MySQL Connector/NET 6.7.6 has been released
Posted by: Roberto Ezequiel Garcia Ballesteros
Date: November 12, 2014 04:02PM

Dear MySQL users,

MySQL Connector/NET 6.7.6, a new version of the all-managed .NET driver for MySQL has been released. This is the GA, is feature complete. It is recommended for production environments. It is appropriate for use with MySQL server versions 5.5-5.7.

It is now available in source and binary form from http://dev.mysql.com/downloads/connector/net/#downloadsand mirror sites (note that not all mirror sites may be up to date at this point-if you can't find this version on some mirror, please try again later or choose another download site.)

The 6.7 version of MySQL Connector/NET brings the following new
features:
- WinRT Connector.
- Load Balancing support.
- Entity Framework 5.0 support.
- Memcached support for Innodb Memcached plugin.
- This version also splits the product in two: from now on, starting
version 6.7, Connector/NET will include only the former Connector/NET
ADO.NET driver, Entity Framework and ASP.NET providers (Core
libraries of MySql.Data, MySql.Data.Entity & MySql.Web). While all
the former product Visual Studio integration (Design support,
Intellisense, Debugger) are available as part of MySQL Windows
Installer under the name "MySQL for Visual Studio".

WinRT Connector
-------------------------------------------
Now you can write MySql data access apps in Windows Runtime (aka Store
Apps) using the familiar API of Connector/NET for .NET.

Load Balancing Support
-------------------------------------------
Now you can setup a Replication or Cluster configuration in the backend, and Connector/NET will balance the load of queries among all servers making up the backend topology.

Entity Framework 5.0
-------------------------------------------
Connector/NET is now compatible with EF 5, including special features of EF 5 like spatial types.

Memcached
-------------------------------------------
Just setup Innodb memcached plugin and use Connector/NET new APIs to establish a client to MySQL 5.6 server's memcached daemon.


Changes in MySQL Connector/Net 6.7.6 (2014-11-11)

Bugs Fixed

* Generated code that matched against the start of a
VARCHAR/CHAR column now correctly uses "LIKE" instead of
location functions for the LINQ to Entity operators
"StartsWith", "Contains", and "EndsWith". Locate
functions do not make use of indexes placed on the
VARCHAR/CHAR columns, which caused significant
performance degradation. (Bug #19783747, Bug #19680236,
Bug #72058)

* Creating a Geometry Column with an SRID value would not
save the value to the table. (Bug #19783444, Bug
#19137999, Bug #19476721, Bug #71869)

* Generated SQL was missing several clauses, such as
OrderBy, GroupBy, and Skip), in cases that involved the
"let" keyword, or in other scenarios that were translated
into a DbApplyExpression. (Bug #19698010, Bug #19783760,
Bug #73549)

* LINQ to Entities queries failed for the cases that
contained a predicate using IList.Contains with an
argument of "DbCastExpression, DbConstantExpression,
DbParameterReferenceExpression". (Bug #19690370, Bug
#19783755, Bug #73643)

* A SELECT query that had a nullable DATETIME field in a
child .Any() clause with an .OrderBy() would fail and
emit a NotImplementedException exception. (Bug #19681723,
Bug #19795751, Bug #70722)

* The query optimization routine would return statements
with invalid table aliases when nested queries were being
optimized. This would throw an "Unknown column"
exception. (Bug #19681348, Bug #72004)

* The "Feature will be installed when required" option was
removed from the features list in the Connector/Net
installer due to it not supporting on-demand
installations because of dependencies with the
assemblies. (Bug #19670596, Bug #19681113)

* The fluent API DbModelBuilder.HasColumnType had no effect
in Entity Framework 6. (Bug #19476922, Bug #19456229, Bug
#19462808)

* Creating a "Model First" or "Database First" model using
MySQL 5.7 would set ProviderManifestToken to 5.6. (Bug
#19475012)

* Setting a Primary Key GUID identity in "Code First" in
Entity Framework 6 did not function with MySQL server
5.7. Inserting a row with a valid value for the GUID
generated an error, even when it had a trigger set to the
correct value.
As a workaround, it was necessary to redeclare the column
definition to accept a dummy default, such as "default
''". (Bug #19456452, Bug #19462811, Bug #19476995)

* Non Primary Keys declared as "Identity GUID" did not have
their GUID's automatically generated. (Bug #19456415, Bug
#19461919, Bug #19477029)

* "LINQ to Entities" queries that used Views with the Take
operator were not correctly generated. This problem
affected EF "Database First" scenarios. (Bug #19356006,
Bug #19789288, Bug #72148)

* Calling >MySqlConnection.GetSchema("PROCEDURES WITH
PARAMETERS", ...) would generate an error about a
non-existent index. This affected Intellisense when
completing stored procedures. (Bug #19289402)

* When using Entity Framework 4.3 Code first Identifiers
for Migrations and Entity Framework 6, generated foreign
key
(http://dev.mysql.com/doc/refman/5.6/en/glossary.html#glo
s_foreign_key) identifiers could be longer than 64
characters, causing MySQLException errors. The fix
renames any too-long identifiers using the name format
FK_guid, where guid is a global unique identifier
generated at runtime. (Bug #19211564, Bug #19483128)
References: This bug is a regression of Bug #67285.

* When the connection limit was exceeded,
MySqlConnection.Open() would leave the TCP connections in
a CLOSE_WAIT state, but now closes them. (Bug #18665388,
Bug #72025)

* When a client refreshed a web page associated with an
expired session and if the ASP.NET project was using
<SessionState ... regenerateExpiredSessionId="true" ...>,
a "duplicate entry" exception was generated from the
MySqlSessionProvider. (Bug #18657550, Bug #19783515, Bug
#70409)

The documentation is available at:
http://dev.mysql.com/doc/refman/5.7/en/connector-net.html

Nuget packages are available at:

https://www.nuget.org/packages/MySql.Data/6.7.6
https://www.nuget.org/packages/MySql.Data.Entity/6.7.6
https://www.nuget.org/packages/MySql.Web/6.7.6

Enjoy and thanks for the support!

On behalf of the MySQL Connector/NET and the MySQL/ORACLE RE Team.

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MySQL Connector/NET 6.7.6 has been released
November 12, 2014 04:02PM


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