Add income_category_id only after categories table exists

postgres/schema/0002_budgets.sql

@@ -2,8 +2,7 @@
 CREATE TABLE budgets (
     id uuid DEFAULT uuid_generate_v4() PRIMARY KEY,
     name text NOT NULL,
-    last_modification timestamp with time zone,
-    income_category_id uuid NOT NULL REFERENCES categories (id) DEFERRABLE
+    last_modification timestamp with time zone
 );
 
 -- +goose Down

postgres/schema/0008_categories.sql

@@ -4,6 +4,8 @@ CREATE TABLE categories (
     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;