ver-2.1.3.2

ver-2.1.3.0

release/ver-2.1.2.0

ver-2.1.2.0

ver-2.1.1.0   Release Notes FIX BUGS: [TD-4170]:improve skiplist rand performance [TD-3197]: taosdemo and taosdump coverity scan issues. (#6004) [TD-3639]: compare timestamp with datetime in python (#5990) [TD-3857]: taosdump database properties. (#6019) [TD-3857]: taosdump database properties. (#6020) [TD-3902]: taosdemo subscribe. (#6028) [TD-3914]: taosdemo input argument validation. (#6097) [TD-3992]: taosdemo subscribe. (#6035) [TD-4001]: taosdemo restful segfault. (#5962) [TD-4005]: fix repeated vnode open when tsdb state not ok [TD-4035]: taosdemo more checking for prevent value out of scope. (#5992) [TD-4048]: fix python connector error where ts is null (#6018) [TD-4054]: taosdump wrong column note length. (#5996) [TD-4056]: fix possible char string buffer length overflow [TD-4060]: taos shell startup message. (#6009) [TD-4060]: taos shell startup message. (#6010) [TD-4070]: taosdemo use friendly msg if the setting has improper values. (#6040) [TD-4070]: taosdemo use friendly msg if the setting has improper values. (#6041) [TD-4073]: taosdemo rest query output to result file. (#6072) [TD-4081]: fix vnode confirm forward missing response & write msg freeing [TD-4081]: fix vnode dropping [TD-4081]: [v3] fix vnode closing [TD-4081]: vnode not close if dropped [TD-4083]: taosdemo query times need be more than 0. (#6038) [TD-4083]: taosdemo query times need be more than 0. (#6039) [TD-4089]: fix systemd sent SIGKILL before taosd shutdown normally (#6101) [TD-4095]: taosdump long tablename. (#6076) [TD-4095]: taosdump long tablename. (#6077) [TD-4130]: taosdemo subscribe stable. (#6090) [TD-4130]: taosdemo subscribe super table. (#6086) [TD-4136]: taosdemo max records per req < 32767 (#6082) [TD-4136]: taosdemo max records per req < 32767 (#6118) [TD-4136]: taosdemo records per req more than 32767. (#6087) [TD-4144]: add subscribe test cases [td-4147]: report error if the column name is too long. [TD-4158]: taosdemo cmake failed with low version git. (#6106) [TD-4158]: taosdemo cmake failed with low version git. (#6107) [TD-4160]: remove python connector soft links, fix tests and documents [TD-4173]: compile failed with gcc 4.8.5 on centos7. (#6111) [TD-4205]: fix drone ci error [td-4209]: add the uid check for super table metadata that is already cached in local buffer. [TD-4228]: fix install error when grafana submodule not ready (#6151) [TD-4232]: fix vnode queueWMsg & queuedWMsgSize counting under flow ctrl [TD-4240]: taosdemo subscribe more than max query sql count. (#6154) [TD-4240]: taosdemo subscribe more than max query sql count. (#6157) [TD-4258]: speedup nodejs fetchall() with taos_fetch_block (#6163) [TD-4258]: speedup nodejs fetchall() with taos_fetch_block (#6165) [TD-4272]: taosdemo specify columns. (#6173) [TD-4272]: taosdemo specify columns. (#6174) [TD-4296]: taosdemo sub keepProgress. (#6201) [TD-4808]: fix python connector error where ts is null (#6025) ENHANCEMENTS: [TD-182]: use single repo for python connector (#6036) [TD-3948]: insert syntax - specify columns after supertable tags [TD-4152]: taosdemo reduce prompt and query systeminfo. (#6094) [TD-4152]: taosdemo reduce prompt and query systeminfo. (#6108) [td-4175]: improve the error message while the binary string overflow. [TD-4224]: reduce grafana module size in packaging (#6146) NEW FEATURES: [TD-3746]:save grant objects to monitor database [td-4038]: support column data batch bind. [TD-4068]: taosdemo supports stmt interface. [TD-4068]: taosdemo support stmt interface. [TD-4198]: support AddressSanitizer on windows. (#6132) DOCS: [TD-2639]: fix typo about "taos_open_stream". [TD-2639]: update "stime" parameter in "taos_open_stream" func. [TD-4092]: describe "SHOW CREATE" series of commands. [TD-4202]: fix Grafana plugin installation directory. TEST: [TD-3663]: add test case for docker cluster [TD-3998]: add taodemo-testcase that inserting too many rows won't make ts disorder [TD-4017]: add test case [TD-4037]: add taodemo-testcase that childtable_count is less than or equal zero and num_of_records_per_req is equal zero [TD-4179]: add test case [TD-4263]: update performance test script

