public void EraseRange(long firstKeyIndex, long lastKeyIndex)
{
if (firstKeyIndex < 0)
{
firstKeyIndex = 0;
}
if (lastKeyIndex >= GetKeyValueCount())
{
lastKeyIndex = _prefixKeyCount - 1;
}
if (lastKeyIndex < firstKeyIndex)
{
return;
}
MakeWrittable();
firstKeyIndex += _prefixKeyStart;
lastKeyIndex += _prefixKeyStart;
InvalidateCurrentKey();
_prefixKeyCount -= lastKeyIndex - firstKeyIndex + 1;
BtreeRoot.FillStackByIndex(_stack, firstKeyIndex);
if (firstKeyIndex == lastKeyIndex)
{
_keyValueDB.WriteEraseOneCommand(GetCurrentKeyFromStack());
}
else
{
var firstKey = GetCurrentKeyFromStack();
BtreeRoot.FillStackByIndex(_stack, lastKeyIndex);
_keyValueDB.WriteEraseRangeCommand(firstKey, GetCurrentKeyFromStack());
}
BtreeRoot.EraseRange(firstKeyIndex, lastKeyIndex);
}
