前50名点赞者

社区 数据与报告
1

前 50 名点赞者

返回给定月度期间的前 50 名点赞者。结果按 like_count 排序。它接受一个 ‘months_ago’ 参数，默认为 0，以返回当前月份的结果。

-- [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
)

SELECT
ua.user_id,
count(1) AS like_count
FROM user_actions ua
INNER JOIN query_period qp
ON ua.created_at >= qp.period_start
AND ua.created_at <= qp.period_end
WHERE ua.action_type = 1
GROUP BY ua.user_id
ORDER BY like_count DESC
LIMIT 50