在Athena SQL中,可以使用一些内置的函数来处理日期和时间。下面是一些常用的示例:
SELECT current_date() AS current_date, current_time() AS current_time, current_timestamp() AS current_timestamp;
SELECT date_format(current_timestamp(), '%Y-%m-%d') AS formatted_date, date_format(current_timestamp(), '%H:%i:%s') AS formatted_time;
SELECT parse_datetime('2021-01-01', 'yyyy-MM-dd') AS parsed_date;
SELECT extract(year FROM current_date()) AS year, extract(month FROM current_date()) AS month, extract(day FROM current_date()) AS day;
SELECT datediff('2022-01-01', '2021-01-01') AS days_diff;
SELECT date_trunc('month', current_date()) AS first_day_of_month, date_trunc('month', current_date()) + interval '1' month - interval '1' day AS last_day_of_month;
这些是一些常用的Athena SQL日期处理的示例,你可以根据具体的需求进行调整和扩展。