rgncycle-db/sql/create-relations-table.sql

---
DROP TABLE IF EXISTS relations;
---
CREATE TABLE IF NOT EXISTS relations(
   relation_id BIGSERIAL PRIMARY KEY,
   relation_from_entity BIGINT NOT NULL,
   relation_to_entity BIGINT NOT NULL,
   FOREIGN KEY(relation_to_entity) REFERENCES entities(entity_id),
   FOREIGN KEY(relation_from_entity) REFERENCES entities(entity_id));
---
DELETE FROM relations;
INSERT INTO relations (relation_from_entity,relation_to_entity)
VALUES
(6,1),
(6,2),
(6,3),
(6,4),
(6,5),
(6,7),
(6,8),
(6,9),
(6,10),
(6,11),
(6,12)
RETURNING *;