mybatis transfer a column with stop to a hashmap, nor a string

[刘同彬]

I seems that Mybatis would transfer a column with stop to a hashmap, nor a string. How can I convert it to a string?

eg: I have a column named aa.bb, the value in db is 10. I config the resultType is 'java.util.HashMap', mybatis return aa:{bb:10}, nor aa.bb:10. 

I read the source, the class PropertyTokenizer's constructor make it happened. How can I get the result: aa.bb:10.

[Iwao AVE!]

Hi,

In MyBatis (and most expression languages), dot '.' is used to access properties.

As explained in the old ticket below, there is not much we can do.

https://github.com/mybatis/mybatis-3/issues/13

I would suggest changing the column name if that's possible.

Regards,

Iwao

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[刘同彬]

Hi,

I think in some situations, columns may contains dot '.', but developers don't need the hashmap, they just need the string. Could I make a pull request if possible?

在 2019年7月19日星期五 UTC+8下午8:12:00，Iwao AVE!写道：

Hi,

In MyBatis (and most expression languages), dot '.' is used to access properties.

As explained in the old ticket below, there is not much we can do.

https://github.com/mybatis/mybatis-3/issues/13

I would suggest changing the column name if that's possible.

Regards,

Iwao

On Fri, Jul 19, 2019 at 3:11 PM 刘同彬 <lbea...@gmail.com> wrote:

I seems that Mybatis would transfer a column with stop to a hashmap, nor a string. How can I convert it to a string?

eg: I have a column named aa.bb, the value in db is 10. I config the resultType is 'java.util.HashMap', mybatis return aa:{bb:10}, nor aa.bb:10. 

I read the source, the class PropertyTokenizer's constructor make it happened. How can I get the result: aa.bb:10.

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[Iwao AVE!]

Hi,

It may not be possible because OGNL does not support it (AFAIK).

And even if it is possible, every user is affected by the change (performance, code complication, etc.).

So, I'm sorry, but I don't think it is worth it.

For the sake of future-you, let me share what experts say.

https://dba.stackexchange.com/questions/1166/is-it-okay-to-put-dots-in-sql-server-database-names

Regards,

Iwao