ver-2.0.20.4   ver-2.0.20.4

ver-2.1.0.1   release/ver-2.1.0.1

ver-2.0.20.3   ver-2.0.20.3

ver-2.1.0.0   Release Notes FIX BUGS: [TD-2915]: python connector cursor iter next() function. (#5875) [TD-3580]: taosdump support human readable time format. (#5888) [TD-3639]: compare timestamp with datetime in python (#5940) [td-3779]: fix bug during filter data block when handling last query. [TD-3801]: taosdump coverity scan issue. (#5844) [TD-3827]: taosdemo query argument miss lead segfault. (#5848) [TD-3833]: taosdemo command line argument miss lead segfault. (#5859) [TD-3850]: fix vnode write enqueue flowctrl UAF & no response [TD-3851]: taosdemo performance boost. (#5857) [TD-3872]: fix taosGetDiskSize statvfs input directory bug [td-3874]: enable the value of UINT64_MAX-1 to be the valid tag values. [td-3878]: fix the unsigned number bug in group by query. [TD-3880]: C# driver test miss unsigned type. (#5871) [TD-3883]: [http/clear parser] clear parser when decode finished [TD-3906]: taosdemo back to 4 INT columns. (#5883) [TD-3909]: [http/race] fix singleCmd race issue [TD-3913]: mips compile support. (#5894) [TD-3914]: taosdemo input argument validation. (#5899) [TD-3915]: reduce taos client diagnose output. (#5898) [TD-3944]: make default offline threshold to 10 days. (#5912) [TD-3944]: make default offline threshold to 10 days. (#5913) [td-3951]: check the input value of big int which is overflowed. [TD-3968]: taosdemo data length should be 16*1024 (#5926) [TD-3969]: taosdemo re-enable batch-create-tbl-num (#5932) [TD-3985]: taosdemo timestamp step overflow. (#5946) ENHANCEMENTS: Revert "[TD-3079]: use multi-level storage with vnode's wal files" [TD-3572]: response out of dnodes if #dnodes <= maxDbReplica [td-3941]: refactor having operator. [TD-3983]: update driver-go submodule to latest (#5945) NEW FEATURES: [td-2859]: support nest query. DOCS: [TD-1316]: "apercentile" func can be applied on super table. [TD-2639]: fix lib name typo. [TD-2639]: fix minor typo. [TD-2639]: fix url link format. [TD-2639]: remove ambiguous description about select expression. [TD-2639]: update description about performance testing tools for inserting. [TD-3611]: fix description about function top & bottom. [TD-3666]: add notes about Binary type. [TD-3666]: distinguish bytes & chars in length calculation. [TD-3666]: should avoid storing multi-bytes chars in Binary. [TD-3666]: update description about Binary column. [TD-3869]: add notes about "TAOS_SUBSCRIBE_CALLBACK". [TD-3944]: update default value for "offlineThreshold". [TD-3984]: describe "union all" clause. [TD-850]: describe limitation about calculation between columns. [TD-850]: describe usage limitation about calculation expression. [TD-850]: fix typo. TEST: [TD-3414]: add insert function with json files of taodemo-testcase [TD-3414]: add insert function with json files of taodemo-testcase -repeat [TD-3453]:modify filepath in scripts [TD-3800]: add test case for query last(*) [TD-3937]: add taosdemo performance test compare scripts

