With hbm.xml:
<property name="PropertyName" type="String" column="`COLUMN_NAME`"
length="50" not-null="false" unique="true" check="len(column_name) > 1" />
Or by code:
Property(x => x.PropertyName, m =>
{
m.Column(c =>
{
c.Name("column_name");
c.Length(50);
c.NotNullabl(false);
c.Check("len(column_name) > 1");
c.Unique(true);
});
});
RP
On Wednesday, November 6, 2013 7:11:50 PM UTC, epitka wrote:
>
> Is there a way to tell NH that mapping is such that there should be unique
> constraint on the column, except null values? I now you can constrain it,
> but currently that includes nulls also. I can get it done in db manually
> but I need a way for nh to generate such db script.
>
>
>
>
>
>
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