Not getting all data fields from Rails query

Rails
1

Hello,

I am trying to get specific fields returned from my query but I am not
getting some of them.

For example when I use

User.joins(:books).select(“users.email, users.fname,
books.name”).find(7)

The generated SQL Query from above code is

SELECT users.email, users.fname, books.name
FROM users
INNER JOIN book_users ON users.id = book_users.user_id
INNER JOIN books ON books.id = book_users.book_id
WHERE users.id = 7
LIMIT 1

Output received is -

#<User email: “[email protected]”, fname: “Arlene”>

Rails doesn’t return the books.name even though the generated sql
query has that an if I run the sql directly I get the three columns.

I am on Rails 3.0.5 and Ruby 1.9.2p180. Is there any configuration
setting to enable this or am I missing something here?

Thanks,
-S

2

Hi,

You are getting all the fields it’s just that the console is only
displaying
the user object.
try this:

user = User.joins(:books).select("users.email, users.fname,books.name
").find(7)
user.name

You might want to take look at Hirb, it’s a mini view framework for your
console(you will be able to view all fields in a nice formatted table)

Hope it helps.
-Jazmin

On Thu, Jun 2, 2011 at 9:02 PM, skt [email protected] wrote:

The generated SQL Query from above code is
#<User email: “[email protected]”, fname: “Arlene”>

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Jazmin

3

Thanks Jazmin. I was wondering what was going on and wasn’t aware that
console didn’t show all the values - it is very misleading if one
isn’t aware of this.

Thanks again.