mybatis collection lable type Will affect the type of my other fields

[刘勇平]

## MyBatis version

3.5.4

## Database vendor and version

mysql 5.7

## Test case or example project

## Steps to reproduce

mysql db column type 

my pojo type 

mybatis xml config 

I use the collection lable and the oftype is Long 

then i find my gradeName type was changed 

I set the grade type is String ,here i saw ,it was Long ，and  the same as  collection oftype ;

my navicat result table is 

## Actual result

so error 

i did not know why it was happened

if i change the collection oftype to String , It will be ok。

 

## Expected result

please help me 

[Iwao AVE!]

Hi,

There is an FAQ entry for that.

https://github.com/mybatis/mybatis-3/wiki/FAQ#how-do-i-map-a-list-of-simple-type-objects-string-integer-etc-to-a-bean-or-map-

Regards,

Iwao

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