Release Notes for MariaDB Enterprise Server 10.5.18-13

MariaDB Enterprise Server 10.5.18-13 is a Stable (GA) maintenance release of MariaDB Enterprise Server 10.5, released on 2022-12-21

MariaDB Enterprise Server 10.5.18-13 is a maintenance release of MariaDB Enterprise Server 10.5. This release includes a variety of fixes.

MariaDB Enterprise Server 10.5.18-13 was released on 2022-12-21.

Backported Features

MariaDB Enterprise Server enables a predictable development and operations experience through an enterprise lifecycle. These new features have been backported after reaching maturity in MariaDB Community Server:

• The new slave_max_statement_time system variable is available to set the maximum execution time for queries on replica nodes. (MENT-1566, MDEV-27161)

  • When a query takes more than slave_max_statement_time seconds to run on the replica (slave) node, the query is aborted, and replication stops with an error.

  • The system variable can be set to a decimal value, where the decimal component has microsecond precision.

  • When set to 0, there is no timeout.

  • The default value is 0.

Notable Changes

• The information_schema.INNODB_SYS_TABLESPACES view shows details about the InnoDB temporary tablespace, which is the tablespace where InnoDB temporary tables are stored. (MDEV-29479)

  • Starting with this release, the details about the InnoDB temporary tablespace can be shown by querying for the name innodb_temporary:

SELECT * FROM information_schema.INNODB_SYS_TABLESPACES
 WHERE name LIKE 'innodb_temporary';

• When a table's default collation is set to the default collation for the table's character set, SHOW CREATE TABLE shows the COLLATE clause. (MDEV-29446)

  • In previous releases, MariaDB Enterprise Server reduced the size of SHOW CREATE TABLE output by excluding the COLLATE clause if the table's default collation was set to the default collation for the table's character set.

Issues Fixed

Can result in data loss

• When a column is renamed in a partitioned table with ALTER TABLE .. RENAME COLUMN using the NOCOPY algorithm, the table can be corrupted. (MDEV-28576)

• When the InnoDB storage engine performs change buffer operations, the InnoDB Redo Log can overflow, which can cause table corruption. (MENT-1661, MDEV-29905)

Can result in a hang or crash

• When a query contains an IN/ALL/ANY predicand and the subquery contains a GROUP BY clause with an IN/ALL/ANY predicand with a single-value subquery as the left operand, the server can crash. (MDEV-29350)

• If an InnoDB table contains a foreign key constraint and the child table's DATABASE_NAME/TABLE_NAME.ibd is longer than 330 characters, when the parent table is renamed, the server can crash. (MDEV-29409)

• When a DDL statement is executed using the INPLACE algorithm and innodb_adaptive_hash_index=ON is set, the server can hang. (MDEV-27700, MDEV-29384)

• When renaming a table to a long name, the server can crash. (MDEV-29258)

• When an ALTER TABLE statement causes InnoDB to rebuild a table with a spatial index, the server can crash. (MDEV-29520)

• When an InnoDB temporary table contains a spatial index, the server can crash if the temporary table is dropped due to DROP TEMPORARY TABLE or client disconnect. (MDEV-29507)

• When querying a partitioned table using the PARTITION syntax, if the WHERE clause results in an index merge, the server can crash. (MDEV-21134)

• When detecting CTE dependencies of nested CTEs that includes one or more recursive CTEs, infinite recursion can occur until the server crashes. (MDEV-29361)

• When the wsrep_notify_cmd system variable is configured to use the bundled wsrep_notify.sh script, the server can hang during startup. (MDEV-27682)

• When selecting from InnoDB's information_schema views (such as INNODB_TRX, INNODB_LOCKS, and INNODB_LOCK_WAITS), if connections with open XA transactions are disconnected or killed at the same time, the server can crash. (MDEV-29575)

• For some queries that involve tables with different but convertible character sets for columns taking part in the query, a repeatable execution of such queries in the prepared statement mode or as part of a stored routine can crash the server. (MDEV-16128)

• When executing a SELECT .. UNION .. SELECT or EXPLAIN EXTENDED statement, the server can crash. (MDEV-23160)

• When optimizer_switch='condition_pushdown_for_derived=on' is set and a view that includes a subquery is queried, the server crashes. (MDEV-16549)

