CREATE DATABASE circuit_diagram;



CREATE TABLE circuit_diagram_overview
(
id bigserial not null,
name text not null,
created_at timestamp with time zone default CURRENT_TIMESTAMP not null,
updated_at timestamp with time zone default CURRENT_TIMESTAMP not null
);

CREATE TABLE circuit_diagram_1
(
id bigserial not null,
name text not null,
created_at timestamp with time zone default CURRENT_TIMESTAMP not null,
updated_at timestamp with time zone default CURRENT_TIMESTAMP not null,
parent_id bigint default 0 not null,
other_params text not null
);


INSERT INTO public.circuit_diagram_1(id,name,created_at,updated_at,parent_id,other_params) VALUES(1,'母线','2024-11-07 09:37:00','2024-11-07 09:37:00',0,'voltage:35,status:0');

INSERT INTO public.circuit_diagram_1(id,name,created_at,updated_at,parent_id,other_params) VALUES(2,'电流互感器','2024-11-07 09:37:00','2024-11-07 09:37:00',1,'voltage:35,status:0');

INSERT INTO public.circuit_diagram_1(id,name,created_at,updated_at,parent_id,other_params) VALUES(3,'过继电流器','2024-11-07 09:37:00','2024-11-07 09:37:00',1,'voltage:35,status:0');

INSERT INTO public.circuit_diagram_1(id,name,created_at,updated_at,parent_id,other_params) VALUES(4,'断路器','2024-11-07 09:37:00','2024-11-07 09:37:00',2,'voltage:35,status:0');

INSERT INTO public.circuit_diagram_1(id,name,created_at,updated_at,parent_id,other_params) VALUES(5,'变压器','2024-11-07 09:37:00','2024-11-07 09:37:00',4,'voltage:35,status:0');


INSERT INTO public.circuit_diagram_1(id,name,created_at,updated_at,parent_id,other_params) VALUES(6,'线缆','2024-11-07 09:37:00','2024-11-07 09:37:00',5,'voltage:35,status:0');

INSERT INTO public.circuit_diagram_1(id,name,created_at,updated_at,parent_id,other_params) VALUES(7,'低压母线','2024-11-07 09:37:00','2024-11-07 09:37:00',6,'voltage:35,status:0');

INSERT INTO public.circuit_diagram_1(id,name,created_at,updated_at,parent_id,other_params) VALUES(8,' 电动机 1','2024-11-07 09:37:00','2024-11-07 09:37:00',7,'voltage:35,status:0');

INSERT INTO public.circuit_diagram_1(id,name,created_at,updated_at,parent_id,other_params) VALUES(9,' 电动机 2','2024-11-07 09:37:00','2024-11-07 09:37:00',7,'voltage:35,status:0');


SELECT id,parent_id,name,other_params
FROM circuit_diagram_1
WHERE id = 1


WITH RECURSIVE recursive_tree as (
SELECT id,parent_id,name,other_params
FROM circuit_diagram_1
WHERE id = 1
UNION ALL
SELECT ctd.id,ctd.parent_id,ctd.name,ctd.other_params
FROM circuit_diagram_1 ctd 
JOIN recursive_tree rt ON ctd.parent_id = rt.id
)
SELECT * FROM recursive_tree;