Kent Boortz MySQL Connector/C++ 8.0.5-dmr has been released
Jul 10, 2017; 19:15
MySQL Connector/C++ 8.0.5-dmr has been released
Dear MySQL users,
MySQL Connector/C++ 8.0.5-dmr is the next development milestone release of the MySQL Connector/C++ 8.0 series (formely 2.0 series).
Connector/C++ 8.0 can be used to access MySQL implementing Document Store or in a traditional way, using SQL queries. It allows writing both C++ applications using X DevAPI or plain C applications using XAPI.
To learn more about how to write applications using X DevAPI, see "X DevAPI User Guide"
For generic information on using Connector/C++ 8.0, see
Connector/C++ 8.0 requires MySQL Server version 5.7.12 or higher with X Plugin enabled. For general documentation about how to get started using MySQL as a document store, see "Using MySQL as a Document Store"
To download MySQL Connector/C++ 8.0.5-dmr, see the "Development Releases" tab at
Changes in MySQL Connector/C++ 8.0.5-dmr (2017-07-10, development milestone)
MySQL Connectors and other MySQL client tools and applications now synchronize the first digit of their version number with the (highest) MySQL server version they support.
Future MySQL Connector/C++ 8.0 releases would be designed to support more/all features of MySQL server version 8 (or lower). This change makes it easy and intuitive to decide which client version to use for which server version."
Connector/C++ 8.0.5-dmr is the first release to use the new numbering. It is the successor to Connector/C++ 2.0.4.
Functionality Added or Changed
* Connector/C++ now supports MySQL servers configured to use utf8mb4 as the default character set.
Currently, Connector/C++ works only with UTF-8 and ASCII default character sets (utf8, utf8mb4, and ascii). If a user creates a table with text columns that use a non-UTF-8 character set, and this column holds a string with non-ASCII characters, errors will occur for attempts to access that string (for example, in a query result).
On the other hand, if strings consist only of ASCII characters, correct result are obtained regardless of the character set. Also, it is always possible to obtain the raw bytes of the column value, for any character set.
* The SqlResult class now implements the getAffectedRowsCount() and getAutoIncrementValue() X DevAPI methods. (Bug #25643081)
* To avoid unintentional changes to all items in a collection, the Collection::modify() and Collection::remove() methods now require a nonempty selection expression as argument.
* For X DevAPI or XAPI, when creating a new session, multiple hosts can be tried until a successful connection is established. A list of hosts can be given in a connection string or as session creation options, with or without priorities.
* The NodeSession class has been renamed to Session, and the XSession class has been removed.
* Connections created using Session objects now are secure by default. Also, the ssl-enabled connection option has been replaced by ssl-mode. Permitted ssl-mode values are disabled, required (the default), verify_ca and verify_identity.
* Option names within connection strings are now treated as case insensitive. Option values are still case sensitive by default.
* It is now possible to call stmt.execute() multiple times. Calling methods that modify statement parameters should modify the statement sent with execute(). This is also true for binding new values to named parameters. (Bug #25858159)
* Compiler errors occurred when creating a SessionSettings object due to ambiguity in constructor resolution. (Bug #25603191)
* collection.add() failed to compile if called with two STL container arguments. (Bug #25510080)
* These expression syntaxes are now supported:
CHARSET(CHAR(X'65')) 'abc' NOT LIKE 'ABC1' 'a' RLIKE '^[a-d]' 'a' REGEXP '^[a-d]' POSITION('bar' IN 'foobarbar')
These expression syntaxes are not supported but a better error message is provided when they are used:
CHARSET(CHAR(X'65' USING utf8)) TRIM(BOTH 'x' FROM 'xxxbarxxx') TRIM(LEADING 'x' FROM 'xxxbarxxx') TRIM(TRAILING 'xyz' FROM 'barxxyz') 'Heoko' SOUNDS LIKE 'h1aso'
On Behalf of the MySQL/Oracle Release Engineering Team, Kent Boortz
-- Kent Boortz, Release Staff engineer Oracle, The MySQL Team Mobile: +46 76 77 69 049
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