import-csv can not indicate timestamp format，this causes millisecond is zero

release 0.12.0

cli构造数据:

构造数据：

CREATE TIMESERIES root.db1.tab1.id WITH DATATYPE=INT32, ENCODING=PLAIN

CREATE TIMESERIES root.db1.tab1.name WITH DATATYPE=text, ENCODING=PLAIN

CREATE TIMESERIES root.db1.tab1.age WITH DATATYPE=INT32, ENCODING=PLAIN

CREATE TIMESERIES root.db1.tab1.country WITH DATATYPE=text, ENCODING=PLAIN

CREATE TIMESERIES root.db1.tab1.salary WITH DATATYPE=float, ENCODING=PLAIN

CREATE TIMESERIES root.db1.tab1.other WITH DATATYPE=double, ENCODING=PLAIN

CREATE TIMESERIES root.db1.tab1.student WITH DATATYPE=boolean, ENCODING=PLAIN

insert into root.db1.tab1(time,id,name,age,country,salary,other ,student ) values(now(),1,'lily',25,'usa',5678.34,7.777777,false);

insert into root.db1.tab1(time,id,name,age,country,salary,other ,student ) values(now(),0,'lily0',25,'usa',5678.34,7.777777,false);

insert into root.db1.tab1(time,id,name,age,country,salary,other ,student ) values(now(),1,'lily1',25,'usa',5678.34,7.777777,false);

insert into root.db1.tab1(time,id,name,age,country,salary,other ,student ) values(now(),2,'lily2',25,'usa',5678.34,7.777777,false);

insert into root.db1.tab1(time,id,name,age,country,salary,other ,student ) values(now(),3,'lily3',25,'usa',5678.34,7.777777,false);

先export：

select文件的内容：select * from root.db1.*

./export-csv.sh -h 127.0.0.1 -p 6667 -u root -pw root -tf  yyyy-MM-dd\'T\'HH:mm:ss.SSS -td ./ -f dump_ts2.csv -s select

导出文件指定tf包含毫秒。导出结果：

Time,root.db1.tab1.country,root.db1.tab1.other,root.db1.tab1.student,root.db1.tab1.name,root.db1.tab1.id,root.db1.tab1.salary,root.db1.tab1.age
2021-04-19T16:28:49.810,usa,7.777777,false,lily,1.0,5678.34,25.0
2021-04-19T16:28:49.818,usa,7.777777,false,lily0,0.0,5678.34,25.0
2021-04-19T16:28:49.824,usa,7.777777,false,lily1,1.0,5678.34,25.0
2021-04-19T16:28:49.828,usa,7.777777,false,lily2,2.0,5678.34,25.0
2021-04-19T16:28:49.833,usa,7.777777,false,lily3,3.0,5678.34,25.0

cli删除数据：

delete from root.db1.*;

import导入数据：

./import-csv.sh -h 127.0.0.1 -p 6667 -u root -pw root -f ./dump_ts2.csv0.csv

cli查询：

select * from root.db1.*; --毫秒被截断置为0 ，import-csv不支持指定时间戳格式。