public int RemoveByPrimaryKeyPrefix(ByteBuffer keyBytesPrefix)
{
var keysToDelete = new List <ByteBuffer>();
var enumerator = new RelationPrimaryKeyEnumerator <T>(_transaction, _relationInfo, keyBytesPrefix, _modificationCounter);
while (enumerator.MoveNext())
{
keysToDelete.Add(enumerator.GetKeyBytes());
}
foreach (var key in keysToDelete)
{
StartWorkingWithPK();
if (_transaction.KeyValueDBTransaction.Find(key) != FindResult.Exact)
{
throw new BTDBException("Not found record to delete.");
}
var valueBytes = _transaction.KeyValueDBTransaction.GetValue();
if (_hasSecondaryIndexes)
{
RemoveSecondaryIndexes(key, valueBytes);
}
if (_relationInfo.NeedImplementFreeContent())
{
_relationInfo.FreeContent(_transaction, valueBytes);
}
}
return(RemovePrimaryKeysByPrefix(keyBytesPrefix));
}
public int RemoveByPrimaryKeyPrefixPartial(ByteBuffer keyBytesPrefix, int maxCount)
{
var enumerator = new RelationPrimaryKeyEnumerator <T>(_transaction, _relationInfo, keyBytesPrefix, _modificationCounter);
var keysToDelete = new List <ByteBuffer>();
while (enumerator.MoveNext())
{
keysToDelete.Add(enumerator.GetKeyBytes());
if (keysToDelete.Count == maxCount)
{
break;
}
}
foreach (var key in keysToDelete)
{
RemoveById(key, true);
}
return(keysToDelete.Count);
}
public int RemoveByPrimaryKeyPrefix(ByteBuffer keyBytesPrefix)
{
var removedCount = 0;
var keysToDelete = new List <ByteBuffer>();
var enumerator = new RelationPrimaryKeyEnumerator <T>(_transaction, _relationInfo, keyBytesPrefix, this);
while (enumerator.MoveNext())
{
keysToDelete.Add(enumerator.GetKeyBytes());
}
foreach (var key in keysToDelete)
{
RemoveById(key, true);
removedCount++;
}
return(removedCount);
}