Method add_answer

ch_07/src/store.rs:134–157

(
        &self,
        new_answer: NewAnswer,
    )

    }

    pub async fn add_answer(
        &self,
        new_answer: NewAnswer,
    ) -> Result<Answer, Error> {
        match sqlx::query(
            "INSERT INTO answers (content, question_id) VALUES ($1, $2)",
        )
        .bind(new_answer.content)
        .bind(new_answer.question_id.0)
        .map(|row: PgRow| Answer {
            id: AnswerId(row.get("id")),
            content: row.get("content"),
            question_id: QuestionId(row.get("question_id")),
        })
        .fetch_one(&self.connection)
        .await
        {
            Ok(answer) => Ok(answer),
            Err(e) => {
                tracing::event!(tracing::Level::ERROR, "{:?}", e);
                Err(Error::DatabaseQueryError)
            }
        }
    }
}