if len(users6) != 1 {
		t.Errorf("should find one users using left join with conditions, but got %v", len(users6))
	}

	dryDB := DB.Session(&gorm.Session{DryRun: true})

@user_router.get("/")
def get_users():
    return [{"user_id": "u1"}, {"user_id": "u2"}]


@user_router.get("/{user_id}")
def get_user(user_id: str):
    return {"user_id": user_id}


@item_router.get("/")
def get_items(user_id: Optional[str] = None):
    if user_id is None:
        return [{"item_id": "i1", "user_id": "u1"}, {"item_id": "i2", "user_id": "u2"}]
    else:

                    "summary": "Read User",
                    "operationId": "read_user_users__user_id__get",
                    "parameters": [
                        {
                            "required": True,
                            "schema": {"title": "User Id", "type": "integer"},
                            "name": "user_id",
                            "in": "path",
                        }
                    ],

                    "summary": "Read User",
                    "operationId": "read_user_users__user_id__get",
                    "parameters": [
                        {
                            "required": True,
                            "schema": {"title": "User Id", "type": "integer"},
                            "name": "user_id",
                            "in": "path",
                        }
                    ],

                    "summary": "Read User",
                    "operationId": "read_user_users__user_id__get",
                    "parameters": [
                        {
                            "required": True,
                            "schema": {"title": "User Id", "type": "integer"},
                            "name": "user_id",
                            "in": "path",
                        }
                    ],

                    "summary": "Read User",
                    "operationId": "read_user_users__user_id__get",
                    "parameters": [
                        {
                            "required": True,
                            "schema": {"title": "User Id", "type": "integer"},
                            "name": "user_id",
                            "in": "path",
                        }
                    ],

                    "summary": "Read User",
                    "operationId": "read_user_users__user_id__get",
                    "parameters": [
                        {
                            "required": True,
                            "schema": {"title": "User Id", "type": "integer"},
                            "name": "user_id",
                            "in": "path",
                        }
                    ],

                    "summary": "Read User",
                    "operationId": "read_user_users__user_id__get",
                    "parameters": [
                        {
                            "required": True,
                            "schema": {"title": "User Id", "type": "integer"},
                            "name": "user_id",
                            "in": "path",
                        }
                    ],

        assertNull(StringUtil.camelize(null));
        assertEquals("Emp", StringUtil.camelize("EMP"));
        assertEquals("AaaBbb", StringUtil.camelize("AAA_BBB"));
        assertEquals("UserId", StringUtil.camelize("USER_ID"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testDecamelize() throws Exception {
        assertNull(StringUtil.decamelize(null));

У вас также может быть путь `/users/{user_id}`, чтобы получить данные о конкретном пользователе по его ID.

Поскольку *операции пути* выполняются в порядке их объявления, необходимо, чтобы путь для `/users/me` был объявлен раньше, чем путь для `/users/{user_id}`:


```Python hl_lines="6  11"
{!../../../docs_src/path_params/tutorial003.py!}
```