OceanBase Database Enterprise Edition V3.1.2

V3.1.2 BP9

Version information

• Release date: July 28, 2022
• Version: V3.1.2 BP9
• RPM version: oceanbase-3.1.2-20220727191622

Fixed issues

• Values of CPU-related parameters in the __all_virtual_server_stat virtual table are inaccurate.
• In the online analytical processing (OLAP) business model, the execution efficiency of BROADCAST and NEST LOOP JOIN operators is low.
• The index status not match error exists in the logs of the RootServer module.
• If the server and client use different character sets, the error code 4013 is returned in data export due to excessive memory resource use.
• If an SQL statement in the SQL_AUDIT view contains unidentifiable characters, data cannot be exported.
• The background threads of an OBServer node use a global index but an initialization exception occurs, causing the OBServer node to crash.
• The value of the min_buf_size parameter does not incorporate the value of the row_extend_size parameter. As a result, the Buffer not enough error is returned for a large number of data queries.
• If the amount of data is large when a stored procedure is executed, tmp_block_cache occupies a large amount of memory space. As a result, an error indicating insufficient memory is returned.

V3.1.2 BP8

Version information

• Release date: March 30, 2022

• Version: V3.1.2 BP8

• RPM version: oceanbase-3.1.2-20220329234820

Fixed issues

• The v$sql_audit view displays inaccurate ELAPSED_TIME.

• An unexpected error is returned when duplicate data is written into a unique index column.

• An error is returned when using different verification character sets in combination.

• The backup data cannot be cleaned up if the backup_copies field of the backup_dest_option parameter is set to 1.

• The execution result of the SELECT INTO USER VARIABLE parameter in MySQL mode is NULL.

• An error is returned during the conversion of input parameters in PL statements.

• The PL call of specified parameter names causes status exceptions of the CFMS.FAUT_GENERATE_SENDDATE package.

• Some partition groups are not backed up or the system considers the schema incorrect because the schema version retrieved upon the initiation of the data backup task is inaccurate.

• The 4013 error is returned when the SQL statement specifies different character set types for the server and the client.

V3.1.2 BP7

Version information

• Release date: February 24, 2022

• Version: V3.1.2 BP7

• RPM version: oceanbase-3.1.2-20220223145512

Enhanced features

• Using an OUTER JOIN condition as a subquery statement is supported.

• The DBMS_LOB.COMPARE function is supported in Oracle mode. The comparison of strings in the CLOB field is supported.

• The auto_refresh_location_cache parameter is enabled by default to support the dynamic refresh of replica locations.

Fixed issues

• The query results of SQL queries that have variables with assigned values are incorrect in MySQL mode.

• Nonoptimal execution plans are selected for paging queries.

• An error is returned during the debugging of PL statements, indicating that the database does not support debugging the current PL object.

• The execution of PL statements is not retried when OB_ERR_PARALLEL_DDL_CONFLICT occurs.

• An error is returned when batch adding or batch dropping partitioned tables by using PL statements.

• A syntax error is returned when LOB data is inserted by using PL statements.

V3.1.2 BP6

Version information

• Release date: December 31, 2021

• Version: V3.1.2 BP6

• RPM version: oceanbase-3.1.2-20211230114204

Enhanced features

• Unbinding the primary and standby clusters is supported.

• The USERENV('SID') and USERENV('LANGUAGE') functions are supported in Oracle mode.

• The __all_virtual_processlist table is optimized to display the retry_cnt and retry_ret fields.

• The cleanup of historical schema changes on OBServers is supported.

• The performance of creating a global index on an empty table is optimized.

Fixed issues

• The __all_virtual_memory_info table displays incomplete information.

• The time consumption statistics for multistmt transactions are inaccurate in the ~v$sql_audit~ view.

• An OBServer cannot restart when the disk is fully occupied by slog files.

• A database has duplicate constraints because the constraints on a temporary table in Oracle mode are not in the constraint namespace.

• The uncommitted data records cannot be queried by nested queries on followers.

• When a view is created with a prefixed index, the SUBSTR expression is generated in an invalid format.

• Internal sessions in Oracle mode lack National Language Support (NLS) character variables.

V3.1.2 BP5

Version information

• Release date: November 19, 2021

• Version: V3.1.2 BP5

• RPM version: oceanbase-3.1.2-20211119151959

Enhanced features

• The DEGREES() function is supported in MySQL mode.

