ver-2.0.3.0   DOC: [TD- ] Updates for Java Connector markdown files [TD- ] Changed the description of quotation marks in password change [TD- ] Fix timestamp precision description. [TD- ] Improve building steps with specific linux distributions [TD- ] Improve the readme document with building steps [TD- ] Modify wallevel description in section 2 of Master/Slave vnode writing process [TD- ] Update TAOS SQL-ch.md [TD- ] Update faq-ch.md [TD- ] Fix some typo and expired content in documents. [TD- ] Add entrance for Lua connector introduction. FIX BUGS: [TD-804] refresh meta data if SQL cannot be parsed [TD-225] fix last query bug and add some function definitions. Add test cases, Fix compiler error. [TD-934] fix invalid SQL [TD-1248 TD-1044 TD-1247] fix crash in tcache.c [TD-1227] add test case [TD-1302] Interval query ignores the loading of data block, resulting in crash [TD-1278] fix bug: If the tag is too long, no error will be reported [TD-1250] Support the join of nchar [TD-1099] natual interval in stream and bug fix, natual month/year processing [TD-621] Looking for the hidden trouble of memory allocation failure in query process [TD-1173] Invalid account permission setting [TD-1247] crash while release hash obj [TD-1230] last_ Row supports time range filtering [TD-1257] Starting a non master node first may cause the cluster to be out of sync [TD-1090] compile error in windows [TD- ] Fixed a problem with crash_gen tool, so that it releases DB connections properly [TD- ] Update query api for Lua connector. [TD- ] All connectors should be updated since taos_query has been modified for thread safety. Only query api is updated, callback in stream is not yet. [TD- ] Fixed a major problem in crash_gen tool, now it properly releases DB connections [TD- ] daemon works with strict mode now. [TD- ] add docker repo link [TD- ] fix var/log/taos permission issue. [TD- ] add historyfile plug to access .taos_history file. [TD- ] Update query api for Lua connector. [TD- ] add more check on data compress and decompress [TD- ] updates for Java Connector NEW FEATURES: [TD-1256] Add description in faq for integrating network connectivity test into Taos program ENHANCEMENTS: [TD-1206] Optimizing the query performance of percentile with a new temporary file storage structure [TD-1204] Improve the performance of restful interface [TD- ] add natural interval support, now if query with: select count(*) from meters interval(1n); the actual interval is natural month instead of 30 days. here n is for natural month, and y is for natural year. [TD- ] last_row function supports time range filtering，and this time filter works as expected.

ver-2.0.2.2-beta   FIX BUGS: 1.Fix some bugs in fill query for super table. 2.Fix the crash while executing "show variables" command. 3.Fix JDBC memory leak whiling invoking the C native library. 4.The default output column name for arithmetic expression is set to the original user input. 5.Add some checks for memory allocation failure. NEW FEATURES: 1.The constant value column in select clause is supported. 2.The binary tags can be used as the join query condition for super tables. ENHANCEMENTS: 1.Optimized the last_row query performance. 2.Reducing the memory consumptions during the time interval query.

ver-2.0.2.2   try to release a version

ver-2.0.1.9   version 2.0.1.9

ver-2.0.2.1   1.fix jdbc bug;

ver-2.0.2.0   fix cluster bug for bawuxinxi

ver-2.0.1.1-ningsi   1.fix jdbc memory leak 2.adption for ningsiwq

ver-2.0.1.1   1.fix jdbc bug;

ver-2.0.1.0   1.fix sync bug; 2.fix jdbc bug;

ver-2.0.0.4   fix bug

ver-2.0.0.3   1.fix bug: no unlock in query

ver-2.0.0.2   1.fix query bug 2.fix insert bug 3.fix balance bug 4.add link for libtaos.so to /usr/lib64

ver-2.0.0.1   fixed bugs 1) JDBC driver bug. 2) modify monitor default to enable.

ver-2.0.0.0   https://www.taosdata.com/cn/documentation20/

ver-1.6.6.1   1..Fix bug: Crash due to null pointer when query;

ver-1.6.6.0   1.Fix bug: limit/offset clause error when query; 2.Fix bug: Crash due to bad SQL(?;); 3.Fix bug:If there is no result after query filtering, it will crash; 4.New feature: union query between super tables;

ver-1.6.5.9   update version info

ver-1.6.5.8   [update version info]

ver-1.6.5.7   1. Fix bug: Grafana queries tdengine for illegal memory access 2. Fix bug: not active session 3. The show accounts command supports the use of non root accounts. 4. Fix bug: After the two servers cluster and the masterip machine goes down, no heartbeat causes the power or Taos connection to fail 5. Fix bug: When the client specifies a database login that does not exist, it causes taosd crash. 6. Fix bug: Synchronization failed after version upgrade from v1.6.4 to v1.6.5. 7. Fix code issues reported by coverage scan

ver-1.6.6.2-beta   1. Fix bug: Pointer is not assigned, resulting in crash 2. The show accounts command supports the use of non root accounts. 3. Fix bug: After the two servers cluster and the masterip machine goes down, no heartbeat causes the power or Taos connection to fail 4. Fix bug: When the client specifies a database login that does not exist, it causes taosd crash. 5. Fix bug: Synchronization failed when taosd start. 6. Fix code issues reported by coverage scan