## MyBatis version
## Database vendor and version
mysql 5.7
## Test case or example project
## Steps to reproduce
mysql db column type
<a imageanchor="1" href="about:invalid#zClosurez" style="clear: left; margin-bottom: 1em; margin-right: 1em; float: left;" tabindex="1">
my pojo type
<a imageanchor="1" href="about:invalid#zClosurez" style="clear: left; margin-bottom: 1em; margin-right: 1em; float: left;" tabindex="1">
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
--
You received this message because you are subscribed to the Google Groups "mybatis-user" group.
To unsubscribe from this group and stop receiving emails from it, send an email to
[hidden email].
To view this discussion on the web visit
https://groups.google.com/d/msgid/mybatis-user/601ec14e-e0ca-4a10-a7af-13723e747a01%40googlegroups.com.