bool IsIndex(int pos)
{
return llist.IsIndex(pos);
}
bool Set_Del_FLAG_FORKEY()
{
cout <<"请输入待修改的列名:";
string str;
cin >>str;
int pos = FindColumn(str);
if (pos == -1)
{
cout <<"未找到该列." <<endl;
return false;
}
else
{
char flag;
cout <<"设置外键(1) / 删除外键(0) ";
cin >>flag;
if (llist.SetCOLUMN_FLAG_FORKEY(pos, flag))
cout <<"修改成功." <<endl;
else
cout <<"未作修改." <<endl;
return true;
}
}
