Notice
- Before you upgrade from a version earlier than ODC V4.2.0 to ODC V4.4.0, read the Considerations section in this topic.
- Before you use ODC V4.4.0, see ODC V4.4.0 Limitations.
Considerations
Data sources
In ODC V4.2.0 and later, the concept of connection configuration is replaced by data sources.
ODC V4.2.2 does not support creating an ODP data source. This feature will be restored in later versions.
In ODC V4.2.0 and later, personal connections are migrated to the personal workspace and are stored as data sources.
In ODC V4.2.0 and later, public connections are migrated to the team workspace and are stored as data sources.
In ODC V4.2.0 and later, read-only and read/write accounts in original public connections are retained only as read/write accounts after the upgrade.
User permissions
In ODC V4.2.0 and later, the private_connection/apply_connection role is deprecated. The permissions corresponding to this role no longer take effect.
In ODC V4.2.0 and later, resource groups are deprecated.
In ODC V4.2.0 and later, connection access permissions are deprecated. Database access control is implemented through project management.
System settings
- In ODC V4.2.0 and later, system settings are deprecated.
Ticket module
- Tickets initiated in versions earlier than ODC V4.2.0 can only be viewed under the "I Initiated" category. Other tickets cannot be viewed.
Partitioning plans
- Historical partitioning plans created in versions earlier than ODC V4.2.0 will stop running.
SQL plans
- Historical SQL plans created in versions earlier than ODC V4.2.0 will stop running.
Task workflow
- In ODC V4.2.0 and later, the task workflow is deprecated. The corresponding effects are implemented through the risk level module.
Data desensitization
- Data desensitization configurations created in versions earlier than ODC V4.2.0 will no longer take effect.
Historical sessions
- In ODC V4.2.0 and later, historical sessions are deprecated. After the upgrade, the default setting will save the usage status of the SQL window.
ODC V4.4.0
Current version: V4.4.0
Previous version: V4.3.4-BP3
Release date: September 16, 2025
Supported upgrade path: You can directly upgrade ODC V2.0.0 and later to this version.
Feature updates
SQL development
When you design a table schema, the default index type for newly created indexes is changed from global to local.
When you design a table schema, you cannot enter line breaks in the table name or field name.
When you design a table schema, you can view and configure the storage mode of an index.
A result set display configuration item is added. After you enable the append display option, multiple query results in the SQL window are displayed in sequence.
When you execute a query SQL statement in the SQL window, the order of the appended rowid field is changed from the first column to the last column.
On the result set tab, you can select all columns or deselect all columns.
Data archiving
You can validate the source and destination links in the task initiation phase to ensure that the configured archiving links are within the supported range.
The data search method is optimized. By default, data is searched by using the condition matching method.
The primary key cleanup configuration item for data cleanup tasks is deprecated. New tasks will use primary key cleanup by default.
Schema comparison
- The performance of the table schema retrieval step in schema comparison is optimized. The retrieval of 30,000 tables is optimized from 100 minutes to 10 seconds.
Resource tree
- The performance of loading databases in the SQL console resource tree is optimized. 100,000 databases can be loaded in 10 seconds.
Desktop client
- The H2 database version used by the desktop client is upgraded from 1.4.200 to 2.3.232.
OceanBase Database compatibility
- ODC is compatible with OceanBase Database V4.3.5BP3 and V4.4.0.
Other
IPv6 is supported. You can deploy ODC on an IPv6 server and manage IPv6 data sources.
The JDK version is upgraded from 8 to 17. The Springframework version is upgraded from 5.3.26 to 6.2.3. The Springboot version is upgraded from 2.7.12 to 3.4.3.