ver-2.0.20.2   Release Notes FIX BUGS: [TD-3639]: compare timestamp with datetime in python (#5990) [TD-4001]: taosdemo restful segfault. (#5962) [TD-3985]: taosdemo timestamp step overflow. (#5946) [TD-3969]: taosdemo re-enable batch-create-tbl-num (#5932) [td-3951]: check the input value of big int which is overflowed. [TD-3968]: taosdemo data length should be 16*1024 (#5926) [TD-3944]: make default offline threshold to 10 days. (#5912) [TD-3850]: fix vnode write enqueue flowctrl UAF & no response [TD-3914]: taosdemo input argument validation. (#5899) [TD-3915]: reduce taos client diagnose output. (#5898) [TD-3913]: mips compile support. (#5894) [TD-3580]: taosdump support human readable time format. (#5888) [TD-3906]: taosdemo back to 4 INT columns. (#5883) [TD-3909]: [http/race] fix singleCmd race issue [TD-3883]: [http/clear parser] clear parser when decode finished [TD-2915]: python connector cursor iter next() function. (#5875) [td-3878]: fix the unsigned number bug in group by query. [td-3874]: enable the value of UINT64_MAX-1 to be the valid tag values. [TD-3872]: fix taosGetDiskSize statvfs input directory bug [TD-3833]: taosdemo command line argument miss lead segfault. (#5859) [TD-3851]: taosdemo performance boost. (#5857) [TD-3827]: taosdemo query argument miss lead segfault. (#5848) [TD-3801]: taosdump coverity scan issue. (#5844) ENHANCEMENTS: [TD-3948]: insert syntax - specify columns after supertable tags [TD-3983]: update driver-go submodule to latest (#5945) [TD-3572]: response out of dnodes if #dnodes <= maxDbReplica NEW FEATURES: DOCS: TEST: [TD-3937]: add taosdemo performance test compare scripts [TD-3453]:modify filepath in scripts [TD-3414]: add insert function with json files of taodemo-testcase [TD-3414]: add insert function with json files of taodemo-testcase -repeat [TD-3800]: add test case for query last(*)

ver-2.1.0

ver-2.0.20.0   Release Notes FIX BUGS: [TD-2976]: check 1970 timestamp support in C# taosdemo (#5813) [TD-3162]: taos shell command line arugments. (#5810) [TD-3204]: support usigned integer types for C# connector (#5808) [TD-3317]: taosdemo interlace insertion. (#5774) [td-3350]: Remove the illegal abort operation in case of multithread environment for sim. [TD-3579]: sort mnode syncCfg nodeInfo to fix leader election failure [TD-3607]: fix taosdemo limit and offset. (#5707) [TD-3636]: fix taosdemo outorder range algorithm. (#5736) [td-3664]:fix bug in top/bottom query. [TD-3681]: fix syncdb precondition checkings [TD-3682]: Insufficient disk space may cause oom [TD-3683]: reduce buffer size for more stable table creation. (#5719) [TD-3683]: reduce buffer size for more stable table creation. (#5720) [TD-3705]: taosdemo columns or tags count overflow. (#5745) [TD-3705]: taosdemo columns or tags count overflow. (#5745) (#5760) [TD-3706]: [mnode] validate super table columns and tags count [TD-3710]: [sync/memory] fix peer connection invalid read post freeing [TD-3715]: taosdemo interlace rows must less than insert rows. (#5743) [TD-3722]: taosdemo performance regression due to always set random seed. (#5740) [TD-3733]: taosdemo buffer processing refactor. (#5766) [TD-3741]: python test case on arm32. (#5767) [TD-3752]: taosdemo columns+tags+ts must less then 1024. (#5782) [TD-3758]: fix setnull throw exception when jdbcType is OTHER (#5797) [TD-3766]: fix fsync alter calculation [TD-3775]: taosdemo interlace rows more than insert rows. (#5819) [TD-3783]: taosdemo for windows generates rand string invalid. (#5828) ENHANCEMENTS: [TD-3079]: use multi-level storage with vnode's wal files [td-3571]: enable update the vgroup info during super table query. [TD-3606]: When adding a new node to the cluster, the locale and charset are no longer checked NEW FEATURES: [TD-3762]: support us and ms percision for timestamp in JDBC (#5818) DOCS: [TD-2577]: "GROUP BY" add "HAVING" support. [TD-2639]: add keyword "topic". [TD-2639]: fix version num of long term support release. [TD-3028]: add service ports section in faq. [TD-3412]: create docker version for "getting start". [TD-3412]: fix minor typo. [TD-3606]: locale & charset options will not be checked when dnode add to cluster. [TD-3672]: update C# connector environment support. [TD-3754]: correct the meaning of slimit option. [TD-3755]: describe the columns num limitation in selecting. TEST: [TD-2986]: add demo example into CI [TD-3676]: add test case [TD-3677]: test pr message 1 [TD-3677]: test pr message 2 [TD-3677]: test pr message 3 [TD-3796]: test null value in JDBC-JNI

