taosdata/TDengine ver-3.4.0.2

3.4.0.2

on GitHub

Behavior change and compatibility

Features

1. feat: Automatically create xnode during TSDB initialization
2. feat: Explorer License page show machine code
3. feat: taosX-agent support xnode ha
4. feat: taosX support parquet files import
5. feat: add SQL recording for STMT in adapter
6. feat: Rust native connector support STMT2
7. feat: support dual conditions of duration and row count for true_for judgment in event and state windows of stream and batch query

Enhancements

1. enh: STMT query supports the binding of the interval parameter
2. enh: provide clearer error messages for SQL statements
3. enh: add column created_by/labels for XNODE TASK
4. enh: optimize the login verification logic to force root users who log in with the default password to change their passwords
5. enh: improve the processing mechanism of data encryption for bse and other files
6. enh: add notification mechanism related to user tokens
7. enh: support upgrading clusters with old-version data encryption mechanism to new-version one
8. enh: support creating TOTP secrets using the create totp_secret syntax
9. enh: Support both IPv4 & IPv6 protocol stacks
10. enh: support updating expiration time and policy for data encryption keys
11. enh: allow any chars in MQTT topic
12. enh: rename lag function to fill_forward and redevelop Lag function compatible with MySQL in follow-up
13. enh: improve performance of cols + last queries on virtual tables with only one original table
14. enh: support modifying permission control for users
15. enh: improve permission control for views and audits
16. enh: handle permission compatibility from version 3.3 to 3.4
17. enh: prohibit users from tampering with configuration files after data encryption takes effect
18. enh: optimize the notification content of stream period triggers by adding the trigger start time and end time fields (retaining the windowStart and windowEnd field names)
19. enh: adjust the upper limit of the original tables referenced by virtual tables from 1000 to 2000
20. enh: reduce the computing latency when stream query statements contain virtual table tag filter conditions
21. enh: optimize the syntax of stream statements to support the use of placeholders such as _twstart in the ORDER BY clause
22. enh: optimize the execution logic of outer join queries to resolve the issue where limit does not take effect when order by is not specified

Fixes

1. fix: incorrect results when executing the show create table statement on virtual tables
2. fix: null pointer error when InfluxDB schema changes
3. fix: crash in stream caused by improper handling of heartbeat messages after mnode leader switchover
4. fix: memory leak that occurs when UDF function initialization fails
5. fix: influxdb error with backslash syntax in taosX
6. fix: incorrect results when invoking the concat function in stream
7. fix: taoskeeper allow special chars in password
8. fix: inaccurate scheduled execution time for multi-level storage migration tasks
9. fix: migrate stuck in AVEVA Historian data-in
10. fix: incorrect results when the data in individual group windows is all NULL values during multi-group processing in state windows
11. fix: abnormal calculation results after deleting and rebuilding the result subtable of stream
12. fix: the client may crash when the concurrent write volume of STMT is high
13. fix: incorrect default time configuration issue for password reuse restrictions
14. fix: error while performing JOIN operations with subqueries without the FROM clause
15. fix: MySQL DataIn task may blocking when few data rows
16. fix: remove duplicate error details
17. fix: trigger logic error of the true_for option in stream when out-of-order data is written
18. fix: taosX native connection tmq error message
19. fix: possibly stuck on systemctl stop taosd caused by xnoded
20. fix: subscriptions created by a user cannot be canceled after the user is deleted
21. fix: crash while combined use of group_concat function and count_window
22. fix: fix create task error for opc
23. fix: failed to set user permissions in taosExplorer of v3.4.0 version

