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has语句的使用

has语句的使用

select b.TypeName,a.Name,a.Unit,a.Brand,a.Price,a.Number,a.Manufacturer from

aos_consumable_ConsumableAsset as a right join  aos_consumable_ConsumableType as b on

a.ConsumableTypeId = b.DirectoryID  where 1=1 and (a.BuyDate between ${buyDate}  and

${endTime} ) ${has(name)?(" and a.name like '%"+name+"%'"):""} ${has(typeName)?(" and

b.TypeName like '%"+typeName+"%'"):""} ${has(storeAddr)?(" and a.StoreAddr like

'%"+storeAddr+"%'"):""}

这条SQL语句对不?????
为什么查询出来总是没有数据???

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