Conditional Relational Queries

export const ingredientTypeEnum = pgEnum('ingredientType', ['ITEM', 'FOOD']);

export const food = pgTable('food', {
    id: serial('id').primaryKey(),
    name: varchar('name', { length: 256 }).notNull(),
});

export const item = pgTable('item', {
    id: serial('id').primaryKey(),
    name: varchar('name', { length: 256 }).notNull(),
    description: text('description').array(),
});

export const ingredient = pgTable('ingredient', {
    recipe_id: integer('recipe_id').references(() => recipe.id),
    ingredientType: ingredientTypeEnum('ingredientType'),
    quantity: integer('amount').notNull(),
});

export const recipe = pgTable('recipe', {
    id: serial('id').primaryKey(),
    name: varchar('name', { length: 256 }).notNull(),
    instructions: text('description').array(),
});

export const recipeRelations = relations(recipe, ({ many }) => ({
    ingredients: many(ingredient),
}));