ver-2.0.19.1   Release Notes FIX BUGS: [TD-3601]: fix early 1970 time problem [TD-3534]: fix TD-3534 [TD-3465]: fix TD-3465 [TD-3298]: fix coverity scan error [td-3662]: fix invalid write caused by top/bottom query. [TD-3580]: taosdump support human readable time format. (#5674) [TD-3636]: taosdemo disorder rework. (#5671) [TD-3660]: taosdemo gracefully exit if super table not exist. (#5670) [TD-3657]: sdbUpdateMnodeRoles before check mnodeAllOnline [TD-3458]: Fix the bug of losing tables in multiple replicas [TD-3653]: taosdemo json parameter cleanup. (#5665) [TD-3641]: fix interlace timestamp step issue. (#5654) [TD-3642]: fix staging directory resource leak [TD-3417]: remove.sh stop and delete the nginxd.service for enterprise edition (#5617) [TD-3612]: fix vnode write msg double free issue [td-3457]: fix the bug that cancel request failed to stop query at vnodes. [td-3571]: fix null value filter bug for bool type. [TD-3314]: new staging directory for deleting vnodes [TD-3284]: taosdemo support fixed value tag. (#5632) [TD-3598]: cleanup few code lines. (#5622) [TD-3591]: rework limit and offset logic. (#5618) [TD-3589]: taosdemo need to use db before query. (#5612) [TD-3577]: taosdemo print stb insert interval. (#5610) [TD-3592]: fix dnode ID syntax in drop dnode <dnode_id> [TD-3576]: taosdemo print query times. (#5609) [TD-3581]: fix uniq/dnode/remove2.sim step3 [TD-3449]: fix drop if not exists error [TD-3544]: move query times detect to query meta file parse. (#5597) [TD-3546]: fix taosdemo quer crash as index variable mistake. (#5598) [TD-3524]: taosdemo query multithreading workaround. (#5587) [TD-3185]: default numOfCommitThreads to 4, show in cfg template [TD-3478]: increase thread num of table creation same as insert… (#5577) [TD-3472]: fix query times determination miss. (#5576) [TD-3321]: describe stb with better logic. (#5559) [TD-3349]: maxSQLLength <- TSDB_MAX_ALLOWED_SQL_LEN; minTablesPerVnode, tableIncStepPerVnode <- 100 [TD-3357]: fix child table count if exists. (#5542) [TD-3433]: fix child table count issue. (#5552) [TD-3407]: print more info to result file. (#5538) [td-3391]: fix invalid error msg. [TD-3431]: fix taosdemo cmdline incorrect arguments. (#5536) ENHANCEMENTS: NEW FEATURES: [TD-3410]: support nutz framework (#5600) [TD-3402]: taosdemo version. (#5574) [TD-3036]: syncdb <db_name> replica; [td-3036]: support the db sync operator. DOCS: [TD-2639]: fix minor typo. [TD-3649]: fix minor typo. [TD-3649]: update compatibility about HuaWei EulerOS. [TD-3645]: add description about dimension microsecond in timestamp. [TD-2518]: timestamp add support for time before year 1970. [TD-3624]: fix minor typo. [TD-3573]: add timezone section in faq. [TD-2639]: add descriptions about database options that can be altered. [TD-2639]: add a little space for better display format. [TD-2639]: fix bold text in table title. [TD-2639]: add detail about firstEp. [TD-2639]: fix minor typo. [TD-2639]: update memory size estimation. [TD-3430]: cmake minimal version is 2.8.12.x. [TD-2639]: clarify the length limitation of tags. TEST: [TD-3588]: update test case [TD-3602]: update perf test script [TD-3602]: update perf test script [TD-3474]: add test case [TD-1139]: add c examples into CI [TD-3413]: make docker cluster support enterprise [TD-3274]: add test case for after 1970 years

