fix: fix doc select clause issue

refactor idx code

refactor(taosx): filter meta

feat: update taostools for3.0

* feat: update taos-tools d2b5dec for 3.0

* test: remove 'show vnodes' from tools/taosdumpTest2.py

feat: sql command 'show vnodes' and database option 'sst_trigger'

fix:<TD-18784> data lost in schemaless if timestamp is same

fix(query): check node type when extract column info.

fix: fix create table rsp free issue

docs(stream): fix old syntax

enh: the default values of wal related parameters are different in si…

os: chmod log dir mode

fix: empty var-len data commit coredump

feat(stream):stream partition by column

docs: add more t-digest algorithm explanation EN