使用join删除mysql字段中的零

代码=0000000000 5555

第二个选项代码=00000000000555

大家好，我正在尝试找出与php的ltrim（）相同的函数

我认为这是暂时的。因为零可能是增加和减少i 上面的例子。我只是想在这个查询中删除零

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谢谢

尝试将其转换为数字

SELECT * 
FROM db1.stock JOIN db2.prodinfo ON 
          CAST(db2.prodinfo.code AS SIGNED) = CAST(db1.stock.code AS SIGNED) 
WHERE db1.stock.InvNo ='12' and db2.prodinfo.Cat = 'super'

或

SELECT * 
FROM db1.stock JOIN db2.prodinfo ON 
          CAST(db2.prodinfo.code AS SIGNED) = CAST(db1.stock.code AS SIGNED) 
WHERE db1.stock.InvNo ='12' and db2.prodinfo.Cat = 'super'

SELECT * 
FROM db1.stock JOIN db2.prodinfo ON 
CAST(db2.prodinfo.code AS DECIMAL(15,0)) = CAST(db1.stock.code AS AS DECIMAL(15,0)) 
WHERE db1.stock.InvNo ='12' and db2.prodinfo.Cat = 'super'