pub async fn get_by_unique_index(
conn: &mut PgConnection,
user_exercise_state_id: Uuid,
exercise_slide_id: Uuid,
) -> ModelResult<Option<UserExerciseSlideState>>
pub async fn get_by_unique_index(
conn: &mut PgConnection,
user_exercise_state_id: Uuid,
exercise_slide_id: Uuid,
) -> ModelResult<Option<UserExerciseSlideState>>