ver-2.0.19.0   Release Notes FIX BUGS: [TD-3601]: fix early 1970 time problem [TD-3534]: fix TD-3534 [TD-3465]: fix TD-3465 [TD-3298]: fix coverity scan error [td-3662]: fix invalid write caused by top/bottom query. [TD-3580]: taosdump support human readable time format. (#5674) [TD-3636]: taosdemo disorder rework. (#5671) [TD-3660]: taosdemo gracefully exit if super table not exist. (#5670) [TD-3657]: sdbUpdateMnodeRoles before check mnodeAllOnline [TD-3458]: Fix the bug of losing tables in multiple replicas [TD-3653]: taosdemo json parameter cleanup. (#5665) [TD-3641]: fix interlace timestamp step issue. (#5654) [TD-3642]: fix staging directory resource leak [TD-3417]: remove.sh stop and delete the nginxd.service for enterprise edition (#5617) [TD-3612]: fix vnode write msg double free issue [td-3457]: fix the bug that cancel request failed to stop query at vnodes. [td-3571]: fix null value filter bug for bool type. [TD-3314]: new staging directory for deleting vnodes [TD-3284]: taosdemo support fixed value tag. (#5632) [TD-3598]: cleanup few code lines. (#5622) [TD-3591]: rework limit and offset logic. (#5618) [TD-3589]: taosdemo need to use db before query. (#5612) [TD-3577]: taosdemo print stb insert interval. (#5610) [TD-3592]: fix dnode ID syntax in drop dnode <dnode_id> [TD-3576]: taosdemo print query times. (#5609) [TD-3581]: fix uniq/dnode/remove2.sim step3 [TD-3449]: fix drop if not exists error [TD-3544]: move query times detect to query meta file parse. (#5597) [TD-3546]: fix taosdemo quer crash as index variable mistake. (#5598) [TD-3524]: taosdemo query multithreading workaround. (#5587) [TD-3185]: default numOfCommitThreads to 4, show in cfg template [TD-3478]: increase thread num of table creation same as insert… (#5577) [TD-3472]: fix query times determination miss. (#5576) [TD-3321]: describe stb with better logic. (#5559) [TD-3349]: maxSQLLength <- TSDB_MAX_ALLOWED_SQL_LEN; minTablesPerVnode, tableIncStepPerVnode <- 100 [TD-3357]: fix child table count if exists. (#5542) [TD-3433]: fix child table count issue. (#5552) [TD-3407]: print more info to result file. (#5538) [td-3391]: fix invalid error msg. [TD-3431]: fix taosdemo cmdline incorrect arguments. (#5536) ENHANCEMENTS: NEW FEATURES: [TD-3410]: support nutz framework (#5600) [TD-3402]: taosdemo version. (#5574) [TD-3036]: syncdb <db_name> replica; [td-3036]: support the db sync operator. DOCS: [TD-2639]: fix minor typo. [TD-3649]: fix minor typo. [TD-3649]: update compatibility about HuaWei EulerOS. [TD-3645]: add description about dimension microsecond in timestamp. [TD-2518]: timestamp add support for time before year 1970. [TD-3624]: fix minor typo. [TD-3573]: add timezone section in faq. [TD-2639]: add descriptions about database options that can be altered. [TD-2639]: add a little space for better display format. [TD-2639]: fix bold text in table title. [TD-2639]: add detail about firstEp. [TD-2639]: fix minor typo. [TD-2639]: update memory size estimation. [TD-3430]: cmake minimal version is 2.8.12.x. [TD-2639]: clarify the length limitation of tags. TEST: [TD-3588]: update test case [TD-3602]: update perf test script [TD-3602]: update perf test script [TD-3474]: add test case [TD-1139]: add c examples into CI [TD-3413]: make docker cluster support enterprise [TD-3274]: add test case for after 1970 years

