How to generate a list of dates on AWS Athena

Question

I need to generate a list of dates between two dates start date and end date here I need from 1/1/2022 to the end of the year on AWS Athena without creating table I need only query view the output should be:

|date|
|--|
|1/1/2022 |
|2/1/2022 |
|3/1/2022 |

etc to a specific date.

Answer 1

You can use the sequence function to generate an array with a start date and an end date

Answer 2

You can use sequence function which supports dates and timestamps:

sequence(
   current_date, -- some start date
   current_date + interval '3' day, -- some end date 
   interval '1' day) -- step

And then use unnest which will flatten the generated array:

select t.date
from (select sequence(current_date, current_date + interval '3' day, interval '1' day) dates),
     unnest(dates) as t(date);

Output:

date
2022-09-26
2022-09-27
2022-09-28
2022-09-29