Method add_question

ch_08/src/store.rs:57–79

(
        self,
        new_question: NewQuestion,
    )

    }

    pub async fn add_question(
        self,
        new_question: NewQuestion,
    ) -> Result<Question, Error> {
        match sqlx::query("INSERT INTO questions (title, content, tags) VALUES ($1, $2, $3) RETURNING id, title, content, tags")
            .bind(new_question.title)
            .bind(new_question.content)
            .bind(new_question.tags)
            .map(|row: PgRow| Question {
			    id: QuestionId(row.get("id")),
                title: row.get("title"),
			    content: row.get("content"),
                tags: row.get("tags"),
		    })
            .fetch_one(&self.connection)
            .await {
                Ok(question) => Ok(question),
                Err(e) => {
                    tracing::event!(tracing::Level::ERROR, "{:?}", e);
                    Err(Error::DatabaseQueryError)
                },
            }
    }

    pub async fn update_question(
        self,