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
subpartitionkeyword is supported.The
obproxy_force_parallel_query_dopparameter 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 @Astatement 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_idis 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.