错误代码：1241操作数应包含1列mysql

Question

SELECT t1.loginid,t1.`company_name`,t1.`FA_Name`,t1.`Lot`,t1.`PurchasePrice` FROM test_report t1
WHERE PurchasePrice IN (SELECT t1.loginid,t1.`company_name`,t1.`FA_Name`,t1.`Lot`,MAX(t1.`PurchasePrice`) FROM test_report t1 GROUP BY lot)
ORDER BY lot;

Giving error Operand should contain 1 column(s)

Trying to fetch the appropriate loginid , company name , fa_name by grouping the lot and get max purchaseprice.

Please help. Thanks in advance

Answer 1

Your subselect can only have one value in select clause:

SELECT t1.loginid,t1.`company_name`,t1.`FA_Name`,t1.`Lot`,t1.`PurchasePrice` FROM test_report t1
WHERE PurchasePrice IN (SELECT MAX(t1.`PurchasePrice`) FROM test_report t1 GROUP BY lot)
ORDER BY lot;