Filter using criteria on not mapped column

I have a entity mapped to a table and an extra column which is not mapped.

Is it possible t开发者_StackOverflow社区o make a select using criteria and filter on that extra column?

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The definitive answer: http://ayende.com/Blog/archive/2009/06/10/nhibernate-ndash-query-only-properties.aspx

This question is a duplicate: Query Unmapped Columns in NHibernate

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You could use Expression.Sql to create an arbitrary filter that can include unmapped columns. Lots of examples around.