How do we create Unique Constraint in lift-mapper
Pergunta
How can we create a unique constraint in lift's mapper ?
Solução
You can do that by adding the following in your MetaMapper object
override def dbIndexes=UniqueIndex(<name-of-the-field>)::super.dbIndexes
comma separated list of fields can also be provided
for example - UniqueIndex(name,dob)
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