我是新来的typeorm,也许有人可以解决我的问题。
我有一些查询,如:
SELECT t1.id,t2.id_2,t3.event,t3.column1,t4.column1 FROM table1 t1
INNER JOIN table2 t2 ON t1.id = t2.id
INNER JOIN table3 t3 ON t2.event = t3.event
INNER JOIN table4 t4 ON t4.id = t2.id_2 WHERE t3.event = 2019
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如何将此查询转换为typeorm?
我是新手typeorm,这是我第二次混淆typeorm,我有以下查询:
SELECT t1.a,t1.b,t2.a
(SELECT TOP 1 t1.a
FROM table1 t1
WHERE t1.b = t2.a
ORDER BY t1.a DESC
) AS MaxT1
FROM Table1 t1
INNER JOIN Table2 t2 ON t1.a = t2.a
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我试过这个:
let query = await getManager()
.createQueryBuilder(Bid, 'bid')
.select([
'l.ID_anv_Lot',
'l.LotNumber',
'w.WineryName',
'bid.BidAmount',
'bid.ProxyBidAmount',
'er.ID_Contact'
])
.addSelect(Table1, t1)
.innerJoin(Lot, 'l', 'l.lotNumber = bid.lotNum AND l.paddleNumber = bid.paddleNumber')
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但结果是 table1 上的所有行