MariaDB 10.0.17/10.1.3 发布，MySQL 衍生版

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3月21日 深圳 OSC 源创会开始报名罗，送华为海思开发板
　　MariaDB 今天发布两个更新版本，分别是 10.0.17 和 10.1.3 。
　　其中 10.0.17 值得关注的改进内容有：

• 　　InnoDB updated to 5.6.23
  
• 　　XtraDB updated to 5.6.22-72.0
  
• 　　TokuDB updated to 7.5.5
  
• 　　mroonga updated to 5.0
  
• 　　Spider updated to 3.2.18
  
• 　　Connect updated to 1.03.0005
  
• 　　HeidiSQL updated to 9.1 (MDEV-7290)
  
• 　　--galera-sst-mode option removed from mysqldump (MDEV-7615)
  
• 　　mysqlbinlog --binlog-row-event-max-size support added (MDEV-6703)
  

　　详情请看 changelog.
　　而 10.1.3 版本改进内容包括：
Major new features

• 　　Table and Tablespace Encryption.
  
• 　　Optimistic mode of in-order parallel replication (MDEV-6676) and two new associated system variables:
  
  
  
  • 　　slave_parallel_mode
    
  • 　　skip_parallel_replication
    
  
  
• 　　Enhanced semisync replication (MDEV-162)
  

Other notable changes

• 　　Consistent support for IF EXISTS, IF NOT EXISTS, and OR REPLACE clauses:
  
  
  
  • 　　DROP ROLE (MDEV-7288)
    
  • 　　DROP USER (MDEV-7288)
    
  • 　　CREATE DATABASE (MDEV-7280)
    
  • 　　CREATE FUNCTION UDF (MDEV-7283)
    
  • 　　CREATE ROLE (MDEV-7288)
    
  • 　　CREATE SERVER (MDEV-7285)
    
  • 　　CREATE USER (MDEV-7288)
    
  • 　　CREATE VIEW (MDEV-7283)
    
  • 　　These statements now also support IF NOT EXISTS and OR REPLACE:
    
  • 　　These statements now support IF EXISTS:
    
  
  
• 　　InnoDB/XtraDB Page compression now supports snappy compression method
  
• 　　Dump Thread Enhancements from Google (MDEV-7257)
  
• 　　The wsrep_dirty_reads system variable for permitting dirty Galera reads.
  
• 　　new read-only server variable version_ssl_library that shows the version of currently used SSL library.
  
• 　　new command-line option --getopt-prefix-matching that makes it possible to disable historical "unambiguous prefix" matching in the command-line option parsing.
  
• 　　INFORMATION_SCHEMA.APPLICABLE_ROLES table has a new IS_DEFAULT column ?(MDEV-6918). See SET DEFAULT ROLE.
  
• 　　INFORMATION_SCHEMA.VIEWS table has a new ALGORITHM column ?(MDEV-6731).
  
• 　　Improved concurrency: table definition cache now has lock-free implementation completely avoiding any global locks.
  
• 　　EXPLAIN FORMAT=JSONnow supports and prints more optimizations (range+MRR, "range checked for each record", full scan on NULL key, expensive constants, etc)
  

　　下载地址：https://blog.mariadb.org/mariadb-10-0-17-and-10-1-3-now-available/