public IQueryable <TElement> CreateQuery <TElement>(Expression expression)
{
if (_enumerableRootObject == null && FullDbUtility.IsQueryableExpression(expression))
{
_queryableExpression = expression;
return(new FullDbQueryObject <TElement>(this, expression));
}
else
{
if (_enumerableRootObject == null)
{
if (expression is MethodCallExpression m)
{
var args = m.Arguments.ToArray();
args[0] = Expression.Constant(null, typeof(IQueryable <TElement>));
expression = m.Update(null, args);
}
}
var temp = new FullDbQueryObject <TElement>(this, expression);
if (_enumerableRootObject == null)
{
_enumerableRootObject = temp;
}
return(temp);
}
}
internal FullDbQueryProvider(FullDbQueryObject root)
{
_root = root;
}