TDengine 3.3.4.8 Release Notes
New Features
- feat: Interp function supports the fill(near) mode, supports returning the timestamp where the original data is located, and supports finding interpolations within a specified range.
Optimizations
- enh: improve the query performance of TSBS.
- enh: support alter multiple tag values of a single child table at the same time.
- enh: optimize the error code of the status window.
- enh: reduce resource consumption in the force window close mode of stream computing.
- enh: remove the restriction that window query must include aggregate functions.
Fixed issues
- fix: use websocket in node.js example of explorer
- fix: the problem that WAL is not distributed to multiple level-0 mount points.
- fix: abnormal exit of stream computing may lead to a deadlock.
- fix(taosX): fix drop table unexpected error when point set enable=0 in opc csv
- fix: failed to read WAL file when alter WAL_level from 0 to 2.
- fix: deadlock when create snode.
- fix: The race condition during replica snapshot synchronization.
- fix: the performance degradation of the percentile function after upgrading to 3.3.4.3.
- fix: the info of dataDir in ins_dnode_variables is incomplete.
- fix: WHERE condition not work in statements with INTERP function
- fix: taosd restart failed while use force window close mode in stream computing.
- Fix: SQL statements containing “GROUP BY constants” will report “Executor internal error”.
- fix: fix OPC-DA connection incorrect NOCONFIG error
- fix: in force_window_close mode, the stream computing fails to generate the sub-table names according to the specified rules.
- fix: 'schema is old' occurring in schemaless write mode under specific scenarios. https://github.com/taosdata/TDengine/issues/28846
- fix: taosX sync with subscription may lost messages in websocket
- fix: incorrect sub-table count when filtering by tags (which may cause taosdump crash).
- fix: restart a single dnode when RPC compression is enabled may lead to an abnormal cluster state.
- fix: unexpected Grafana alerting with CASE WHEN
- fix: taosd may crash when performing UNION queries frequently.
- fix: subscribe with enable.auto.commit=false not work as expected
