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我不知道我怎麼轉換這個SQL語句JPQL:轉換SQL語句JPQL語句
SELECT sum(price) AS Income, count(*) AS Passages, Station.Name
FROM Passage
INNER JOIN station ON passage.stationId = station.id
GROUP BY Station.Name
母艦一樣是這樣的:
SELECT sum(price) AS Income, count(p) AS Passages, s.Name FROM Passage p
INNER JOIN station s
ON p.stationId = s.id GROUP BY s.Name
?
太懶了,現在要檢查它的所有內容,但是在JPA中你首先處理對象,而不是用它們的ID。所以,'ON p.station = s ...' – SJuan76