[BUG] DATA_TYPE in information_schema.columns is not compatible to mysql meta

[HangyuanLiu]

Describe the bug

DATA_TYPE in information_schema.columns is not compatible to mysql meta

To Reproduce
Steps to reproduce the behavior:
select * from information_schema.columns

Expected behavior
the result of data_type is (int, decimal, char, varchar, ...)，but doris data_type is (int(11), varchar(20), ...)
Excess number will affect some BI systems or upper system can't get right type