顶级 50 位发帖者

社区 数据与报告
1

前 50 名发帖用户

返回给定月份期间的前 50 名发帖用户。结果按 post_count 排序。它接受一个 ‘months_ago’ 参数，默认为 0，以提供当前月份的结果。

-- [params]
-- int :months_ago = 1

WITH query_period AS (
SELECT
date_trunc('month', CURRENT_DATE) - INTERVAL ':months_ago months' as period_start,
date_trunc('month', CURRENT_DATE) - INTERVAL ':months_ago months' + INTERVAL '1 month' - INTERVAL '1 second' as period_end
),

user_posts_in_period AS (
SELECT
p.user_id
FROM posts p
INNER JOIN query_period qp
ON p.created_at >= qp.period_start
AND p.created_at <= qp.period_end
WHERE p.user_id > 0
)

SELECT
up.user_id,
count(1) as post_count
FROM user_posts_in_period up
GROUP BY up.user_id
ORDER BY post_count DESC
LIMIT 50