ver-2.0.18.2   hotfix 2.0.18.2

ver-2.0.17.4

ver-2.0.18.0   Release Notes FIX BUGS: [TD-3353]: solve race condition coredump [TD-3320]: fix sync coredump [TD-3370]: fix used disk size, show acctual used instead of non-avail to current user [TD-3369]: fix taosdemo invalid write valgrind reports. (#5496) [td-3361]: fix crash caused by nchar type filter. [TD-3356]: fix bug regarding limit offset with exist child table. (#5495) [TD-3357]: fix child table count if exists. (#5488) [TD-3355]: Fix invalid table id problem caused by idpool [td-3361]: nchar tag filter caused client crash. [TD-3337]: [balance] fix pVgroup->pDb NULL pointer crash [TD-3332]: vnode report status if not closing instead of not ready [td-3338]: query data before 1970-1-1 00 [td-3318]: fix crash caused by empty stddev query. [td-3183]: fix unsigned number arithmetic calculation with sort option caused crash. [td-3331]: print timestamp format error. [td-3315]: enable insert timestamp in the format of string '1970-1-1 8 [td-3313]: fix join bug ENHANCEMENTS: NEW FEATURES: [TD-3082]: jdbc connector support unsigned tinyint, smallint, int, bigint (#5447) [TD-3192]: support child table limit and offset. [TD-3192]: support child table limit and offset. DOCS: [TD-2639]: fix link url detail. [TD-2354]: need reboot to take effect when alter CACHELAST option. [TD-2639]: improve expression of some sentences. [TD-3363]: fix typo. [TD-3352]: move "quick run" section into "install" part. [TD-2639]: clarify "now" function usage when insert multi-rows. [TD-2639]: clarify estimation of memory requirement. [TD-3336]: update description about "make install" and start service. TEST: [TD-3365]: update test case [TD-3365]: add test case for query filter on tag type [TD-3316]: add testcase for taosdemo child table limit and offset. [TD-1002]: add test case for double type

