column_name,column_description pull_request_id,Foreign key that references the pull request table. created_at,Timestamp of when the review was submitted. requested_id,"Foreign key that references the user table, representing the user that was requested to review a PR." removed,Boolean variable indicating if the requester was removed from the PR (true) or added to the PR (false). _fivetran_synced,Timestamp of when Fivetran synced a record ACTOR_ID,