|  | @@ -600,27 +600,27 @@ type Follow struct {
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				|  |  |  
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				|  |  |  // FollowUser marks someone be another's follower.
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				|  |  |  func FollowUser(userId int64, followId int64) (err error) {
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				|  |  | -	session := x.NewSession()
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				|  |  | -	defer session.Close()
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				|  |  | -	session.Begin()
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				|  |  | +	sess := x.NewSession()
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				|  |  | +	defer sess.Close()
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				|  |  | +	sess.Begin()
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				|  |  |  
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				|  |  | -	if _, err = session.Insert(&Follow{UserId: userId, FollowId: followId}); err != nil {
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				|  |  | -		session.Rollback()
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				|  |  | +	if _, err = sess.Insert(&Follow{UserId: userId, FollowId: followId}); err != nil {
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				|  |  | +		sess.Rollback()
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				|  |  |  		return err
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				|  |  |  	}
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				|  |  |  
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				|  |  |  	rawSql := "UPDATE `user` SET num_followers = num_followers + 1 WHERE id = ?"
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				|  |  | -	if _, err = session.Exec(rawSql, followId); err != nil {
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				|  |  | -		session.Rollback()
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				|  |  | +	if _, err = sess.Exec(rawSql, followId); err != nil {
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				|  |  | +		sess.Rollback()
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				|  |  |  		return err
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				|  |  |  	}
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				|  |  |  
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				|  |  |  	rawSql = "UPDATE `user` SET num_followings = num_followings + 1 WHERE id = ?"
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				|  |  | -	if _, err = session.Exec(rawSql, userId); err != nil {
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				|  |  | -		session.Rollback()
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				|  |  | +	if _, err = sess.Exec(rawSql, userId); err != nil {
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				|  |  | +		sess.Rollback()
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				|  |  |  		return err
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				|  |  |  	}
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				|  |  | -	return session.Commit()
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				|  |  | +	return sess.Commit()
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				|  |  |  }
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				|  |  |  
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				|  |  |  // UnFollowUser unmarks someone be another's follower.
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