/// <summary>
/// Filters documents where a specific field has no value in them.
/// </summary>
public BaseFilter Missing(string field)
{
var filter = new MissingFilter {
Field = field
};
this.SetCacheAndName(filter);
return(this.New(filter, f => f.MissingFilter = filter));
}
/// <summary>
/// Filters documents where a specific field has no value in them.
/// </summary>
public BaseFilter Missing(Expression <Func <T, object> > fieldDescriptor)
{
var filter = new MissingFilter {
Field = fieldDescriptor
};
this.SetCacheAndName(filter);
return(this.New(filter, f => f.MissingFilter = filter));
}
