我们正试图通过查找与类似现有内容互动过的用户来增加活动的参与度。在 AI 机器人的帮助下,我们能够制定出以下查询。
-- [params]
-- text :keyword
-- int :min_engagements
-- null string :tag_name
WITH keyword_posts AS (
SELECT
p.id AS post_id
FROM
posts p
JOIN
topics t ON t.id = p.topic_id
LEFT JOIN
topic_tags tt ON tt.topic_id = t.id
LEFT JOIN
tags tg ON tg.id = tt.tag_id
WHERE
p.raw ILIKE '%' || :keyword || '%'
AND (:tag_name is null OR tg.name = :tag_name)
),
user_engagement AS (
SELECT
ua.user_id,
COUNT(DISTINCT ua.target_post_id) AS engaged_posts_count
FROM
user_actions ua
JOIN
keyword_posts kp ON kp.post_id = ua.target_post_id
WHERE
ua.action_type IN (1, 4, 5, 6)
AND ua.user_id NOT IN (
SELECT gu.user_id
FROM group_users gu
JOIN groups g ON g.id = gu.group_id
WHERE g.name = 'developer_relations'
)
GROUP BY
ua.user_id
)
SELECT
ue.user_id,
ue.engaged_posts_count
FROM
user_engagement ue
WHERE
ue.engaged_posts_count >= :min_engagements
ORDER BY
ue.engaged_posts_count DESC
我设法通过机器人完成了以下工作,但它返回 0 个结果(尽管我可以看到 30 多人已回复。如果我删除 WHERE 语句,查询就可以工作。
-- [params]
-- text :event_url = 'https://developer.sailpoint.com/discuss/t/deploying-the-beyondtrust-password-safe-connector-for-identityiq-with-michel-bluteau/68228'
SELECT
users.username AS "用户名",
invitees.status AS "回复状态",
invitees.updated_at AS "最后更新时间"
FROM
discourse_post_event_events AS events
JOIN
discourse_post_event_invitees AS invitees
ON
events.id = invitees.post_id
JOIN
users
ON
invitees.user_id = users.id
WHERE
events.url = :event_url
-- [params]
-- text :keyword
-- int :min_engagements
-- null string :tag_name
-- post_id :event_post
WITH keyword_posts AS (
SELECT
p.id AS post_id
FROM posts p
JOIN topics t ON t.id = p.topic_id
LEFT JOIN topic_tags tt ON tt.topic_id = t.id
LEFT JOIN tags tg ON tg.id = tt.tag_id
WHERE p.raw ILIKE '%' || :keyword || '%'
AND (:tag_name is null OR tg.name = :tag_name)
),
user_engagement AS (
SELECT
ua.user_id,
COUNT(DISTINCT ua.target_post_id) AS engaged_posts_count
FROM user_actions ua
JOIN keyword_posts kp ON kp.post_id = ua.target_post_id
WHERE ua.action_type IN (1, 4, 5, 6)
AND ua.user_id NOT IN (SELECT user_id FROM group_users WHERE group_id = 41)
GROUP BY ua.user_id
)
SELECT
ue.user_id,
ue.engaged_posts_count
FROM user_engagement ue
WHERE ue.engaged_posts_count >= :min_engagements
AND ue.user_id NOT IN (SELECT user_id FROM discourse_post_event_invitees WHERE post_id = :event_post AND status = 0)
ORDER BY ue.engaged_posts_count DESC