ODP Community Edition V4.2.0

V4.2.0

Version information

• Release date: July 02, 2023

• Version: V4.2.0

Overview

• Automatic session synchronization verification is supported.

• Access to a cluster by using its alias is supported.

• The GB18030 2022 character set is supported.

• The Show Trace feature is supported. For more information, see Show Trace.

• A latency threshold is supported. For more information, see Follower latency threshold.

• Parsing of hexadecimal data is supported.

• The subpartition keyword is supported.

• The obproxy_force_parallel_query_dop parameter is added for modifying the degree of parallelism (DOP) of queries in OceanBase Database.

• The security compilation option is supported.

Bug fixes

• Fixed the issue where the cluster is disconnected when the PREPARE st1 from @A statement is executed.

• Fixed the issue where the behavior in random routing is not as expected.

• Fixed the issue of request routing where only the partitioning key is specified for a subpartitioned table in the SQL request.

• Fixed the issue of session information synchronization in the case of error packets.

• Fixed the issue where internal SQL statements are not routed based on the specified IP addresses.

• Fixed the issue where disconnection occurs when an SQL statement is executed after xa_start hold.

• Fixed the issue where connection establishment fails if only last_insert_id is modified.

• Fixed the issue where performance jitter occurs in business SQL statements when CPU resources are exhausted due to configuration changes.

• Fixed the issue where disconnection occurs when consume size is 0.

• Fixed the issue where disconnection occurs due to excessively long user variables in a PL statement.

• Fixed the issue where an error is expected but the operation succeeds when a tenant-level parameter is deleted.

• Fixed the issue where the parsing module of ODP may cause memory leaks.

• Fixed the issue where you cannot configure multiple values when you update a parameter.

• Fixed the issue where the allowlist contains invalid CIDR blocks.

• Fixed the issue where the operation of inserting data into a table is hung when the utf16 character set is used.

• Fixed the issue that column names in a partition expression cannot contain backticks (`) in partition routing.

• Fixed the issue of core dumps related to prepared statements.

• Fixed the issue where internal connections are hung.

• Fixed the issue where concurrent ObMysqlClient connections are not released.

• Fixed the issue that disconnection occurs when case sensitivity is enabled for prepared statements.

• Fixed the issue where, in some scenarios, after the connection to OceanBase Database is disconnected due to a prolonged idle period, a core dump is generated for ODP when it receives a new request.