The Ultimate Guide to High Availability with MariaDB
This is a read-only copy of the MariaDB Knowledgebase generated on 2024-11-21. For the latest, interactive version please visit https://mariadb.com/kb/.

MariaDB 10.9.8 Release Notes

Download Release Notes Changelog Overview of 10.9

Alternate download from mariadb.org

Release date: 14 Aug 2023

MariaDB 10.9 is a previous short-term stable series of MariaDB, maintained until August 2023. It is an evolution of MariaDB 10.8 with several entirely new features.

MariaDB 10.9.8 is a Stable (GA) release.

MariaDB 10.9.8 is the last release of the MariaDB 10.9 release series.

For an overview of MariaDB 10.9 see the What is MariaDB 10.9? page.

Thanks, and enjoy MariaDB!

Notable Items

Upgrading from MySQL

  • MariaDB now detects and converts previously incompatible MySQL partition schemes (MDEV-29253)

General

  • As per the MariaDB Deprecation Policy, this will be the last release of MariaDB 10.9 for Ubuntu 18.04 LTS "Bionic" and Ubuntu 22.10 "Kinetic"
  • mariadb-dump --force doesn't ignore error as it should (MDEV-31092)
  • 280 Bytes lost in mysys/array.c, mysys/hash.c, sql/sp.cc, sql/sp.cc, sql/item_create.cc, sql/item_create.cc, sql/sql_yacc.yy:10748 when using oracle sql_mode (MDEV-26186)
  • SQL/PL package body does not appear in I_S.ROUTINES.ROUTINE_DEFINITION (MDEV-30662)
  • Unexpected result when combining DISTINCT, subselect and LIMIT (MDEV-28285)
  • ROW variables do not get assigned from subselects (MDEV-31250)
  • Crash after setting global session_track_system_variables to an invalid value (MDEV-25237)
  • ODKU of non-versioning column inserts history row (MDEV-23100)
  • UPDATE not working properly on transaction precise system versioned table (MDEV-25644)
  • Assertion `const_item_cache == true' failed in Item_func::fix_fields (MDEV-31319)
  • ANALYZE doesn't work with pushed derived tables (MDEV-29284)
  • get_partition_set is never executed in ha_partition::multi_range_key_create_key due to bitwise & with 0 constant (MDEV-24712)
  • Client can crash the server with a mysql_list_fields("view") call (MDEV-30159)
  • I_S.parameters not immediatly changed updated after procedure change (MDEV-31064)
  • bzero wipes more bytes than necessary in set_global_from_ddl_log_entry (MDEV-31521)
  • Assertion `0' failed in Type_handler_row::field_type upon TO_CHAR with wrong argument (MDEV-29152)
  • mysql_upgrade fails due to old_mode="", with "Cannot load from mysql.proc. The table is probably corrupted" (MDEV-28915)

Character Sets, Data Types

  • UUIDs version >= 6 are now stored without byte-swapping, UUIDs with version >=8 and variant=0 are now considered invalid, old tables are supported, old (always byte swapped) and new (swapped for version < 6) UUIDs can be compared and converted transparently (MDEV-29959)
  • UBSAN: null pointer passed as argument 1, which is declared to never be null in my_strnncoll_binary on SELECT ... COUNT or GROUP_CONCAT (MDEV-28384)
  • Possibly wrong result or Assertion `0' failed in Item_func_round::native_op (MDEV-23838)
  • Assertion `(length % 4) == 0' failed in my_lengthsp_utf32 on SELECT (MDEV-29019)
  • UBSAN: negation of -X cannot be represented in type 'long long int'; cast to an unsigned type to negate this value to itself in Item_func_mul::int_op and Item_func_round::int_op (MDEV-30932)
  • Assorted assertion failures in json_find_path with certain collations (MDEV-23187)

InnoDB

Aria

  • Various crashes upon INSERT/UPDATE after changing Aria settings (MDEV-28054)
  • Various crashes/asserts/corruptions when Aria encryption is enabled/used, but the encryption plugin is not loaded (MDEV-26258)

Spider

  • SIGSEGV in spider_db_open_item_field and SIGSEGV in spider_db_print_item_type, on SELECT (MDEV-29447)
  • Spider variables that double as table params overriding mechanism is buggy (MDEV-31524)

Optimizer

  • ANALYZE FORMAT=JSON now includes InnoDB engine statistics for each table (MDEV-31577)
  • Assertion `last_key_entry >= end_pos' failed in virtual bool JOIN_CACHE_HASHED::put_record() (MDEV-31348)
  • Problem with open ranges on prefix blobs keys (MDEV-31800)
  • Equal on two RANK window functions create wrong result (MDEV-20010)
  • Recursive CTE execution is interrupted without errors or warnings (MDEV-31214)
  • Assertion `s->table->opt_range_condition_rows <= s->found_records' failed in apply_selectivity_for_table (MDEV-31449)
  • Inconsistency between MRR and SQL layer costs can cause poor query plan (MDEV-31479)
  • MAX_SEL_ARG memory exhaustion is not visible in the optimizer trace (MDEV-30964)
  • SHOW TABLES not working properly with lower_case_table_names=2 (MDEV-30765)
  • Segfault on select query using index for group-by and filesort (MDEV-30143)
  • Server crash in store_length, assertion failure in Type_handler_string_result::sort_length (MDEV-31743)

Replication

Galera

  • Node never returns from Donor/Desynced to Synced when wsrep_mode = BF_ABORT_MARIABACKUP (MDEV-31737)
  • Node has been dropped from the cluster on Startup / Shutdown with async replica (MDEV-31413)
  • KILL QUERY maintains nodes data consistency but breaks GTID sequence (MDEV-31075)
  • Assertion failure !lock.was_chosen_as_deadlock_victim in trx0trx.h:1065 (MDEV-30963)
  • MariaDB stuck on starting commit state (waiting on commit order critical section) (MDEV-29293)
  • Assertion state() == s_aborting || state() == s_must_replay failed in int wsrep::transaction::after_rollback() (MDEV-30013)
  • Assertion !wsrep_has_changes(thd) || (thd->lex->sql_command == SQLCOM_CREATE_TABLE && !thd->is_current_stmt_binlog_format_row()) || thd->wsrep_cs().transaction().state() == wsrep::transaction::s_aborted failed (MDEV-30388)
  • Server crashes when wsrep_sst_donor and wsrep_cluster_address set to NULL (MDEV-28433)
  • Create temporary sequence can cause inconsistency (MDEV-31335)
  • Galera 4 unable to query cluster state if not primary component (MDEV-21479)

Changelog

For a complete list of changes made in MariaDB 10.9.8, with links to detailed information on each push, see the changelog.

Contributors

For a full list of contributors to MariaDB 10.9.8, see the MariaDB Foundation release announcement.

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