public long Count(IQueryOptions <TEntity> queryOptions)
{
var query = new Query(_kind)
{
Projection = { "__key__" }
};
if (queryOptions != null)
{
var options = queryOptions.GetOptions();
query = new Query(_kind)
{
Filter = queryOptions.GetFilter(),
Projection = { "__key__" },
Order = { options.PropertyOrders },
Limit = options.Limit
};
}
var results = _database.RunQuery(query);
return(results.Entities.Count);
}