protected override Expression VisitSubQuery(SubQueryExpression expression)
{
var queryType = expression.QueryModel.MainFromClause.ItemType;
// Simple types
if (TypeMappings.HasTypeMapping(queryType))
{
var contains = expression.QueryModel.ResultOperators.OfType <ContainsResultOperator>().FirstOrDefault();
if (contains != null)
{
var @where = ContainmentWhereFragment.SimpleArrayContains(_parent._serializer, expression.QueryModel.MainFromClause.FromExpression, contains.Item.Value());
_register.Peek()(@where);
return(null);
}
}
if (expression.QueryModel.ResultOperators.Any(x => x is AnyResultOperator))
{
var @where = new CollectionAnyContainmentWhereFragment(_parent._serializer, expression);
_register.Peek()(@where);
return(null);
}
return(base.VisitSubQuery(expression));
}
public void Parse()
{
var invalidOperators = _query.ResultOperators.Where(x => !ValidOperators.Contains(x.GetType()))
.ToArray();
if (invalidOperators.Any())
{
var names = invalidOperators.Select(x => x.GetType().Name).Join(", ");
throw new NotSupportedException($"Marten does not yet support {names} operators in child collection queries");
}
var members = FindMembers.Determine(_query.MainFromClause.FromExpression);
var queryType = _query.SourceType();
var isPrimitive = TypeMappings.HasTypeMapping(queryType);
Visit(_expression);
// Simple types
if (isPrimitive)
{
var contains = _query.ResultOperators.OfType <ContainsResultOperator>().FirstOrDefault();
if (contains != null)
{
var @where = ContainmentWhereFragment.SimpleArrayContains(members, _serializer, _query.MainFromClause.FromExpression, contains.Item.Value());
_registerFilter(@where);
return;
}
}
if (_query.ResultOperators.Any(x => x is AnyResultOperator))
{
// Any() without predicate
if (!_query.BodyClauses.Any())
{
var @where_any_nopredicate = new CollectionAnyNoPredicateWhereFragment(members, _expression);
_registerFilter(@where_any_nopredicate);
return;
}
var @where = new CollectionAnyContainmentWhereFragment(members, _serializer, _expression);
_registerFilter(@where);
}
}
protected override Expression VisitSubQuery(SubQueryExpression expression)
{
var queryType = expression.QueryModel.MainFromClause.ItemType;
// Simple types
if (TypeMappings.HasTypeMapping(queryType))
{
var contains = expression.QueryModel.ResultOperators.OfType<ContainsResultOperator>().FirstOrDefault();
if (contains != null)
{
var @where = ContainmentWhereFragment.SimpleArrayContains(_parent._serializer, expression.QueryModel.MainFromClause.FromExpression, contains.Item.Value());
_register.Peek()(@where);
return null;
}
}
if (expression.QueryModel.ResultOperators.Any(x => x is AnyResultOperator))
{
var @where = new CollectionAnyContainmentWhereFragment(_parent._serializer, expression);
_register.Peek()(@where);
return null;
}
return base.VisitSubQuery(expression);
}