MariaDB 11.4.1 Release Notes

Download 11.4.1 Release Notes Changelog Overview of 11.4

Release date: 16 Feb 2024

MariaDB 11.4 is a current long-term development series of MariaDB. It is an evolution of MariaDB 11.3 with several entirely new features.

MariaDB 11.4.1 is a Release Candidate (RC) release.

Thanks, and enjoy MariaDB!

Notable Items

InnoDB

• Unique hash key on column prefix is computed incorrectly (MDEV-29954)
• Query from I_S.INNODB_SYS_INDEXES exceeding LIMIT ROWS EXAMINED causes ER_UNKNOWN_ERROR and LeakSanitizer errors in rec_copy_prefix_to_buf_old (MDEV-28613)
• Assertion `0' failed in row_sel_convert_mysql_key_to_innobase upon UPDATE using a partial-field key prefix in search (MDEV-21245)
• Assertion failure on REPLACE on ROW_FORMAT=COMPRESSED table (MDEV-31574)
• Crash emitting "Unsupported meta-data version number" error message (MDEV-29972)
• LeakSanitizer errors in mem_heap_create_block_func upon query from I_S.INNODB_SYS_TABLES with LIMIT ROWS EXAMINED (MDEV-32890)
• Inplace alter rebuild increases file size (MDEV-26740)
• BLOB corruption on UPDATE of PRIMARY KEY with FOREIGN KEY (MDEV-31441)
• GNU libc posix_fallocate() may be extremely slow (MDEV-32268)
• InnoDB wrong error message (MDEV-32833)
• Assertion failure on ALTER TABLE…PAGE_COMPRESSED=1 (MDEV-31000)
• InnoDB after ALTER TABLE…IMPORT TABLESPACE may not be crash safe (MDEV-32269)
• InnoDB fails to restore tablespace first page from doublewrite buffer when page is empty (MDEV-32968)
• innodb_fast_shutdown=0 hang after incomplete startup (MDEV-32798)
• innodb_undo_log_truncate=ON prevents fast shutdown (MDEV-33062)
• Adaptive flush recommendation ignores dirty ratio and checkpoint age (MDEV-31939)
• gcol.gcol_purge contaminates further execution of innodb.gap_locks (MDEV-28682)
• LPAD in vcol created in ORACLE mode makes table corrupted in non-ORACLE (MDEV-27744)
• Adaptive flushing is still not getting invoked in 10.5.11 (MDEV-26055)
• History list is not shrunk unless there is a pause in the workload (MDEV-33213)
• path separator near ib_buffer_pool incorrect (MDEV-32983)
• Deadlock between buf_page_get_zip() and buf_pool_t::corrupted_evict() on InnoDB ROW_FORMAT=COMPRESSED table corruption (MDEV-32371)
• Empty INSERT crashes with innodb_force_recovery=6 or innodb_read_only=ON (MDEV-31861)
• Assertion `end_lsn == page_lsn' failed in recv_recover_page (MDEV-33137)
• Some calls to buf_read_ahead_linear() seem to be useless (MDEV-32068)
• Opening all .ibd files on InnoDB startup can be slow (MDEV-32027)
• InnoDB LRU flushing does not run before running out of buffer pool (MDEV-33053)
• innodb_undo_log_truncate=ON is blocking page writes (MDEV-33112)

Backup

• mariabackup has wrong or missing plugin-dir default? (MDEV-29110)
• mariabackup fails when innodb_max_dirty_pages_pct contains a fraction (is not an integer) (MDEV-20286)
• Missing required privilege CONNECTION ADMIN (MDEV-33006)
• If tables are frequently created, renamed, dropped, a backup cannot be restored (MDEV-32939)
• New mariadb-dump option, -j, --parallel=# for increased parallelism, specifies the number of dump table jobs executed in parallel (only for use with the --tab option). Also added to mariadb-import, with --use-threads as a synonym. (MDEV-32216)
• BACKUP LOCKS on table to be accessible to those with database LOCK TABLES privileges (MDEV-28367)

JSON

• Wrong function name in ER_JSON_PATH_NO_WILDCARD error message for JSON_REPLACE (MDEV-24541)
• JSON_VALID fail to validate integer zero in scientific notation (MDEV-32587)
• ASAN errors in Item_func_json_contains_path::val_int upon PS execution (MDEV-32867)
• mysql_json cannot be used on newly created table (MDEV-32235)
• Problems with a stored function EMPTY() on upgrade to 10.6 (MDEV-31616)

