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我知道這聽起來像是「爲我做功課」的問題,但我一直在努力用ActiveRecord重新創建此查詢一段時間,現在想知道是否可以做此無需求助於使用ActiveRecord::Base.connection.execute
如何在ActiveRecord中重新創建此查詢
結構基本上:
Member has_many orders and transactions
我需要顯示所有誰了訂單,從訂單的總量的成員,和交易的一個數給定的日期範圍按總量排序。
我能得到我需要用下面的查詢數據:
SELECT members.*,
SUM(orders.amount) AS total_amount,
COUNT(transactions.id) AS total_transactions
FROM members
INNER JOIN orders ON (orders.member_id = member.id)
LEFT JOIN transactions ON (transactions.member_id = members.id)
WHERE orders.created_at BETWEEN "2012-03-01" AND "2012-04-01"
GROUP BY member.id
ORDER BY total_amount DESC
是否有可能制定通過的ActiveRecord此查詢?