private static async Task RemoveKeysWithPrefixAsync(
ITransaction tx,
IReliableDictionary2 <string, byte[]> relDict,
string keyPrefix,
CancellationToken cancellationToken)
{
var enumerable = await relDict.CreateKeyEnumerableAsync(tx, EnumerationMode.Ordered);
var enumerator = enumerable.GetAsyncEnumerator();
var canBreak = false;
while (await enumerator.MoveNextAsync(cancellationToken))
{
if (enumerator.Current.StartsWith(keyPrefix, StringComparison.OrdinalIgnoreCase))
{
canBreak = true;
await relDict.TryRemoveAsync(tx, enumerator.Current);
}
else
{
if (canBreak)
{
break;
}
}
}
}
public Task <IAsyncEnumerable <TKey> > CreateKeyEnumerableAsync(ITransaction tx)
{
return(_dictionary.CreateKeyEnumerableAsync(tx));
}
/// <summary>
/// Create an async enumerable over the set of distinct filter values in this index.
/// </summary>
public Task <IAsyncEnumerable <TFilter> > CreateEnumerableAsync(ITransaction tx, EnumerationMode enumerationMode, TimeSpan timeout, CancellationToken token)
{
return(_index.CreateKeyEnumerableAsync(tx, enumerationMode, timeout, token));
}
public Task <IAsyncEnumerable <string> > CreateKeyEnumerableAsync(ITransaction tx) => _metadataStore.CreateKeyEnumerableAsync(tx, EnumerationMode.Unordered);