public void DeleteAllData()
{
_lastDictId = 0;
// Resetting last oid is risky due to singletons. So better to waste something.
_keyValueTrProtector.Start();
_keyValueTr.SetKeyPrefix(ObjectDB.AllObjectsPrefix);
_keyValueTr.EraseAll();
_keyValueTr.SetKeyPrefix(ObjectDB.AllDictionariesPrefix);
_keyValueTr.EraseAll();
_keyValueTr.SetKeyPrefix(ObjectDB.AllRelationsPKPrefix);
_keyValueTr.EraseAll();
_keyValueTr.SetKeyPrefix(ObjectDB.AllRelationsSKPrefix);
_keyValueTr.EraseAll();
}
public void Clear()
{
_keyValueTrProtector.Start();
_modificationCounter++;
_keyValueTr.SetKeyPrefix(_prefix);
_keyValueTr.EraseAll();
_count = 0;
}
void DeleteSecondaryKey(IKeyValueDBTransaction keyValueTr, uint prevIdx)
{
var writer = new ByteBufferWriter();
writer.WriteBlock(ObjectDB.AllRelationsSKPrefix);
writer.WriteVUInt32(Id);
writer.WriteVUInt32(prevIdx);
keyValueTr.SetKeyPrefix(writer.Data);
keyValueTr.EraseAll();
}
public int RemoveByKeyPrefixWithoutIterate(ByteBuffer keyBytesPrefix)
{
if (_hasSecondaryIndexes)
{
//keyBytePrefix contains [Index Relation, Primary key prefix] we need
// [Index Relation, Secondary Key Index, Primary key prefix]
int idBytesLength = ObjectDB.AllRelationsPKPrefix.Length + PackUnpack.LengthVUInt(_relationInfo.Id);
var writer = new ByteBufferWriter();
foreach (var secKey in _relationInfo.ClientRelationVersionInfo.SecondaryKeys)
{
WriteSKPrefix(writer);
writer.WriteVUInt32(_relationInfo.Id);
writer.WriteVUInt32(secKey.Key);
writer.WriteBlock(keyBytesPrefix.Buffer, idBytesLength, keyBytesPrefix.Length - idBytesLength);
_kvtr.SetKeyPrefix(writer.Data);
_kvtr.EraseAll();
writer.Reset();
}
}
return(RemovePrimaryKeysByPrefix(keyBytesPrefix));
}
public void Clear()
{
_modificationCounter++;
_keyValueTr.EraseAll(_prefix);
_count = 0;
}
public void EraseAll()
{
LogSimpleOperation(KVReplayOperation.EraseAll);
_tr.EraseAll();
}
public void EraseAll()
{
EraseAllCount++;
_keyValueDBTransaction.EraseAll();
}