What's Changed

• docs: update xnode port by @zitsen in #34152
• docs: update release note for 3.4.0.0 in office web by @feici02 in #34153
• docs: minor corrections by @danielclow in #34159
• feat(docs): add taosx datain Pulsar/Pulsar-Tuya docs by @acerDebugman in #34161
• enh: privilege parse and check create stream by @kailixu in #34143
• chore(jdbc): update jdbc version by @sheyanjie-qq in #34157
• fix(udf): destory data block in the error case by @stephenkgu in #34140
• fix(stream): add resetting tagScan logic & fix parse value error if value is integer & fix tmqError.py by @wangmm0220 in #34124
• feat: support create/drop totp_secret statement by @localvar in #34162
• enh: update keyword list by @localvar in #34177
• fix: groupagg with slimit by @facetosea in #34083
• docs: add connector compatibility desc by @sheyanjie-qq in #34181
• docs: remove tools and old downloads by @danielclow in #33927
• fix: enhance memory leak detection by adding ignore patterns and refactoring count functions by @tomchon in #34176
• Merge stream performance scene test script by @DuanKuanJun in #34139
• fix:add 3.3.8 ci test by @tomchon in #34189
• docs: update 2026 roadmap by @guanshengliang in #34194
• merge: from 3.3.6 to 3.3.8 by @guanshengliang in #34186
• fix: update branch references to 3.3.8 in workflow files by @tomchon in #34192
• fix: 6574866934 by @Pengrongkun in #34171
• fix:insert into stb subquery cross dnodes by @Pengrongkun in #34131
• merge: from 3.3.8 to main branch by @guanshengliang in #34196
• fix(udf): no decoding with error rsp by @stephenkgu in #34180
• fix: failed to run test_write_insert_select.py by @guanshengliang in #34211
• fix: no from query subplan type error by @dapan1121 in #34199
• docs: format udf doc by @danielclow in #34210
• fix:clientHbReq deserialize problem by @Pengrongkun in #34198
• fix: explain with no aggregate function window crash issue by @dapan1121 in #34201
• feat:stmt2 query free result by adapter by @Pengrongkun in #34155
• enh:stmt2 query free result by adapter by @Pengrongkun in #34214
• feat:stmt2 query free result by adapter by @Pengrongkun in #34200
• fix: correct syntax for checking existence of docs-c-test log file by @tomchon in #34191
• docs(log): modify doc of monitor by @wangmm0220 in #34213
• fix(client): heartbeat msg incompatible by @wangmm0220 in #34207
• fix(client): heartbeat msg incompatible by @wangmm0220 in #34208
• fix(client): fix the logic of reading slow log file if thers are \0\0 or other datas format in slow log file by @wangmm0220 in #34206
• Fix:client hb core by @Pengrongkun in #34221
• fix: wrong default value for password reuse time by @localvar in #34212
• feat: add option to force change default password by @localvar in #34165
• fix(stream/fetch): fix stream data fetching from runner by @stephenkgu in #34178
• fix(stream/fetch): fix stream data fetching from runner by @stephenkgu in #34170
• merge: from 3.3.6 to 3.3.8 by @guanshengliang in #34222
• fix: 3 bugs related to token and user by @localvar in #34219
• merge: from 3.3.8 to main by @guanshengliang in #34225
• fix: big offset error by @facetosea in #34183
• feat: add generate encrypt key at test framework. by @xiao-77 in #34182
• fix: allow_datetime cannot be set during create user by @localvar in #34226
• merge: from 3.3.6 to 3.3.8 branch by @guanshengliang in #34231
• enh(meta entry cache): cache switch and size control by @stephenkgu in #34014
• fix(query): init the stt block reader when returning the clean stt/da… by @hjxilinx in #34076
• case: submit test_user_security.py by @DuanKuanJun in #34184
• merge: from 3.3.6 to 3.3.8 by @guanshengliang in #34240
• fix:stmt2 memleak by @Pengrongkun in #34169
• merge: from 3.3.8 to main by @guanshengliang in #34243
• fix virtual table test cases by @Simon9997 in #34246
• Fix stream issues by @JinqingKuang in #34254
• fix: improve error handling during server startup in taoskeeper by @qevolg in #34249
• fix: improve error handling during server startup in taoskeeper by @qevolg in #34247
• feat(taosx): support xnode agent management sql by @acerDebugman in #34224
• fix: test_user_manager.py connect timeout test randomly failed by @DuanKuanJun in #34256