• When an application-time period with an empty name is added to a table using ALTER TABLE .. ADD PERIOD IF NOT EXISTS, the server can crash. (MDEV-18873)

  • In previous releases, statements like the following could cause the server to crash:

ALTER TABLE t
 ADD PERIOD IF NOT EXISTS FOR `` (s,e);

• When the Spider storage engine's ODBC foreign data wrapper is used with MariaDB Connector/ODBC 3.1.10 and later, the server can crash. (MENT-1415)

• If the InnoDB change buffer is corrupted, the server can hang during shutdown. (MENT-1673, MDEV-30009)

• When an InnoDB tablespace is in the non-canonical format from a previous ALTER TABLE operation that used the INSTANT algorithm, InnoDB can fail to apply changes to the table during crash recovery and while preparing a backup with MariaDB Enterprise Backup. (MDEV-29438)

• When InnoDB tries to apply a INSERT_HEAP_DYNAMICrecord to a secondary index in a table with ROW_FORMAT=DYNAMIC during crash recovery, the operation can fail with an error. (MDEV-29559)

  • In previous releases, the MariaDB ES error log could have errors like the following:

[ERROR] InnoDB: Not applying INSERT_HEAP_DYNAMIC due to corruption on [page id: space=5, page number=4]

• When a prepared statement is used to execute an INSERT .. RETURNING statement containing a subquery, the server can crash: (MDEV-28740)

Can result in unexpected behavior

• In the presence of replication filters, revoking privileges from a non-existing user on a primary (master) breaks replication on the replica (slave). (MDEV-28530)

• When replicate_wild_ignore_table='mysql.%' is set on a replica node, the replica node does not skip replicated SET DEFAULT ROLE statements. (MDEV-28294)

• When a Spider table has a prefix index, query results can be incorrect. (MDEV-27172)

• InnoDB can extend tablespace files when additional capacity is not required. (MDEV-13013)

• When an InnoDB table is being rebuilt and a BLOB is updated during the online rebuild, a memory leak can occur. (MDEV-29600)

• When a view is queried using a prepared statement, the query fails with the ER_NEED_REPREPARE error code. (MDEV-17124)

  • In previous releases, the following error would occur:

ERROR 1615 (HY000): Prepared statement needs to be re-prepared

• When an InnoDB table contains virtual generated columns that are indexed, InnoDB fails to purge secondary index records. (MDEV-29666)

• When using the InnoDB adaptive hash index, non-locking reads can return wrong results due to a potential ACID violation. (MDEV-28709, MDEV-29635, MDEV-27927)

• When SHOW COLUMNS is used on a temporary table, an empty result set is returned. (MDEV-28455)

• When a sequence is used as the default value in a table, rows inserted by an INSERT ... SELECT statement can be assigned the wrong values. (MDEV-29540)

• When a column has both a UNIQUE index and a FULLTEXT index, full-text search using MATCH(..) AGAINST(..) does not work properly. (MDEV-29778)

• If the server is started with the --ssl option enabled, but the TLS certificates and keys are not configured, the server will advertise the TLS support in the handshake, but will not actually be able to use it. (MDEV-29811)

• With MariaDB Enterprise Cluster, when wsrep_sst_method='mariadb-backup' is configured, the joiner node ignores custom values for the innodb_buffer_pool_filename system variable, and the SST copies the buffer pool file to the default location instead. (MDEV-28968)

• When a TIMESTAMP column is filtered in a subquery inside the ALL operator, the results can be incorrect. (MDEV-27101)

• When the wsrep_node_incoming_address system variable does not contain a port number, the wsrep_incoming_addresses status variable shows 0 as the port number. (MDEV-28868)

• When optimizer_switch='rowid_filter=on' is enabled, performance is impacted if the rowid filter contains no elements. (MDEV-28846)

• When a INET6 column is filtered in a subquery inside the ALL operator, the results can be incorrect. (MDEV-27099)

• When XA COMMIT is executed without an open XA transaction, the operation is still logged to the binary log. (MDEV-25616)

  • In previous releases, when a replica node tried to apply the event, it would fail with the ER_XAER_NOTA error code:

Last_SQL_Errno	1397
Last_SQL_Error	Error 'XAER_NOTA: Unknown XID' on query. Default database: 'DATABASE_NAME'. Query: 'XA COMMIT ..'

