internal GathererQueryable(IQueryProvider provider, Expression expression)
{
if (provider == null)
{
provider = new GathererQueryProvider <TData>();
}
if (expression == null)
{
Expression = Expression.Constant(this);
}
if (!typeof(IQueryable <TData>).IsAssignableFrom(expression.Type))
{
throw new InvalidOperationException("expression");
}
Provider = provider;
Expression = expression;
}
public GathererQueryable()
{
Provider = new GathererQueryProvider <TData>();
Expression = Expression.Constant(this);
}