ver-2.0.17.0   Release Notes FIX BUGS: [TD-3154]: fix invalid write [TD-3096]: fix query dead lock [TD-3075]: fix SBlockCol offset overflow [TD-3147]: support insert interval. stb case passed. [TD-3147]: support insert interval. use seperate func for normal table write. [TD-3177]: fix demo.c checking result error mistake. [TD-3171]: response error code if any [TD-3142]: fix JDBC-RESTful back ResultSet with null Type [TD-3147]: support insert interval. refactor. [TD-3147]: support insert interval. support no-stb in middle. [TD-3147]: support insert interval. support no-stb in middle. [TD-3147]: support insert interval. merge upstream. [TD-3147]: support insert interval. json works. [TD-3110]: TSDB_MIN_WAL_LEVEL <- 0 to allow db wal no log [TD-3167]: fix cannot use chinese charset in docker images [TD-3158]: fix http column_meta test cases [TD-3158]: replace head_type with column_meta in http response [TD-3147]: support insert interval instead of insert rate. cleanup [TD-3147]: support insert internal instead of insert rate. [TD-3043]: allow monitor db table to be dropped & altered [TD-3160]: fix c demo program compile issue. [TD-3147]: change insert rate to insert interval. [TD-3042]: fix unsigned to signed conversion with serverPort [TD-3124]: stop & free TAOS_RES *result post http queue shutdown [td-3141]: fix the crash of taosd caused by a percentile query on the unsigned numeric data type. [TD-3113]: remove curl from TDengine. fix linux compile issue. [TD-3113]: remove curl from TDengine. fix windows compile issue. [td-3016]: fix sum error for unsigned data type. [TD-3117]: fix taosdemo coredump led by cntDelay. [TD-2183]: fix coverity scan issue in taosdemo and taosdump. [TD-3107]: handle *Too many sync fwd infos* error crash with batch create table [TD-2210]: use LWP tid. remove few darwin-related code. [TD-3113]: remove curl from TDengine. fix compile for mac [TD-2210]: use LWP tid. fix assertion on mac. [td-3016]: fix unsigned sum error. [TD-2008]: min(tsHttpMaxThreads) <- 2, default(tsHttpMaxThreads) <- half of tsNumOfCores [TD-3073]: fix syncing role not displayed issue [TD-3085]: support insert speed info. [td-3009]: diff can not be applied to unsigned numeric data type. [td-3001]: fix tag filter bug in case of unsigned number existing. [td-3021]: fix the sql of creating table parsing failed if more than one space exists. [td-3027]: fix bugs in alter table by adding unsigned tags. [td-3003]: fix the bug in alter table. [td-3012]: fix error of the leastsquares in handling unsigned data. [td-3017]: fix bug in top/bottom query on unsigned data type. [td-3018]: fix bug in twa query on unsigned data type. [td-3013]: fix bug in unsigned bigint max/min query. [TD-3064]: fix wal file size(>2G) overflow with int32_t [TD-3068]: When the creation of log file fails, the length of old log grows infinitely [TD-3061]: fix compile issue for arm32 and windows. [TD-2984]: combine taosdemo and taosdemox. add perf statistics. [TD-3037]: disable balance for enterprise user. [TD-3038]: fix incorrect disk free size calculation [TD-2984]: combine taosdemo and taosdemox. fix ansi escape for windows. [TD-3031]: fix NULL parser crash [td-3014]: fix error in spread function when applying to unsigned values. [td-3035]: fix bug in projections query on super table with filter condition. [TD-2984]: combine taosdemo and taosdemox. modify test case for new schema. [TD-2999]: [http] fix NULL parser crash [TD-2984]: combine taosdemo and taosdemox. solve windows build issue. [TD-2996]: reset pContext->singleCmd to zeroes when httpReleaseContext(pContext, true) [TD-2982]: disable rpmbuild auto detect dependency [TD-2969]: fix rust example submodule issue. ENHANCEMENTS: [TD-3158]: add head_type fileds with RESTful API [TD-3044]: log *check global cfg completed* to grep count start times [TD-2955]: [wal][v2] checksum whole wal record instead of just head NEW FEATURES: [TD-3173]: java taosdemo can execute one sql statement by commandline [TD-3148]: make build system detect host arch. [TD-3148]: make build system detect host arch. add other variables. [TD-3148]: make build system detect host arch. detect amd64 and x86 [TD-3148]: make build system detect host arch. detect aarch32 [TD-2868]: JDBC-RESTful support PreparedStatement and addBatch [TD-2868]: JDBC-Restful supported PreparedStatement [TD-2971]: make python connector support unsigned int. fix None determine. DOCS: [TECO-43]: transfer Chinese docs to grav cms system. [TD-3157]: update readme regarding host arch detecting. [TD-2639]: fix title number in faq page. [TD-2639]: fix minor typo about EndPoint options. [TD-2008]: update default value for option httpMaxThreads. [TD-3114]: refine centos environment package list [TD-2639]: add description about normal node can redirect to mnode to provide mnode EP list. [TD-2639]: clarify keyword stable support relate to system version. [TD-2639]: Binary column should only store ASCII string. [TD-2639]: fix minor typo. [TD-2354]: describe option for caching table last row. [TD-2639]: fix link to replica doc. [TD-2639]: fix case sensitive things. [TD-2423]: allow create table from super table with just specific tag columns. [TD-2639]: move insert example to be the right place. [TD-203]: emphasize the best practice about connection sharing in multi threads. [TD-2568]: describe new commands about client log management. [TD-2863]: change the unit of measurement for config tsQueryBufferSize. TEST: [TD-1977]: add query unit test into CI [TD-3155]: add test case [TD-3154]: update test case [TD-3069]: add test case [TD-2953]: add jdbc cases into CI [TD-2423]: add test case [TD-2977]: add test case [TD-2846]: update docker cluster scripts

ver-2.0.16.0   Release Notes FIX BUGS: [TD-2887]: fix possible race condition coredump [TD-2962]: fix pContext NULL crash [TD-2886]: change the error code if the table has been removed and created again with different table schema before issuing query to a vnode.[TD-2910]: fix onlineDnodes > totalDnodes issue [TD-2643,TD-2925]: update sim test case and JDBCDemo doc [TD-2925]: rename keep2,keep1 -> keep1,keep0 [TD-2936]: change default path to follow mac standard. [TD-2923]: Not show databases in dropping [TD-2822]: fix invalid result set pointer bugs [TD-2875]: comment out stderr print to make crash_gen no Killed [TD-2918]: delet stable in mnode first before send dnode drop stable msg [TD-2402]: remove WINDOS macro related code in ttimer [TD-2402]: set rows <- 1 constantly when update http sql return success [TD-2901]: fix bug taosdemo with mono compiled does not exit. [TD-2402]: set rows <- 1 constantly when update http sql return success [TD-2885]: fix memory leak. [TD-2893]: fix http invalid url error typo. [TD-2875]: use monotonic clock source to fix leap-second issue ENHANCEMENTS: NEW FEATURES: [TD-2931]: add -y parameter to skip prompt. [TD-2771]: python version taosdemo. add native interface [TD-2005]: add ErrorNumber in JDBC driver [TD-2891]: get process cmdline by pid on mac. [TD-2555]: super table query support stddev query. DOCS: [TD-2639]: fix typo in example of alter table tags. [TD-2639]: fix software version number about STDDEV() on super table. TEST: [TD-2568]: add test case [TD-1351]: add test case [TD-2671]: add test case for STABLE [TD-2850]: add test case [TD-2801]: add test case

