public static bool DeleteGroup(string name, SQLiteConnector conn)
        {
            using (var bl = new SQLiteQueryBuilder(Plugin.SQLSafeName))
            {
                bl.Delete(TableDefinition.TableName, new WhereFilter(TableDefinition.ColumnNames.Name, name));

                return(((IDataConnector)conn).ExecuteNonQuery(bl) > 0);
            }
        }
        public static bool DeleteLink(SQLiteConnector conn, long userId, long groupId)
        {
            using (var bl = new SQLiteQueryBuilder(Plugin.SQLSafeName))
            {
                bl.Delete(TableDefinition.TableName,
                          new WhereFilter(TableDefinition.ColumnNames.UserId, userId.ToString()),
                          new WhereFilter(TableDefinition.ColumnNames.GroupId, groupId.ToString()));

                return(((IDataConnector)conn).ExecuteNonQuery(bl) > 0);
            }
        }