def p_postpositions(p):
    '''
    postpositions : LIMIT NUMBER postpositions
                  | ORDER BY colspec postpositions
                  | empty
    '''
    if len(p) > 2:
        if p[1] == "LIMIT":
            postposition = {
                "limit": p[2]
            }
            rest = p[3] if p[3] else {}
        elif p[1:3] == ["ORDER", "BY"]:
            postposition = {
                "order by": p[3]
            }
            rest = p[4] if p[4] else {}
        else:
            breakpoint()
        p[0] = {**postposition, **rest}
    else:
        p[0] = {}