Spider

• Thread (10.6+) and server hangs (10.4/10.5) in 'Opening tables' (on optimized builds) and SIGABRT in safe_mutex_lock (on debug) on I_S read when using Spider (MDEV-29421)
• SIGSEGV in spider_db_mbase::append_lock_tables on LOCK TABLES (MDEV-29963)
• ASAN heap-use-after-free in spider_link_get_key on LOCK TABLES (MDEV-31357)
• Crash when lateral derived is guaranteed to return no rows (MDEV-31279)
• Bogus error executing PS for query using CTE with renaming of columns (MDEV-31995)
• Spider: Valid LEFT JOIN results in ERROR 1064 (MDEV-26247)
• Trying to lock uninitialized mutex or hang upon shutdown after using Spider with query_cache (MDEV-28739)
• Spider tests failing in asan/valgrind builds (MDEV-32849)
• Backport fixes to spider init bugs to 10.4-10.6 once they have SQL service (MDEV-29870)
• Server crash with SIGSEGV or dynamic-stack-buffer-overflow in spider_db_mbase_util::append_table (MDEV-29163)
• heap-use-after-free in ha_spider::lock_tables(), highly sporadic SIGSEGV in intern_close_table (MDEV-30014)
• Syntax error upon query with subquery from Spider table (MDEV-30392)
• Spider doesn't recognize semi JOIN (MDEV-31645)
• MariaDB, SPIDER engine, usage of REGEXP (MDEV-32986)
• Spider: variable spider_same_server_link not functioning correctly (MDEV-29718)
• Spider fails to autodiscover structure (did in <=10.5) and reports ERROR 12500 (HY000): unknown (MDEV-33008)
• Spider spawns unnecessarily many system threads for stats synchronization (MDEV-29020)
  • Defaults for spider_table_crd_thread_count and spider_table_sts_thread_count changed from 10 to 1
• SIGSEGV in spider_db_delete_all_rows on TRUNCATE, UBSAN: member call on null pointer of type 'struct spider_db_handler' in spider_db_delete_all_rows (MDEV-33191)
• mariadb-upgrade fails with 'System table spider_tables is different version' => Can't create database 'performance_schema' (MDEV-27103)
• Spider: SIGSEGV in spider_db_direct_delete, SIGSEGV in spider_db_connect, ASAN: heap-use-after-free in spider_db_direct_delete (MDEV-28683)
• No error for DROP TABLE and no warning for DROP TABLE IF EXISTS with absent table when Spider plugin is included (MDEV-30170)
• ASAN errors in spider_conn_queue_and_merge_loop_check (MDEV-29002)

Optimizer

• Crash caused by multi-table UPDATE over derived with hanging CTE (MDEV-28615)
• Crash on query using CTE with the same name as a base table (MDEV-31657)
• Crash with query using constant subquery as left part of IN subquery (MDEV-29362)
• Incorrect result interceptor passed to mysql_explain_union() (MDEV-33165)
• Add optimizer_adjust_secondary_key_costs variable to influence how costs for secondary keys are calculated. (MDEV-33118)
• INSERT ... SELECT Does not produce an optimizer trace (MDEV-29298)
• Unusable key notes do not get reported for some operations (MDEV-32958)
• Unusable key notes report wrong predicates for > and >= (MDEV-32957)

Data Definition, Data Manipulation

• ALTER SEQUENCE IF NOT EXISTS non_existing_seq Errors rather than note (MDEV-32795)
• Unexpected ER_ERROR_ON_RENAME upon DROP non-existing FOREIGN KEY with ALGORITHM=COPY (MDEV-22230)
• FOREIGN_KEY_CHECKS does not prevent non-copy alter from creating invalid FK structure (MDEV-29092)
• Assertion `!"wrong page type"' or Assertion `"wrong page type" == 0' failed in innobase_instant_try on ALTER (MDEV-18322)
• Assertion (col.vers_sys_end()) upon inplace ALTER with virtual columns (MDEV-20545)
• DELETE with ORDER BY and semijoin optimization causing crash (MDEV-32212)
• Invalid expr in cleanup_session_expr() upon INSERT DELAYED (MDEV-29932)
• SIGSEGV in my_decimal::operator= and Assertion `0' failed in Item_type_holder::val_decimal on SELECT (MDEV-29070)
• LONG UNIQUE does not work like unique key when using replace (MDEV-32837)
• LONG UNIQUE gives error when used with REPLACE (MDEV-32839)
• Backport MDEV-32532 to 10.6 (MDEV-32903)
• Assertion `0' failed in Item_type_holder::val_int (MDEV-29494)

Character Sets, Data Types

• InnoDB: CHAR+nopad does not work well (MDEV-26743)
• CAST(AS UNSIGNED) fails with --view-protocol (MDEV-32645)
• JSON_ARRAYAGG charset issue (MDEV-24784)
• Server crash in my_decimal::operator= or unexpected ER_DUP_ENTRY upon comparison with INET6 and similar types (MDEV-32879)

Plugins

• The SQL Error Log Plugin can optionally (when sql_error_log_with_db_and_thread_info is enabled) include the thread ID and database / table in its log (MDEV-27087). NULL is displayed if there is no database (MDEV-32906)
• Backport SQL service, introduced by MDEV-19275 (MDEV-27595)
• "plugin already loaded" should be a Warning, not an Error (MDEV-32041)
• mariadb-upgrade should remove mysql.plugin entries for plugins that became bundled (MDEV-32043)

