如何在Squeryl中组合列中的唯一索引

wea*_*ire 1 scala squeryl

如何在squeryl模式中组合列中的唯一约束?

A  |  B  
2     1  allow
2     3  allow
3     1  allow
2     1  don't allow same with row one
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mmm*_*ell 5

你试过这个吗?

on(authors)(s => declare(      
   columns(s.firstName, s.lastName) are(unique) 
))
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http://squeryl.org/schema-definition.html