dl239

auto-fe is a tool? whether to move to `openmldb_tool` dir @vagetablechicken

not support mutil commands with interactive mode in `sql_cilent`. you can execute with file as below: `bin/openmldb --zk_cluster=127.0.0.1:2181 --zk_root_path=/openmldb --role=sql_client < sql.txt`

nameserver has not recover `db_sp_info_map_` if nameserver restarted

 [bug-denglong](https://trello.com/c/sdJl9Vdl/2-bug-denglong)

`show component` has same problem. #1888

 [High-priority Bugs (0.5.x)](https://trello.com/c/iGid67sw/70-high-priority-bugs-05x)

`GetRecordIdxCnt` get the first index count. so the value before gc is 100

fixed in #2719

please resolve the compiling error https://github.com/4paradigm/OpenMLDB/runs/8198252813?check_suite_focus=true

 [ospp - the data export tool](https://trello.com/c/0crfYYSL/116-ospp-the-data-export-tool)