Galera

• Node has been dropped from the cluster on Startup / Shutdown with async replica (MDEV-31413)
• Inconsistency in Galera caused by ALTER being aborted before entering TOI mode (MDEV-32938)
• Assertion `total_length + thd->wsrep_sr().log_position() == saved_pos' failed in int wsrep_write_cache_inc(THD*, IO_CACHE*, size_t*) (MDEV-28971)
• wsrep_provider_options can be truncated on deep and long directory paths (MDEV-32634)
• Server crashes in rpl_sql_thread_info::cached_charset_compare / wsrep_apply_events (MDEV-22232)
• Galera crash when "create a table as select" (MDEV-27806)
• Cluster is inconsistent after SAVEPOINT statement is rolled back (MDEV-32549)
• WSREP GTID MODE is inconsistent (MDEV-31905)
• IST "Donor does not know my secret" with ssl-mode=VERIFY_CA (MDEV-32344)

Replication

• Server crashes in Item_func_binlog_gtid_pos::val_str / Binary_string::c_ptr_safe (MDEV-33045)
• binlog corruption (/tmp no space left on device at the same moment) (MDEV-27436)
• multi source replication filters breaking GTID semantic (MDEV-26632)
• SHOW SLAVE STATUS Can Deadlock an Errored Slave (MDEV-10653)
• main.rpl_mysqldump_slave Fails with "Master binlog wasn't deleted" Assertion (MDEV-32953)
• rpl_seconds_behind_master_spike Sensitive to IO Thread Stop Position (MDEV-33327)
• Binlog Checksum is Zeroed by Zlib if Part of Event Data is Empty (MDEV-33283)
• "Read semi-sync reply magic number error" warnings on master (MDEV-32551)
• Second Semi-sync Replica Can Hang at Connect Time (MDEV-32792)
• Semi-sync ACKed Transaction can Timeout and Switch Off Semi-sync with Multiple Replicas (MDEV-32960)
• Semi-Sync Ack_Receiver Thread Should Allow COM_QUIT Command (MDEV-32385)

Application-Time Periods

• Add views for periods in information_schema (MDEV-22597), in particular
• New view INFORMATION_SCHEMA.PERIODS
• New view INFORMATION_SCHEMA.KEY_PERIOD_USAGE
• New columns IS_SYSTEM_TIME_PERIOD_START and IS_SYSTEM_TIME_PERIOD_END in the INFORMATION_SCHEMA.COLUMNS view

General

• As per the MariaDB Deprecation Policy, this will be the last release of MariaDB 11.4 for Fedora 37 and Ubuntu 23.04 "Lunar"
• It is now possible to create partitions on tables that contain GEOMETRY types (MDEV-19177)
• s3_debug is now dynamic, and s3_protocol_version contains new options, and old options have been deprecated (MDEV-32884)
• New OLD_MODE value, NO_NULL_COLLATION_IDS, a compatibility setting to support connectors (in particular MySQL Connector/NET) that give an exception when collation ids returned by SHOW COLLATION are NULL. It is automatically set when a MySQL Connector/NET connection is determined.

• Using two temporary tables in OPTIMIZE TABLE lead to crash (MDEV-31523)
• REGEXP_REPLACE treats empty strings different than REPLACE in ORACLE mode (MDEV-29095)
• CREATE UNIQUE INDEX fails with "ERROR 1286 (42000): Unknown storage engine 'partition'" (MDEV-21618)
• Failure when executing PS for query using IN subquery (MDEV-32569)
• Potential memory leak on execuing of create view statement (MDEV-32466)
• Assertion failures (MDEV-32965)
• Two JSON related tests running in PS mode fail on server built with -DWITH_PROTECT_STATEMENT_MEMROOT=YES (MDEV-32733)
• Alter sequence 2nd ps fails while alter sequence 2nd time (no ps) succeeds (MDEV-33169)
• Set TaskMax=inifinity in the MariaDB systemd unit (MDEV-30236)
• Unreliable autocommit flag on connection creation (MDEV-32875)
• A connection can control RAND() in following connection (MDEV-33148)
• THD::rli_fake/rgi_fake not cleared on new connection (MDEV-32844)
• Assertion failures in tdc_remove_table upon interrupted CREATE TABLE LIKE <sequence> (MDEV-20471)
• Server crash in find_field_in_table (MDEV-32082)
• LPAD in vcol created in ORACLE mode makes table corrupted in non-ORACLE (MDEV-27744)
• Failure to call SP invoking another SP with parameter requiring type conversion (MDEV-33270)
• The database part is not case sensitive in SP names (MDEV-33019)
• EXCHANGE PARTITION with non-matching vcol expression segfault (MDEV-28127)
• Wrong user in SET DEFAULT ROLE error (MDEV-26875)
• quote(NULL) returns incorrect result in view ('NU' instead of 'NULL') (MDEV-28651)
• mysql.slow_log reports incorrect start time (MDEV-11628)
• Update federated table and column privileges (MDEV-32984)
• Deprecate secure_auth=0 (MDEV-32617)
• sys schema view session_ssl_status is empty (MDEV-32751)
• Memory pressure (MDEV-24670)

Changelog

For a complete list of changes made in MariaDB 11.4.1, with links to detailed information on each push, see the changelog.