void MakeWritable()
{
if (_writing)
{
return;
}
if (_preapprovedWriting)
{
_writing = true;
_preapprovedWriting = false;
return;
}
if (_readOnly)
{
throw new BTDBTransactionRetryException("Cannot write from readOnly transaction");
}
var oldBTreeRoot = BtreeRoot;
_btreeRoot = _keyValueDB.MakeWritableTransaction(this, oldBTreeRoot);
_btreeRoot.DescriptionForLeaks = _descriptionForLeaks;
_writing = true;
InvalidateCurrentKey();
}