如何在Squeryl中組合列的唯一索引

Question

如何在squeryl模式中組合列定義唯一約束？

A | B 
2  1 allow 
2  3 allow 
3  1 allow 
2  1 don't allow same with row one 

Answer 1

你試過嗎？

on(authors)(s => declare(  
    columns(s.firstName, s.lastName) are(unique) 
)) 

http://squeryl.org/schema-definition.html