Improvements:

• dnode exit automatically after it is dropped by "drop dnode" command

Fixed Bugs:

• The result of "Show table distrubted" is not correct
• Unexpected NULL is returned when querying "partition by tag" with "interval" and "fill" clause
• Unexpected NULL is returned when querying "percentile" with "interval"
• Query failed after creating stream
• taosd crashed when starting on CentOS 7
• Duplicate values are returned when using nested query with group by
• taosd crashed in "taosGetCPUCores"
• taosd crashed when starting
• show tables/stables failed after granting write privilege
• Improper return code is returned by taosAdapter
• taosd crashed when doing "select count(*)"
• taosd failed to start with "illegal instruction" on CentOS 7
• taosBenchmark -I stmt failed on Windows 7
• taosd crashed on ARM64
• The result of stream processing is not correct
• taosBenchmark failed when using "-h " to write to TDengine

What's Changed

• test: update coverage test script by @xiaopingcs in https://github.com/taosdata/TDengine/pull/19040
• refact: adjust some sync log and func return type by @guanshengliang in https://github.com/taosdata/TDengine/pull/19038
• fix(query): check for buffer in first/last merge. by @hjxilinx in https://github.com/taosdata/TDengine/pull/19044
• refact: update sync log by @guanshengliang in https://github.com/taosdata/TDengine/pull/19050
• fix: fix percentile + interval res error by @dapan1121 in https://github.com/taosdata/TDengine/pull/19048
• enh: optimize converting timestamp at client side by @dapan1121 in https://github.com/taosdata/TDengine/pull/19032
• enh: support auth read or write by @dapan1121 in https://github.com/taosdata/TDengine/pull/19045
• fix: show tables/stables privilege error by @xiao-yu-wang in https://github.com/taosdata/TDengine/pull/19057
• fix: the mnode is also offline when dnode on it is offline by @guanshengliang in https://github.com/taosdata/TDengine/pull/19054
• enh: update taosadapter by @sunpe in https://github.com/taosdata/TDengine/pull/19052
• fix: heap-use-after-free while transfer snapshot between vnode replicas by @guanshengliang in https://github.com/taosdata/TDengine/pull/19068
• fix(query): update the blockInfo by @hjxilinx in https://github.com/taosdata/TDengine/pull/19067
• fix: heap-use-after-free while alter vnode replicas by @guanshengliang in https://github.com/taosdata/TDengine/pull/19069
• release: build 3.0.2.1 by @guanshengliang in https://github.com/taosdata/TDengine/pull/19058
• enh: add dropping and creating status for dnode by @guanshengliang in https://github.com/taosdata/TDengine/pull/19063
• fix:modify delete msg type to tmq meta by @wangmm0220 in https://github.com/taosdata/TDengine/pull/19074
• fix: convert err code by @yihaoDeng in https://github.com/taosdata/TDengine/pull/19073
• fix: interp takes too much time issue by @dapan1121 in https://github.com/taosdata/TDengine/pull/19060
• enh: adjust error code if transaction exec failed by @guanshengliang in https://github.com/taosdata/TDengine/pull/19083
• fix(tdb/abort): invalidate flushed pages in cache not on dirty tree by @stephenkgu in https://github.com/taosdata/TDengine/pull/19085
• fix: change log level to trace on missing entries in syncRespMgr by @bgzhao66 in https://github.com/taosdata/TDengine/pull/19087
• fix(query): add lock for cache. by @hjxilinx in https://github.com/taosdata/TDengine/pull/19076
• fix:timestampe is out of order by @54liuyao in https://github.com/taosdata/TDengine/pull/19092
• fix: fix time related function inconsistent result in nested queries by @glzhao89 in https://github.com/taosdata/TDengine/pull/19099
• fix: invalid interval query result by @dapan1121 in https://github.com/taosdata/TDengine/pull/19090
