MariaDB 10.3.15 发布，MySQL 分支

MariaDB 10.3.15 发布了，改进内容包括：

General server

• MDEV-17894 - Assertion (thd->lex)->current_select' failed in MYSQLparse() , query with VALUES()
• MDEV-18968 - Both (WHERE 0.1) and (WHERE NOT 0.1) return empty set
• MDEV-18466 - Unsafe to log updates on tables referenced by foreign keys with triggers in statement format
• MDEV-18899 - Server crashes in Field::set_warning_truncated_wrong_value
• MDEV-18298 - Crashes server with segfault during role grants
• MDEV-17610 - Unexpected connection abort after certain operations from within stored procedure
• MDEV-19112 - WITH clause does not work with information_schema as default database
• MDEV-17830 - Server crashes in Item_null_result::field_type upon SELECT with CHARSET(date) and ROLLUP
• MDEV-14041 - Server crashes in String::length on queries with functions and ROLLUP
• MDEV-18920 - Prepared statements with st_convexhull hang and eat 100% cpu.
• MDEV-15837 - Assertion item1->type() == Item::FIELD_ITEM && item2->type() == Item::FIELD_ITEM
• MDEV-9531 - GROUP_CONCAT with ORDER BY inside takes a lot of memory while it's executed
• MDEV-17036 - BULK with replace doesn't take the first parameter in account
• Bug#28986737 - RENAMING AND REPLACING MYSQL.USER TABLE CAN LEAD TO A SERVER CRASH
• MDEV-19350 - Server crashes in delete_tree_element / ... / Item_func_group_concat::repack_tree
• MDEV-19188 - Server Crash When Using a Trigger With A Number of Virtual Columns on INSERT/UPDATE
• MDEV-19352 - Server crash in alloc_histograms_for_table_share upon query from information schema

InnoDB

• Merge InnoDB changes from MySQL 5.6.44 and 5.7.26
• Fixes of corruption or crashes: MDEV-19241 , MDEV-13942 , MDEV-19385 , MDEV-16060 , MDEV-18220 , MDEV-17540
• InnoDB recovery fixes and speedup: MDEV-18733 , MDEV-12699 , MDEV-19356

Encryption

• MDEV-14398 - innodb_encrypt_tables will work even with innodb_encryption_rotate_key_age=0

Protocol

• MDEV-17036 - BULK with replace doesn't take the first parameter in account

Replication

• MDEV-14784 - Slave crashes in show_status_array upon running a trigger with select from I_S

Mariabackup

• MDEV-19060 - mariabackup continues, despite failing to open a tablespace

Packaging & Misc

• MDEV-19054 - mysql_upgrade_service now allows MySQL 5.7 to MariaDB 10.2 upgrade
• Starting with this release, we are now providing src.rpm packages for some platforms ( MDEV-7066 )
• As per the MariaDB Deprecation Policy , this will be the last release of MariaDB 10.3 for Fedora 28

Security

• MDEV-18686 - Add option to PAM authentication plugin to allow case insensitive username matching
• bugfix - multi-update checked privileges on views incorrectly (commit 5057d4637525eadad438d25ee6a4870a4e6b384c)
• MDEV-19276 - during connect, write error log warning for ER_DBACCESS_DENIED_ERROR , if log_warnings > 1
• MDEV-17456 - Malicious SUPER user can possibly change audit log configuration without leaving traces.