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Virtual column

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vadey

Post subject: Virtual column

Posted: Tue Mar 17, 2009 5:56 am

Newbie

Joined: Tue Mar 17, 2009 5:06 am
Posts: 2

I use hibernate annotation for get data from DataBase
I want to creat fild maxValue in class and fill it value ( select MAX(Object.fieldCount) from Object)

I try use annotation @Formula(value="select MAX(Object.fieldCount) from Object") but It dosn't work

How shoud do this ?

Thanks for helping

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SIau_Tie

Post subject: Re: Virtual column

Posted: Tue Mar 17, 2009 8:17 am

Senior

Joined: Wed Sep 19, 2007 9:31 pm
Posts: 191
Location: Khuntien (Indonesia)

vadey wrote:

Try to use ( ) inside your formula

Code:

@Formula(value="(select max(author.id) from author)")
public Long getMaxId() {
     return maxId;
}

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