const database: DatabaseServiceAPI = ...;
const repository = await database.getRepository("my_entity", MyEntity);
const newEntity = new MyEntity();
newEntity.company_id = "";
await repository.save(newEntity);
const entities = await repository.find({company_id: "", id: ""});
const entity = await repository.findOne({company_id: "", id: ""});
await repository.remove({company_id: "", id: ""});