Redshift. Convert comma delimited values into rows

Question

I am wondering how to convert comma-delimited values into rows in Redshift. I am afraid that my own solution isn\'t optimal. Please advise. I have table with one of the colu

Answer 1

You can get the expected result with the following query. I'm using "UNION ALL" to convert a column to row.

select user_id, user_name, split_part(user_action,',',1) as parsed_action from cmd_logs
union all
select user_id, user_name, split_part(user_action,',',2) as parsed_action from cmd_logs
union all
select user_id, user_name, split_part(user_action,',',3) as parsed_action from cmd_logs