FluentNHibernate mapping smalldatetime SQL data type

Question

I have a legacy database that uses the smalldatetime SQL data type. That maps fine to the standard DateTime. However, when I use SchemaExport, it understandably generates the column with datetime format. What custom type should I be using in my mapping so that the generated column is smalldatetime?

   // Does not work as custom type not known       
   Map(x => x.BirthDate).Column("dtBirthDate").Not.Nullable().CustomType("smalldatetime");

Answer 1

You almost had it, instead of .CustomType you'll have to define .CustomSqlType

Map(x => x.BirthDate)
    .Column("dtBirthDate")
    .Not.Nullable()
    .CustomSqlType("smalldatetime")
    .CustomType("datetime")

Just tested it and it will create a database column with smalldatetime.