解決済み/未解決トピックのトピック統計、「解決までの時間」を含む

データとレポート
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1

:warning: DRAFT

このクエリは、解決済み/未解決、最初の返信 | 最初の返信者 | 最初の返信までの時間、および解決投稿 | 解決者 | 解決までの時間（カテゴリと「トピック作成からの経過時間」パラメータ付き）を取得します。

誰かが確認してくれたら嬉しいです。 :slight_smile: :+1:


-- [params]
-- int :category_id = 6
-- date :since = 2013-01-01


WITH solved_topics AS (

SELECT ua.target_topic_id AS topic_id,
       ua.user_id,
       ua.target_post_id AS post_id,
       p.created_at
FROM user_actions ua
JOIN posts p on p.id = ua.target_post_id
WHERE action_type = 15

),

first_reply AS (
    SELECT p.topic_id,
           MIN(id) AS post_id
    FROM posts p
    WHERE p.deleted_at ISNULL
    AND p.post_type = 1
    AND p.post_number > 1
    GROUP BY p.topic_id
)

SELECT CASE WHEN st.topic_id IS NOT NULL THEN 'Solved' ELSE 'Unsolved' END AS "Solved?",
       t.id as topic_id,
       t.user_id AS question_user_id,
       t.created_at::date AS "Topic Posted On:",
       t.views,
       p.user_id AS first_reply_user_id,
       COALESCE(fr.post_id, 0) AS first_reply_post_id,
       COALESCE(CEIL(extract(epoch FROM (p.created_at - t.created_at))/3600.00),0) AS "Time to First Reply (hrs)",
       st.user_id AS solved_by_user_id,
       COALESCE(st.post_id,0) AS solution_post_id,
       COALESCE(CEIL(extract(epoch FROM (st.created_at - t.created_at))/3600.00),0) AS "Time to Solution (hrs)"
FROM topics t
LEFT JOIN solved_topics st ON t.id = st.topic_id
LEFT JOIN first_reply fr ON fr.topic_id = t.id
LEFT JOIN posts p ON p.id = fr.post_id
WHERE t.category_id = :category_id
AND t.created_at >= :since
AND t.deleted_at ISNULL
AND t.visible = TRUE
ORDER BY t.created_at
「いいね！」 1