• case: TOTP Login ci case test_user_totp.py by @DuanKuanJun in #34257
• refactor: planning doc format with admonitions by @feici02 in #34262
• fix:add check transcation after new db by @tomchon in #34175
• fix:stmt2 query tbname bind problem by @Pengrongkun in #34174
• fix: taosd core while duplicate exec trim database wal. by @xiao-77 in #34267
• fix: taosd core while duplicate exec trim database wal. by @xiao-77 in #34268
• test: split compatibility case. by @xiao-77 in #34260
• merge: from 3.3.6 to 3.3.8 by @guanshengliang in #34274
• fix(stream): align version between tablelist and submit to avoid Invalid parameters if deleting table by @wangmm0220 in #34255
• fix: state window error when partition by tbname by @Tony2h in #34245
• enh(xnode): add column created_by and labels for xnode task by @acerDebugman in #34264
• docs: update branch in github links by @danielclow in #34234
• docs: remove udf links from headings by @danielclow in #34233
• docs: update release list component by @danielclow in #34281
• docs(pi): user,passwd,domain configurations #none by @zyyang90 in #34286
• fix: stmt2 memleak decimal by @Pengrongkun in #34278
• Test: add token login case test_user_token.py by @DuanKuanJun in #34277
• fix(xnode): update the third parameter of xDecodeCowStr from NULL to … by @acerDebugman in #34288
• fix(ci): remove keeper-related paths from workflow triggers by @tomchon in #34294
• fix(workflow): remove keeper tool from paths-ignore in new-framework-… by @tomchon in #34296
• fix: update workflow paths to include keeper and exclude specific test file by @tomchon in #34295
• Adjust virtual table's max ref table num. by @Simon9997 in #34284
• docs: update 338 pkglist by @danielclow in #34297
• docs: update 336 pkglist by @danielclow in #34289
• merge: from 3.3.6 to 3.3.8 branch by @guanshengliang in #34300
• fix: [6688991144] Push down time range condition. by @Simon9997 in #34282
• fix(stream): align version between tablelist and submit to avoid Invalid parameters if deleting table by @wangmm0220 in #34269
• fix: stmt varchar type leak by @Pengrongkun in #34265
• fix(case): case error in sometimes by @wangmm0220 in #34270
• fix(case): case error in sometimes by @wangmm0220 in #34238
• fix(timer): periodic latency in timer by @kailixu in #34285
• merge: from 3.3.6 to 3.3.8 by @guanshengliang in #34310
• fix(docs): improve space handling after emphasis markers in markdown rules by @tomchon in #34304
• docs(taosx): add Parquet data source support by @zitsen in #34279
• fix(keeper): encode TDengine username and password for special characters by @qevolg in #34292
• fix(keeper): encode TDengine username and password for special characters by @qevolg in #34293
• fix(keeper): encode TDengine username and password for special characters by @qevolg in #34291
• feat: implement token notification by @localvar in #34273
• fix: update installation and removal scripts for improved directory handling by @tomchon in #34172
• fix(install): remove redundant taosd installation checks and prompts by @tomchon in #34316
• mereg: from 3.3.8 to main by @guanshengliang in #34311
• fix: test_user_totp.py randomly failed by @DuanKuanJun in #34312
• merge: from 3.3.6 to 3.3.8 branch by @guanshengliang in #34321
• fix: fix three bugs by @localvar in #34314
• docs: update python docs by @qevolg in #34271
• feat: support encrypt bse , mnode , stream checkpoint. by @xiao-77 in #34197
• chore: remove useless avro doc by @sheyanjie-qq in #34330
• add test_user_manage_local.py case only can run on local by @DuanKuanJun in #34336
• merge: from 3.3.8 to main by @guanshengliang in #34339
• fix(stream): correct varchar literal length in json deserialization by @JinqingKuang in #34324
• fix(stream): correct varchar literal length in json deserialization by @JinqingKuang in #34325
• enh: improve documentation of white/black list by @localvar in #34334
• enh(xnode): support where condition for show xnode task/job/agent clause by @acerDebugman in #34315
• chore: fix xnoded path macro not exist for windows by @acerDebugman in #34349
• fix(tmq): case error in sometimes by @wangmm0220 in #34348