• Using CURSOR as an output parameter of an anonymous block is supported.

• The check of the user UID when an OBServer is started is supported. OBServers can be started only by an admin user.

Fixed issues

• The ALL_INDEXES view displays incorrect values of the INDEX_TYPE field.

• The execution of the DROP COLUMN statement fails because of the delayed drop mechanism.

• After a table is dropped in MySQL mode, an error is returned during the revocation of user privileges, indicating that the table does not exist.

• The 4013 error is returned if the number of arguments of the CONCAT_WS() function exceeds 32.

• The synchronization of clog files fails during the upgrade from OceanBase Database V2.2.77 to V3.1.2.

• An error is returned during the dynamic partition pruning by using the UNION ALL operator.

• Duplicate values of the universally unique identifier (UUID) are returned.

• When a DML statement is executed and the transaction is not committed, the sql_no field of the nested session is inconsistent with that of the main session.

V3.1.2 BP4

Version information

• Release date: October 13, 2021.

• Version: V3.1.2 BP4

• RPM version: oceanbase-3.1.2-20211013162404

Enhanced features

• The gv$sql_plan_monitor view is optimized to display the information of local and remote plans.

• The __all_virtual_processlist table is optimized to display the timeout status of transactions.

• The OBCI_WRITE function of the DBMS_LOB package is supported.

• Using the NOT IN operator to extract the query range is supported.

Fixed issues

• The 4007 error is returned during the execution of the CONNECTION BY statement in a subquery.

• An error is returned for JDBC recognition because the transaction isolation levels of OceanBase Database in MySQL mode are not the same as those of a MySQL database.

• Slog overwriting causes a restart failure and the failure cannot be recovered.

• After the TRUNCATE TABLE statement is executed on a table, the eviction of distributed plans associated with this table is slow.

V3.1.2 BP3

Version information

• Release date: September 15, 2021.

• Version: V3.1.2 BP3

• RPM version: oceanbase-3.1.2-20210914104736

Enhanced features

• The automatic eviction of SQL execution plans for partitioned tables is supported.

• The integration of the transparent data encryption (TDE) feature with the Key Management Service (KMS) system of the customer is supported.

• The ANY_VALUE() function is supported in MySQL mode.

• Strong consistency reads of follower replicas are supported.

• The configuration of the RootServer node for liboblog is supported.

• 4 KB aligned reads and writes are supported for slog and clog files.

Fixed issues

• The 5727 error for OBServer logs and the log volume.

• An error is returned during the SQL execution because the ROWNUM() function in the CONNECTION BY clause prints an incorrect alias.

• Some content of a clog is garbled in PL.

• The setting of the NLS_DATE_FORMAT parameter does not take effect.

• The gv$sql_audit view displays incorrect values of the sql_id field.

V3.1.2 BP2

Version information

• Release date: August 13, 2021

• Version: V3.1.2 BP2

• RPM version: oceanbase-3.1.2-20210813154332

Enhanced features

• The upgrade from OceanBase Database V2.2.77 to V3.1.2 is optimized.

• The backup and restore stability and the cross-version backup and restore feature are improved.

Fixed issues

• An internal error is returned when table fields are passed into a TABLE function when binding the TABLE function.

• After a table is created by executing the CREATE TABLE AS statement, an error is returned during the execution of subsequent SQL statements because the created table cannot be found due to delayed schema refreshing.

• When the DECODE() function is used, the return result is inconsistent with that in an Oracle database.

V3.1.2 BP1

Version information

• Release date: July 1, 2021.

• Version: V3.1.2 BP1

• RPM version: oceanbase-3.1.2-20210701144352

Fixed issues

• An error is returned when the checker script is executed during the upgrade of the standby database.

• An error is returned during the type derivation of an expression that contains NULL.

V3.1.2

Version information

• Release date: June 18, 2021

• Version: V3.1.2

• RPM version: oceanbase-3.1.2-20210618150922

Overview

OceanBase Database V3.1.X is a series of stable versions released to support customer applications.

Enhanced features

• The upgrade from OceanBase Database V2.2.77 to V3.1.2 is supported.

Fixed issues

• The dba_tab_columns view displays incorrect values of the Nullable column.