GaussDB Kernel R2
- Added the Ustore row storage engine based on in-place update to implement separate storage of new and old data.
- Added rollback segments to Ustore.
- Added the synchronous, asynchronous, and in-page rollback to Ustore.
- Enhanced Ustore B-tree indexes for transactions.
- Added the flashback function to Astore to support table flashback, flashback query, flashback DROP, and flashback TRUNCATE.
- Ustore does not support the following features: distributed deployment, parallel query, table sampling, global temporary table, online creation, index rebuild, ultimate RTO, VACUUM FULL, and column constraints DEFERRABLE and INITIALLY DEFERRED.
Feedback
Was this page helpful?
Provide feedbackThank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.
For any further questions, feel free to contact us through the chatbot.
Chatbot
