public bool SaveChanges()
{
var success = true;
if (this.users != null)
{
success &= this.users.SaveChanges();
}
if (this.posts != null)
{
success &= this.posts.SaveChanges();
}
if (this.accounts != null)
{
success &= this.accounts.SaveChanges();
}
if (this.lists != null)
{
success &= this.lists.SaveChanges();
}
return success;
}