-- +goose Up
CREATE TABLE categories (
    id uuid DEFAULT uuid_generate_v4() PRIMARY KEY,
    category_group_id uuid NOT NULL REFERENCES category_groups (id) ON DELETE CASCADE,
    name varchar(50) NOT NULL
);
ALTER TABLE budgets ADD COLUMN income_category_id uuid NOT NULL REFERENCES categories (id) DEFERRABLE;

-- +goose Down
ALTER TABLE budgets DROP COLUMN income_category_id;
DROP TABLE categories;