public ISqlJoin Join(J direction, ISqlTable obj, ISqlOn clause) => Join(new SqlJoin(direction, obj, clause));
public ISqlFrom Join(J direction, ISqlTable clause, ISqlOn onClause) => Join(new SqlJoin(direction, clause, onClause));
public SqlJoin(J direction, ISqlTable obj, ISqlOn clause) { DirectionRaw = direction; TableRaw = obj; OnRaw = clause; }