MariaDB 10.3.12 釋出了，MariaDB 是 MySQL 的一個分支，主要由開源社群維護，其旨在完全相容 MySQL，包括 API 和命令列，使之能輕鬆成為 MySQL 的代替品。

主要更新內容如下：

• MDEV-17589 - Stack-buffer-overflow with indexed varchar (utf8) field

• MDEV-16987 - ALTER DATABASE possible in read-only mode (forbid ALTER DATABASE in read_only)

• MDEV-17720 - slave_ddl_exec_mode=IDEMPOTENT does not handle DROP DATABASE

• MDEV-6453 - Assertion `inited==NONE || (inited==RND && scan)' failed in handler::ha_rnd_init(bool) with InnoDB, joins, AND/OR conditions

• MDEV-18105 - Mariabackup fails to copy encrypted InnoDB system tablespace if LSN>4G

• MDEV-17470 - Orphan temporary files after interrupted ALTER cause InnoDB: Operating system error number 17 and eventual fatal error 71

• MDEV-17765: Locking bug fix for SPATIAL INDEX

• ALTER TABLE Fixes for FULLTEXT INDEX: MDEV-17923, MDEV-17904, MDEV-17938

• Other ALTER TABLE fixes: 

  MDEV-17470, MDEV-17833, MDEV-17815, MDEV-18039, MDEV-18041

• Fixes for regressions introduced in MariaDB 10.3.10 by the backup-safe TRUNCATE TABLE (MDEV-13564, innodb_safe_truncate=ON) and innodb_undo_log_truncate:

• MDEV-17780, MDEV-17816, MDEV-17849, MDEV-17851, MDEV-17885, MDEV-17859, MDEV-17989

• Several improvements to MariaDB Server and backup for dealing with encrypted or page_compressed pages:

• MDEV-17957: Make innodb_checksum_algorithm stricter for strict_* values

• MDEV-17958: On little-endian systems, remove bug-compatible variant of innodb_checksum_algorithm=crc32

• MDEV-12112: corruption in encrypted table may be overlooked

• MDEV-18025: Mariabackup fails to detect corrupted page_compressed=1 tables

• Virtual columns: MDEV-17199 Assertion `pos < table->n_v_def' failed after upgrade from before 10.2

• MDEV-17881: Assertion failure in cmp_dtuple_rec_with_match_bytes after instant ADD COLUMN

• The Galera library in the repositories has been updated to version 25.3.25

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