• When a tablespace file was originally built with MariaDB Enterprise Server 10.4 and earlier, InnoDB would refuse to add a column to the table using the INSTANT algorithm. (MDEV-28822)

  • In previous releases, the operation would fail with the following error message:

ERROR 1845 (0A000): ALGORITHM=INSTANT is not supported for this operation. Try ALGORITHM=INPLACE

Related to install and upgrade

• When mariadb-upgrade is executed, spurious errors about table rebuilds are logged. (MDEV-29481)

  • In previous releases, the following messages would be logged, even though the tool already mitigated the issues itself:

error: Table rebuild required. Please do "ALTER TABLE `TABLE_NAME` FORCE" or dump/reload to fix it!"

Changes in Storage Engines

• This release incorporates MariaDB ColumnStore storage engine version 5.6.8.

Interface Changes

• ER_BINLOG_UNSAFE_SKIP_LOCKED error code added

• ER_CM_OPTION_MISSING_REQUIREMENT error code added

• ER_INCONSISTENT_SLAVE_TEMP_TABLE error code added

• ER_JSON_HISTOGRAM_PARSE_FAILED error code added

• ER_JSON_TABLE_ALIAS_REQUIRED error code added

• ER_JSON_TABLE_ERROR_ON_FIELD error code added

• ER_JSON_TABLE_MULTIPLE_MATCHES error code added

• ER_JSON_TABLE_SCALAR_EXPECTED error code added

• ER_PARTITION_CONVERT_SUBPARTITIONED error code added

• ER_PK_INDEX_CANT_BE_IGNORED error code added

• ER_PROVIDER_NOT_LOADED error code added

• ER_REMOVED_ORPHAN_TRIGGER error code added

• ER_SF_OUT_INOUT_ARG_NOT_ALLOWED error code added

• ER_SLAVE_STATEMENT_TIMEOUT error code added

• ER_STORAGE_ENGINE_DISABLED error code added

• ER_VERS_HIST_PART_FAILED error code added

• ER_WITH_TIES_NEEDS_ORDER error code added

• mariadbd --slave-max-statement-time command-line option added

• slave_max_statement_time system variable added

• WARN_OPTION_CHANGING error code added

• WARN_SFORMAT_ERROR error code added

Platforms

In alignment with the enterprise lifecycle, MariaDB Enterprise Server 10.5.18-13 is provided for:

• AlmaLinux 8 (x86_64, ARM64)

• AlmaLinux 9 (x86_64, ARM64)

• Debian 11 (x86_64, ARM64)

• Debian 12 (x86_64, ARM64)

• Microsoft Windows (x86_64) (MariaDB Enterprise Cluster excluded)

• Red Hat Enterprise Linux 8 (x86_64, ARM64)

• Red Hat Enterprise Linux 9 (x86_64, ARM64)

• Rocky Linux 8 (x86_64, ARM64)

• Rocky Linux 9 (x86_64, ARM64)

• SUSE Linux Enterprise Server 12 (x86_64)

• SUSE Linux Enterprise Server 15 (x86_64, ARM64)

• Ubuntu 20.04 (x86_64, ARM64)

Some components of MariaDB Enterprise Server might not support all platforms. For additional information, see "MariaDB Corporation Engineering Policies".

Installation Instructions

• MariaDB Enterprise Server 10.5

• Enterprise Cluster Topology with MariaDB Enterprise Server 10.5

• Primary/Replica Topology with MariaDB Enterprise Server 10.5

• ColumnStore Object Storage Topology with MariaDB Enterprise Server 10.5 and MariaDB Enterprise ColumnStore 23.02

• ColumnStore Shared Local Storage Topology with MariaDB Enterprise Server 10.5 and MariaDB Enterprise ColumnStore 23.02

• HTAP Topology with MariaDB Enterprise Server 10.5 and MariaDB Enterprise ColumnStore 23.02

• Single-Node Enterprise ColumnStore 23.02 with MariaDB Enterprise Server 10.5and Object Storage

• Single-Node Enterprise ColumnStore 23.02 with MariaDB Enterprise Server 10.5

• Enterprise Spider Sharded Topology with MariaDB Enterprise Server 10.5

• Enterprise Spider Federated Topology with MariaDB Enterprise Server 10.5

Upgrade Instructions

• Upgrade to MariaDB Enterprise Server 10.5

• Upgrade from MariaDB Community Server to MariaDB Enterprise Server 10.5

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