https://xbns.netlify.app/tags/sql/Recent content in sql on Pieces & Perspective BlogHugo -- gohugo.ioen-usWed, 18 Nov 2020 00:00:00 +0000https://xbns.netlify.app/posts/json-build-object/Wed, 18 Nov 2020 00:00:00 +0000https://xbns.netlify.app/posts/json-build-object/Explanation(TODO:10) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 SELECT o.id,o.total_cost,o.managed_by, CASE WHEN count(ox) = 0 THEN ARRAY[]::json[] ELSE array_agg(ox.order_item) END AS order_items FROM fasiba.orders o LEFT OUTER JOIN ( SELECT oid2.orders_id, json_build_object('input_name',i.name,'quantity',oid2.quantity,'unit_cost',oid2.unit_cost,'total_cost',oid2.total_cost) as order_item FROM fasiba.orders_input_detail oid2 left join fasiba.input i on i.id = oid2.input_pack_detail_id ORDER BY oid2.input_pack_id ) ox ON o.id = ox.orders_id WHERE o.status ='DELIVERED' GROUP BY o.id limit 10 REFERENCE For a more elaborative example have a look at the link below.