NHibernate QueryOver restrict by string length -


how restrict query length of string property? eg. like:

nhsession.queryover<customer>()     .where(p => p.registrycode.length == 8) 

something may trick

nhsession.queryover<customer>()     .where(         restrictions.eq(             projections.sqlfunction("length", nhibernateutil.string,                  projections.property<customer>(x => x.registrycode)),             8         )     ) 

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