Incorrect datetime value: '2022-01-01' for function str_to_date

mysql encountered this problem during the insert into operation.

Incorrect datetime value: '2022-01-01' for function str_to_date

select str_to_date('2022-01-01', '%Y%m%d') fromdual;show warnings;

Execution result:

Reason: str_to_date('2022-01-01', '%Y%m%d') does not match the format.
Solution: str_to_date('20220101', '%Y%m%d')
Summary: Either all -, or none of -, or other formats, in short, should be unified.