protected override IWhereFragment buildWhereFragment(MartenExpressionParser parser)
{
if (WhereClauses.Count == 0)
{
return(_storage.DefaultWhereFragment());
}
var where = WhereClauses.Count == 1
? parser.ParseWhereFragment(Fields, WhereClauses.Single().Predicate)
: new CompoundWhereFragment(parser, Fields, "and", WhereClauses);
return(_storage.FilterDocuments(null, where));
}
protected override IWhereFragment buildWhereFragment(MartenExpressionParser parser)
{
// TODO -- this logic is duplicated. Pull it into a helper somewhere.
// Find the duplication of DefaultWhereFragment/ FilterDocuments in other places
if (WhereClauses.Count == 0)
{
return(_storage.DefaultWhereFragment());
}
var where = WhereClauses.Count == 1
? parser.ParseWhereFragment(Fields, WhereClauses.Single().Predicate)
: new CompoundWhereFragment(parser, Fields, "and", WhereClauses);
return(_storage.FilterDocuments(null, where));
}
public void DeleteWhere <T>(Expression <Func <T, bool> > expression)
{
assertNotDisposed();
var parser = new MartenExpressionParser(Options.Serializer(), Options);
var model = MartenQueryParser.Flyweight.GetParsedQuery(Query <T>().Where(expression).As <MartenLinqQueryable <T> >().Expression);
var storage = StorageFor <T>();
var whereClauses = model.BodyClauses.OfType <WhereClause>().ToArray();
// This is duplicated logic
IWhereFragment where = null;
switch (whereClauses.Length)
{
case 0:
where = storage.DefaultWhereFragment();
break;
case 1:
where = parser.ParseWhereFragment(storage.Fields, whereClauses.Single().Predicate);
break;
default:
where = new CompoundWhereFragment(parser, storage.Fields, "and", whereClauses);
break;
}
where = storage.FilterDocuments(null, where);
var deletion = storage.DeleteForWhere(@where);
_unitOfWork.Add(deletion);
}
protected virtual IWhereFragment buildWhereFragment(MartenExpressionParser parser)
{
return(WhereClauses.Count == 1
? parser.ParseWhereFragment(Fields, WhereClauses.Single().Predicate)
: new CompoundWhereFragment(parser, Fields, "and", WhereClauses));
}
