给我一段psql用copy导入文件的命令，需要将日期进行格式化

。

Here's an example of a command to import a file using `COPY` in PostgreSQL, while formatting the date:

COPY mytable (col1, col2, date_col) FROM '/path/to/myfile.csv' DELIMITER ',' CSV HEADER;

If you want to format the date column, you can use the `TO_DATE` function in the `COPY` statement:

COPY mytable (col1, col2, date_col) FROM '/path/to/myfile.csv' DELIMITER ',' CSV HEADER (col1, col2, date_col := TO_DATE(date_col, 'YYYY-MM-DD'));

In this example, the date in the `date_col` column is assumed to be in the format `YYYY-MM-DD`. You can change the format to match the format of your date values.