From 935a0490ae34e703a7b8b166b300b7f3c1d1862d Mon Sep 17 00:00:00 2001
From: Banach Technologies <80456992+banachtech@users.noreply.github.com>
Date: Fri, 19 Apr 2024 01:57:52 +0800
Subject: [PATCH] Update store.rs

1. Change `question_id` to `corresponding_question` in `add_answer` method as the column `question_id` does not exist in `answers` table.

2. Add `RETURNING ...` to the SQL statement without which `fetch_one` will throw an error.
---
 ch_07/src/store.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ch_07/src/store.rs b/ch_07/src/store.rs
index 9aeb140..62ca416 100644
--- a/ch_07/src/store.rs
+++ b/ch_07/src/store.rs
@@ -136,14 +136,14 @@ impl Store {
         new_answer: NewAnswer,
     ) -> Result<Answer, Error> {
         match sqlx::query(
-            "INSERT INTO answers (content, question_id) VALUES ($1, $2)",
+            "INSERT INTO answers (content, corresponding_question) VALUES ($1, $2) RETURNING id, content, corresponding_question",
         )
         .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")),
+            question_id: QuestionId(row.get("corresponding_question")),
         })
         .fetch_one(&self.connection)
         .await