--- /dev/null
+-- meta data with subscriber count
+SELECT
+ t.id,
+ created,
+ url,
+ extract(epoch FROM lease_seconds_preferred) AS lease_seconds_preferred,
+ extract(epoch FROM lease_seconds_min) AS lease_seconds_min,
+ extract(epoch FROM lease_seconds_max) AS lease_seconds_max,
+ t.publisher_validation_url,
+ t.content_hash_algorithm,
+ t.is_active,
+ t.is_deleted,
+ last_publish,
+ content_fetch_next_attempt,
+ t.content_fetch_attempts_since_success,
+ content_updated,
+ t.content_hash,
+ t.content_type,
+ COUNT (s.id) AS subscribers
+FROM topic t
+LEFT JOIN (SELECT id, topic_id FROM subscription WHERE expires > now()) s ON t.id = s.topic_id
+GROUP BY t.id
+ORDER BY subscribers DESC, t.created DESC