• fix:stmt large scale writing core by @Pengrongkun in #34338
• docs: add activation doc by @danielclow in #34287
• enh:stmt support interval opt by @Pengrongkun in #34354
• fix: [6657125318] Fix wrong terror defined. by @Simon9997 in #34350
• merge: from 3.3.6 to 3.3.8 by @guanshengliang in #34355
• enh: [6718786025] Optimize error code and error msg. by @Simon9997 in #34362
• fix: crash of time whitelist by @yihaoDeng in #34351
• fix(udf/setup): release udf resources when setup failed by @stephenkgu in #34333
• docs: mqtt data subscription link by @danielclow in #34253
• docs: cpp subscribe correction by @danielclow in #34252
• fix: [6719658649] Fix wrong show create virtual table output. by @Simon9997 in #34360
• fix: [6719658649] Fix wrong show create virtual table output. by @Simon9997 in #34359
• fix(stream): fix mgmt add new calc reader task by @JinqingKuang in #34358
• fix(stream): fix mgmt add new calc reader task by @JinqingKuang in #34357
• enh[manual-only]: add condition to skip tests for manual-only pull requests by @tomchon in #34369
• feat: taosk compatibility by @xiao-77 in #34343
• fix(xnode): fix memory leak when executing sql:drop xnode job where config=… by @acerDebugman in #34366
• docs(taosx): add section for exporting to parquet by @zitsen in #34378
• feat/6640154608-audit-encrypt-algo-doc-test by @cadem in #34367
• test: add more cases for user, token and totp by @localvar in #34368
• enh: add support for IPv6 dual-stack in transport layer and related tests by @yihaoDeng in #34370
• merge: from 3.3.8 to main by @guanshengliang in #34381
• enh: clarify and improve accuracy of error description for main by @facetosea in #34383
• docs: add docs for storage encryption. by @xiao-77 in #34377
• fix: only copy local hosts build dir when test failed by @tomchon in #34375
• fix: fix error when dynamically load model, and fix some bugs. by @hjxilinx in #34411
• enh: update installation script to correctly handle start-all.sh file by @tomchon in #34395
• fix compile err on windows by @yihaoDeng in #34399
• fix: add cmake build type parameter in build.bat by @tomchon in #34412
• fix: rename lag function by @facetosea in #34405
• fix: can not restart taosd while use encrypt meta data. by @xiao-77 in #34409
• docs: add TDengine TSDB MCP reference manual by @huskar-t in #34413
• fix: remove success log statements from various test cases to streamline output and reduce redundancy by @tomchon in #34408
• fix:refactor log messages in test cases to remove "successfully executed" for consistency by @tomchon in #34422
• fix: join crash issue by @dapan1121 in #34421
• enh: [6710694996] Eliminate virtual table scan operator. by @Simon9997 in #34415
• docs: update usage examples in TDengine TSDB MCP reference manual by @huskar-t in #34423
• feat: support alter key expiration time. by @xiao-77 in #34390
• enh: prohibit users from tampering with configuration files after data encryption takes effect by @xiao-77 in #34344
• [manual-only] enh(rbac): access control by @kailixu in #34259
• fix: update taosKeeper dependencies by @huskar-t in #34428
• fix: [6570595001] Add correct error handling logic. by @Simon9997 in #34088
• fix(tmq): decode heartbeat msg error if there is a consumer by @wangmm0220 in #34430
• fix(tmq): decode heartbeat msg error if there is a consumer by @wangmm0220 in #34429
• docs: update links in user and permission management documentation by @tomchon in #34437
• merge: from 3.3.6 to 3.3.8 branch by @guanshengliang in #34439
• feat/6747537673-add-doc-audit by @cadem in #34427
• merge: from 3.3.8 to main by @guanshengliang in #34440
• feat(stream): support true for row count limit by @JinqingKuang in #34342
• fix: auth may miss cache when check use db for insert by @kailixu in #34438
• docs(csharp): add bearerToken parameter for TDengine TSDB connection by @huskar-t in #34441
• fix: group_concat type error by @dapan1121 in #34444
• enh: check user name of consumer object directly. by @kailixu in #34445
• enh: support offline mode by @jiajingbin in #34446
• feat[manual-only]: support token auth when creating XNODE by @acerDebugman in #34419

Full Changelog: ver-3.4.0.0...ver-3.4.0.2