Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
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create table tbl (
house_id int, doc_id int, doc_name text, file_id int, file_path text
);
insert into tbl values
(18, 1, 'Приказ', 36, '/root/1234/'),
(20, 2, 'Уведомление', 37, '/root/5678/'),
(18, 3, 'Поручение', 38, '/root/9101112/'),
(20, 4, 'Разрешение', 39, '/root/13141516/'),
(20, 4, 'Разрешение', 40, '/root/17181920/');
with a as (
select
house_id,
doc_id,
json_agg(json_build_object('doc_name', doc_name, 'file_id', file_id, 'file_path', file_path)) j
from tbl
group by house_id, doc_id
) select house_id, json_agg(j)
from a
group by house_id;
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