ver-2.0.15.0   Release Notes FIX BUGS: [TD-2873]: fix JdbcRestfulDemo.java compile issue. [TD-2541]: optimized the connection pool demo codes [TD-2597]: fix Druid and HikariCP configurations [TD-2793]: fix -p <password> option of taos.exe [TD-2845]: new -V option to taos.exe [TD-2827]: fix JDBC-RESTful resultSet and restSetMetaData bugs [TD-2839]: set tsOfflineThreshold max <- 86400 * 365 [TD-2839]: fix tsOfflineThreshold code comments [TD-2832]: use httpDecodeUrl to parse reserved characters after percent-encoding [TD-2696]: fix RFC3339 timestamp bug. [TD-2790]: fix the bug that tableMeta is not updated if parse error occurs. [TD-2445]: dump toasd process cfgs [TD-2805]: null pointer checking [TD-2808]: fix http password len [TD-2794]: fix authentication failed with changed password [TD-2794]: fix authentication failed with changed password [TD-2718]: new create multiple tables test cases [TD-2490]: add check for full table name. [TD-2697]: fix buffer overflow [TD-2769]: make nodejs connector use napi to support v10 and v12. [TD-2769]: lock ref-napi version to 1.5.2. [TD-2788]: fix two telemetryReporting options in taos.cfg. [TD-2769]: update package json files. [TD-1600]: return error code to client if importing data from file failed. [TD-2778]: fix invalid read during merge data in both buffer and data files. [TD-2777]: fix potential risk to execute rm -rf / [TD-2769]:nodejs 12+ adapt [TD-2247]: fix invalid sql caused client crash. ENHANCEMENTS: [TD-2785]: Allow to judge the status of sync and arbitrator ports [TD-2759]: remove 1s additional check peer conn timer interval NEW FEATURES: [TD-109]: support mac compile with xcode11.4 in travis CI. enable in .travis.yml [TD-109]: support mac compile with xcode11.4 in travis CI. redefine MSG_NOSIGNAL [TD-2339]: interpolation can be applied along with the time window. [TD-2776]: add stable infos in getTables method [TD-2635]: support next fill option. DOCS: [TD-1413]: enterprise edition support multi-layer storage now. [TD-2571]: add new keyword DISTINCT to select different values of tag column in super table. [TD-2852]: add Mac platform compiling section to the README.md. [TD-2829]: refine Windows compiling section of README.md [TD-2639]: twa() do not support super table in current version. [TD-2639]: remove unessential emphasis. [TD-2639]: fix indent of doc. [TD-2639]: fix escape code type error. [TD-2671]: Super Table will use keyword "STABLE" since now. [TD-2639]: remove one misplaced doc. [TD-2639]: distinguish the concept Arbitrator and the command tarbitrator. [TD-2757]: fix description about VNode mem cache. [TD-2775]: update faq regarding UPDATE parameter. [TD-2763]: remove outdated description. [TD-2555]: STDDEV() support calculation on super table. [TD-2639]: fix minor typo. [TD-2639]: fix a code format. [TD-2639]: fix minor typo. [TD-2775]: add update to faq, fix minor typo. [TD-2775]: add update to faq. TEST: [TD-2672]: optimized the JDBC test cases [TD-2700]: add test case [TD-2635]: add test case [TD-1024]: add test case [TD-2720][TD-2247]: add test case [TD-2451]: add test case [TD-2695]: change jdbc unit test cases