on installing, please see the documentation at
Changes in MySQL Connector/ODBC 5.3.11 (2018-07-30, General Availability)
Functionality Added or Changed
* Based on MySQL Client library 5.7.23 it has the support for the
new caching_sha2_password authentication method, which allows
connecting to MySQL Server 8.0.
* The Unicode version now uses the UTF8MB4 character set as
a transport character set between the MySQL server and
the ODBC driver. Because text conversions requested by
the ODBC user with the CHARSET connection option are done
inside the ODBC Driver after the data is received from
the server, it now converts text data as UTF8MB4 to
USER_CHARSET instead of UTF8 to USER_CHARSET.
* Connections to MySQL Server 8.0 could yield "Source
character set not supported by client" errors during
sorting and case-sensitive operations. Now known UTF8MB4
collations are used for these operations, such as
utf8mb4_general_ci (known to libmysqlclient 5.7) instead
of utf8mb4_tolower_ci. (Bug #28116892, Bug #90984)
* MySQL Server 8.0 connections could fail with unsupported
character sets and collations as utf8mb4_xxxxxx
collations reported by MySQL Server 8.0 with numbers
greater than 250 were unknown to libmysqlclient 5.7.
Because collations affect sorting but not the data
conversion, they can be substituted with known collations
such as utf8mb4_general_ci (45).
(Bug #28116892, Bug #90984)
* Connector/ODBC is now built with MySQL client library
5.7.23, and commercial builds also use an updated OpenSSL
version (v1.0.2o). Issues fixed in the new OpenSSL
version are described at
* Reported errors that occurred while executing multiple
statements with a single query were generic and without
context. For example, SQLMoreResults might return
"unhandled error from mysql_next_result()" instead of the
error reported by MySQL Server.
(Bug #11757423, Bug #49466)
On Behalf of Oracle/MySQL Release Engineering Team,
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