• test: modify test case for checking db ready by @plum-lihui in https://github.com/taosdata/TDengine/pull/19095
• fix(meta/malloc): use new aligned buffer pool malloc by @stephenkgu in https://github.com/taosdata/TDengine/pull/19093
• fix(query): set start row index for desc scan. by @hjxilinx in https://github.com/taosdata/TDengine/pull/19101
• Fix(tsdb): table block distributed totalSize is zero by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/19071
• enh: promp the dnode is already in dropping state while repeat drop it by @guanshengliang in https://github.com/taosdata/TDengine/pull/19106
• fix:modify delete msg type to tmq meta by @wangmm0220 in https://github.com/taosdata/TDengine/pull/19079
• fix: keepColumnName parameter changes the user alias by @xiao-yu-wang in https://github.com/taosdata/TDengine/pull/19108
• fix: skip msg by @cosmic-jc in https://github.com/taosdata/TDengine/pull/19122
• test: add test cases by @xiaopingcs in https://github.com/taosdata/TDengine/pull/19121
• enh: print ipstr on taos_connect by @guanshengliang in https://github.com/taosdata/TDengine/pull/19119
• fix(query): avg function support overflow sum value calculate by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/18960
• fix: fill null value issue by @dapan1121 in https://github.com/taosdata/TDengine/pull/19089
• fix: duplicated groups result in group by by @dapan1121 in https://github.com/taosdata/TDengine/pull/19104
• fix: interval + fill desc order result different issue by @dapan1121 in https://github.com/taosdata/TDengine/pull/19120
• enh: enh chartset convert by @yihaoDeng in https://github.com/taosdata/TDengine/pull/19127
• fix: handle except on taosd-client by @yihaoDeng in https://github.com/taosdata/TDengine/pull/19105
• refactor: do some internal refactor. by @hjxilinx in https://github.com/taosdata/TDengine/pull/19116
• fix(query): show sql len on systable length modify from 1024 to 2048 by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/19128
• fix(tdb/restore): seek jfd to begin by @stephenkgu in https://github.com/taosdata/TDengine/pull/19097
• fix: restart snapshot sender on receiver is restart by @guanshengliang in https://github.com/taosdata/TDengine/pull/19103
• fix:remove assert by @54liuyao in https://github.com/taosdata/TDengine/pull/19143
• fix(vnd): save vnode info at the begining of vnode prepare commit by @stephenkgu in https://github.com/taosdata/TDengine/pull/19140
• enh: handle error while transfer snapshot by @guanshengliang in https://github.com/taosdata/TDengine/pull/19149
• feat(rpc): return new error code TSDB_CODE_RPC_VGROUP_NOT_CONNECTED by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/19046
• fix(taosAdapter): invalid pointer on stack by @huskar-t in https://github.com/taosdata/TDengine/pull/19156
• fix:remove window operator assert by @54liuyao in https://github.com/taosdata/TDengine/pull/19153
• fix: ctg lock/unlock logic by @kailixu in https://github.com/taosdata/TDengine/pull/19158
• fix: handle error if sync buffer is full by @guanshengliang in https://github.com/taosdata/TDengine/pull/19160
• enh: check existence of SMsgHead in SSyncRaftEntry data or SRpcMsg pCont by @bgzhao66 in https://github.com/taosdata/TDengine/pull/19161
• chore: add comp postfix for taos-tools for 3.0.2.2 by @sangshuduo in https://github.com/taosdata/TDengine/pull/19171
• fix: taosbenchmark no vgroup if host specified for 3022 by @sangshuduo in https://github.com/taosdata/TDengine/pull/19181
• fix: add sem free and init log by @sangshuduo in https://github.com/taosdata/TDengine/pull/19192
• fix: disable fma by default for old cpu by @sangshuduo in https://github.com/taosdata/TDengine/pull/19208

Full Changelog: https://github.com/taosdata/TDengine/compare/ver-3.0.2.1...ver-3.0.2.2