INSERT INTO mall_event (code, title, event_type, description, start_date, end_date, target_tiers, store_ids, coupon_id, bonus_point_rate, gift_description, status, active, created_by) VALUES (#{code}, #{title}, COALESCE(#{eventType},'DISCOUNT'), #{description}, #{startDate}, #{endDate}, #{targetTiers}, #{storeIds}, #{couponId}, #{bonusPointRate}, #{giftDescription}, COALESCE(#{status},'DRAFT'), COALESCE(#{active},TRUE), #{createdBy}) UPDATE mall_event SET title=#{title}, event_type=COALESCE(#{eventType},event_type), description=#{description}, start_date=#{startDate}, end_date=#{endDate}, target_tiers=#{targetTiers}, store_ids=#{storeIds}, coupon_id=#{couponId}, bonus_point_rate=#{bonusPointRate}, gift_description=#{giftDescription}, status=COALESCE(#{status},status), active=COALESCE(#{active},active), updated_at=NOW() WHERE id=#{id} UPDATE mall_event SET status=#{status}, updated_at=NOW() WHERE id=#{id} DELETE FROM mall_event WHERE id=#{id} INSERT INTO mall_event_banner (event_id, image_url, headline, subtext, link_url, sort_order, active) VALUES (#{eventId}, #{imageUrl}, #{headline}, #{subtext}, #{linkUrl}, COALESCE(#{sortOrder},0), COALESCE(#{active},TRUE)) DELETE FROM mall_event_banner WHERE id=#{id} DELETE FROM mall_event_banner WHERE event_id=#{eventId} INSERT INTO mall_event_participation (event_id, owner, coupon_id, order_no, reward) VALUES (#{eventId}, #{owner}, #{couponId}, #{orderNo}, #{reward})