SELECT c.id, c.channel_id, c.channel_name, c.title_filter, c.description, c.tags, c.sort_order, (SELECT COUNT(*) FROM videos v WHERE v.channel_id = c.id) AS video_count, (SELECT MAX(v.published_at) FROM videos v WHERE v.channel_id = c.id) AS last_video_at FROM channels c WHERE c.is_active = 1 ORDER BY c.sort_order, c.channel_name INSERT INTO channels (id, channel_id, channel_name, title_filter) VALUES (#{id}, #{channelId}, #{channelName}, #{titleFilter}) UPDATE channels SET is_active = 0 WHERE channel_id = #{channelId} AND is_active = 1 UPDATE channels SET is_active = 0 WHERE id = #{id} AND is_active = 1 UPDATE channels SET description = #{description}, tags = #{tags}, sort_order = #{sortOrder} WHERE id = #{id} SELECT id, channel_id, channel_name, title_filter, description, tags, sort_order FROM channels WHERE channel_id = #{channelId} AND is_active = 1