我有一個在我們的Firebird SQL數據模塊中工作的查詢.

我們遷移到MySQL,除了這個,我的所有查詢都沒有問題.

請幫我解決這個問題.我收到一個錯誤：

Failed to Execute. Unknown column ‘part.id’ in ‘on clause’

我的Firebird查詢：

SELECT vendor.name AS "Vendor Name",

Cast(Cast(vendorparts.lastdate AS date) AS CHAR(10)) AS "Last Date",

CASE product.price

WHEN '0' THEN 'CONFIRM'

WHEN NULL THEN 'CONFIRM'

ELSE Round(product.price, 2)

end AS "D-Price",

Cast(vendorparts.lastcost AS DECIMAL(18, 2)) AS "Last Cost",

Cast(lowestcost.lowestcost AS DECIMAL(18, 2)) AS "Lowest Cost",

Cast(highestcost.highestcost AS DECIMAL(18, 2)) AS "Highest Cost",

part.num AS "Part Number",

part.description AS "Part Description"

FROM vendor,

vendorparts,

part,

product

INNER JOIN (SELECT vendorparts.partid,

Max(vendorparts.lastcost) AS Highestcost

FROM vendorparts

GROUP BY vendorparts.partid) AS highestcost

ON part.id = highestcost.partid

INNER JOIN (SELECT vendorparts.partid,

Min(vendorparts.lastcost) AS Lowestcost

FROM vendorparts

GROUP BY vendorparts.partid) AS lowestcost

ON part.id = lowestcost.partid

WHERE vendor.id = vendorparts.vendorid

AND product.partid = part.id

AND vendorparts.partid = part.id

AND vendorparts.lastcost <> 0

除了在子查詢中創建的最低成本和最高成本之外,所有表都在數據庫中.

希望我的要求寫得清楚.但總而言之 – 我需要將這個工作的Firebird查詢遷移到MySQL中.

為什么這會在Firebird中運行而不是在MySQL中運行？

總結

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