I recommend that you go to https://ask.discourse.com/ and enter the query you have and tell it that you need the user emails (you need to join the user_id that I think you have to the UserEmails table to get the email addresses)
I recommend that you go to https://ask.discourse.com/ and enter the query you have and tell it that you need the user emails (you need to join the user_id that I think you have to the UserEmails table to get the email addresses)