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MySQL Engineering Blogs

Group Replication – Extending Group Replication performance_schema tables
In MySQL 8.0.2, users will see the additional columns in the existing Group Replication Performance Schema tables which will provide extended information about Group Replication. Now user can view role and MySQL version of each member of the group, which earlier required a complex set of...

Protecting your data! Fail-safe enhancements to Group Replication.
Group Replication has been around for some time now and the feedback from community is overwhelming. One of the suggestions (BUG#84795) received is related to deploying a mechanism to prevent a server from being updated after stopping group replication.…

Replication Features in MySQL 8.0.2
MySQL 8 is shaping up quite nicely. And we are having a blast in the MySQL replication team while this is happening. We are continuously improving all-things-replication by introducing new and interesting features. In addition, we have been listening to our community and addressing their...

MySQL 8.0.2: Introducing Window Functions
MySQL 8.0.2 introduces SQL window functions, or analytic functions as they are also sometimes called. They join CTEs (available since 8.0.1) as two of our most requested features, and are long awaited and powerful features. This is the first of a series of posts describing the details.…

Announcing MySQL Server 5.7.19, 5.6.37, and 5.5.57
MySQL Server 5.7.19, 5.6.37, and 5.5.57, new versions of the popular Open Source Database Management System, have been released. These releases are recommended for use on production systems. For an overview of what’s new, please see http://dev.mysql.com/doc/refman/5.7/en/mysql-nutshell.html...

The MySQL 8.0.2 Milestone Release is available
The MySQL Development team is happy to announce our 8.0.2 development milestone release (DMR), now available for download at dev.mysql.com. (8.0.2 adds features to 8.0.1 and 8.0.0). The source code is available at GitHub. You can find the full list of changes and bug fixes in the 8.0.2 Release...

MySQL 8.0: Removing support for old temporal datatypes
MySQL 5.6 introduced  the fractional second precision for temporal data types – TIME, DATETIME, and TIMESTAMP,  with up to microseconds (6 digits) precision. Along with providing fractional second precision, the new implementation for temporals is disk efficient. What is an “Old...

MySQL Support for Fedora 26 Is Here
Fedora 26 is scheduled to arrive today, July 11, and we congratulate the highly productive Fedora community on another rev of many people’s favorite distro. We’re continuing our tradition of supporting new distro releases from day one, and Fedora 26 users will find the following MySQL...

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