yiguolei opened a new issue, #34175: URL: https://github.com/apache/doris/issues/34175
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Description [Release Note 2.1.2](https://github.com/apache/doris/issues/33307) # Behavior Changed 1. # Upgrade Problem 1. # New Feature 1. Add show views statement to query views. https://github.com/apache/doris/pull/32358. 2. Workload group support bind to specific BE hosts. https://github.com/apache/doris/pull/32874. 3. Broker Load spport compressed JSON format. https://github.com/apache/doris/pull/30809 4. Truncate function can use column as scale argument. https://github.com/apache/doris/pull/32746 5. Add new function uuid_to_int and int_to_uuid. https://github.com/apache/doris/pull/33005 6. Support create mtmv based on other mtmv. https://github.com/apache/doris/pull/32984. 7. Support rewrite by mv nested materialized view. https://github.com/apache/doris/pull/33362 8. Add BypassWorkloadGroup to pass query queue. https://github.com/apache/doris/pull/33101. 9. Add function strcmp. https://github.com/apache/doris/pull/33272. 10. Support hll functions hll_from_base64, hll_to_base64. https://github.com/apache/doris/pull/32089 # Optimization 1. Replace SipHash by XXHash to improve shuffle performance. https://github.com/apache/doris/pull/32919 2. MTMV support olap table partition column is null . https://github.com/apache/doris/pull/32698. 3. Limit the max string length to 1024 while collecting column stats to control BE memory usage in statistics collection. https://github.com/apache/doris/pull/32470. 4. Support dynamic delete bitmap cache to improve the performance. https://github.com/apache/doris/pull/32991 5. Reduce memory usage in alter. https://github.com/apache/doris/pull/33474 6. Support complex type for constant folding. https://github.com/apache/doris/pull/32867 7. Support aggregation model for Variant type. https://github.com/apache/doris/pull/33493 8. Support inverted index format v2 in CCR. https://github.com/apache/doris/pull/33415 9. Optimize the performance of nested materialized view rewriting. https://github.com/apache/doris/pull/34127 # Bugfix 1. Fix no data error when read hive table on cosn TencentCloud. 2. Fix milliseconds_diff function return wrong result. https://github.com/apache/doris/pull/32897. 3. User define variables should be forward to master. https://github.com/apache/doris/pull/33013 4. Fix schema change fault when add complex type column. https://github.com/apache/doris/pull/31824 5. Routine Load fix data lost when FE leader change. https://github.com/apache/doris/pull/33678 6. Fix routine load failed when can not find workload group. https://github.com/apache/doris/pull/33596. 7. Support column string64 to avoid join failed in string size overflow the uint32. https://github.com/apache/doris/pull/33850 8. Create paimon catalog with hadoop user. https://github.com/apache/doris/pull/33833 9. Fix function_ipxx_cidr func with const param. https://github.com/apache/doris/pull/33968 ### Solution _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org
