public override IProjection LengthMethod(LengthMethod method, Expression[] arguments)
{
return(new SqlFunctionProjection(
"length",
NHibernateUtil.Int32,
ProjectionVisitor.CreateProjection(arguments[0])
));
}
public Expression LengthMethod(LengthMethod method, LiteralExpression[] arguments)
{
if (LiteralUtil.IsAnyNull(arguments))
{
return(new LiteralExpression(null, LiteralType.Null));
}
else
{
int result = LiteralUtil.CoerceString(arguments[0]).Length;
return(new LiteralExpression(result, LiteralType.Int));
}
}
public virtual TResult LengthMethod(LengthMethod method, Expression[] arguments)
{
throw new QueryNotSupportException();
}