錯誤演員轉換SQL

-1

select campo1 as AGR_Number, campo2 as fattura, 
     campo76 as cod_periodo, campo78 as cod_scenario, 
     campo11 as origine, campo8 as Stazione,  
     campo13 as agent, campo30 as AAT_RATE, 
     sum (cast(campo30 as numeric (9,2))) AS AAT_rate 
from map_dati_trasformati 
where cod_mappatura = 'CARICA_NOL_CSV' 
AND CAMPO30 <> 0 
GROUP BY campo1, campo2, campo76, campo78, campo11 , 
     campo8, campo13, campo30

這種轉換回答我這個錯誤轉換爲varchar值「AAT率」爲int數據類型時錯誤演員轉換SQL

轉換失敗。

是什麼問題？

在此先感謝

彈出的眼睛是AS上盒和同列別名（默認情況下，MySQL是不區分大小寫）

來源

2017-02-23 Ruben Lombi

什麼是'campo30' – RiggsFolly

該錯誤意味着你有一個值，不能成爲一些 – JohnHC

的錯誤是相當不言自明的 - 你必須在'campo30'列非數字值，它可以」 t轉換。你應該仔細看看你的數據。 – Siyual

唯一的事情。你能試試嗎？

select campo1 as AGR_Number, campo2 as fattura, 
    campo76 as cod_periodo, campo78 as cod_scenario, 
    campo11 as origine, campo8 as Stazione,  
    campo13 as agent, campo30 as AAT_RATE, 
    sum (cast(campo30 as numeric (9,2))) as AAT_rate_sum 
from map_dati_trasformati 
where cod_mappatura = 'CARICA_NOL_CSV' 
AND CAMPO30 <> 0 
GROUP BY campo1, campo2, campo76, campo78, campo11 , 
     campo8, campo13, campo30

來源

2017-02-23 13:53:45

同樣的錯誤:( –

錯誤是'AAT Rate'沒有'_'所以是不相關和dup別名是好的 –

啊，很好趕上@AlexK。，沒有'_'的錯誤，所以它看起來像你有文字Campo30專欄中'AAT rate'的值 –

錯誤演員轉換SQL

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