DBreeze.Scheme.IfUserTableExists C# (CSharp) Method

        public bool IfUserTableExists(string userTableName)
        {
            string tableName = GetUserTableNameAsString(userTableName);

            _sync_openTablesHolder.EnterWriteLock();
            try
            {
                if (_openTablesHolder.ContainsKey(tableName))
                    return true;

                ////Searching on the disk
                byte[] btTableName = this.GetUserTableNameAsByte(userTableName);
                var row = LTrie.GetKey(btTableName, false);
                return row.Exists;
            }
            catch (System.Exception ex)
            {
                throw ex;
            }
            finally
            {
                _sync_openTablesHolder.ExitWriteLock();
            }

            ////First trying to acquire memory storage, without lock but inside of "ignoring" try-catch, if answer is failed refer to the disk

            //_sync_openTablesHolder.EnterReadLock();
            //try
            //{
            //    if (_openTablesHolder.ContainsKey(tableName))
            //        return true;

            //}
            //finally
            //{
            //    _sync_openTablesHolder.ExitReadLock();
            //}

            //////Searching on the disk
            //byte[] btTableName = this.GetUserTableNameAsByte(userTableName);
            //var row = LTrie.GetKey(btTableName, true);
            //return row.Exists;
        }