Rails - Jan 2007 - newbie alert! diff between @session['user'].id and @session[:user].id

I struggled for sometime to use @session[:user].id while using
LoginGenerator to retrieve id of the logged in user. In the end I could
make it work with @session[''user''].id. Shouldn''t the
two approaches be
same?

thanks.


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Hi, you should be able to use script console to determine if they are
equivalent.  For example,

irb(main):001:0> a = {}
=> {}
irb(main):002:0> a[:this] = ''foo''
=> "foo"
irb(main):003:0> a[:this]
=> "foo"
irb(main):004:0> a[''this''] = ''foo2''
=> "foo2"
irb(main):005:0> a[:this]
=> "foo"
irb(main):006:0> a[:this] == a[''this'']
=> false

Good luck,

-Conrad

On 1/25/07, newtorails. <smangla-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
> I struggled for sometime to use @session[:user].id while using
> LoginGenerator to retrieve id of the logged in user. In the end I could
> make it work with @session[''user''].id. Shouldn''t
the two approaches be
> same?
>
> thanks.
>
>
> >
>
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Ok, makes sense.. Thanks..
i think loginGenerator by default generates the code that use quotes
for array reference.

On Jan 25, 5:13 pm, "Conrad Taylor"
<conra...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hi, you should be able to use script console to determine if they are
> equivalent.  For example,
>
> irb(main):001:0> a = {}
> => {}
> irb(main):002:0> a[:this] = ''foo''
> => "foo"
> irb(main):003:0> a[:this]
> => "foo"
> irb(main):004:0> a[''this''] = ''foo2''
> => "foo2"
> irb(main):005:0> a[:this]
> => "foo"
> irb(main):006:0> a[:this] == a[''this'']
> => false
>
> Good luck,
>
> -Conrad
>
> On 1/25/07, newtorails.
<sman...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
>
>
>
>
> > I struggled for sometime to use @session[:user].id while using
> > LoginGenerator to retrieve id of the logged in user. In the end I
could
> > make it work with @session[''user''].id.
Shouldn''t the two approaches be
> > same?
> 
> > thanks.- Hide quoted text -- Show quoted text -

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Actually, this may be misleading in the case of session, params, and
other certain ''special'' hashes that Rails uses.  Rails has a
"HashWithIndifferentAccess" that allows accesing something by symbol
_and_ key, so that session[:foo] == session[''foo'']. 
I''m not positive
that session uses that hash, but you should test this right in a
controller and not just in a plain irb session.

- Rob
On 1/25/07, Conrad Taylor
<conradwt-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
> Hi, you should be able to use script console to determine if they are
> equivalent.  For example,
>
> irb(main):001:0> a = {}
> => {}
> irb(main):002:0> a[:this] = ''foo''
> => "foo"
> irb(main):003:0> a[:this]
> => "foo"
> irb(main):004:0> a[''this''] = ''foo2''
> => "foo2"
> irb(main):005:0> a[:this]
> => "foo"
> irb(main):006:0> a[:this] == a[''this'']
> => false
>
> Good luck,
>
> -Conrad
>
> On 1/25/07, newtorails.
<smangla-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> >
> > I struggled for sometime to use @session[:user].id while using
> > LoginGenerator to retrieve id of the logged in user. In the end I
could
> > make it work with @session[''user''].id.
Shouldn''t the two approaches be
> > same?
> >
> > thanks.
> >
> >
> > >
> >
>
> >
>
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A note: accessing the session with @session[] has been deprecated for
a while now
(a few months). Try using just ''session[:user]''.

--Matt

On 1/25/07, newtorails. <smangla-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
> I struggled for sometime to use @session[:user].id while using
> LoginGenerator to retrieve id of the logged in user. In the end I could
> make it work with @session[''user''].id. Shouldn''t
the two approaches be
> same?
>
> thanks.
>
>
> >
>

-- 
Matt Jones
mdj.acme-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
President/Technical Director, Acme Art Company (acmeartco.org)

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Hi, my test using IRB was consistent with my test using sessions
within a controller.  Thus, the following isn''t equal:

session[:user] != session[''user'']

In general, they implemented session as global hash within Rails.

-Conrad

On 1/25/07, Rob Sanheim <rsanheim-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
> Actually, this may be misleading in the case of session, params, and
> other certain ''special'' hashes that Rails uses.  Rails
has a
> "HashWithIndifferentAccess" that allows accesing something by
symbol
> _and_ key, so that session[:foo] == session[''foo'']. 
I''m not positive
> that session uses that hash, but you should test this right in a
> controller and not just in a plain irb session.
>
> - Rob
> On 1/25/07, Conrad Taylor
<conradwt-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> >
> > Hi, you should be able to use script console to determine if they are
> > equivalent.  For example,
> >
> > irb(main):001:0> a = {}
> > => {}
> > irb(main):002:0> a[:this] = ''foo''
> > => "foo"
> > irb(main):003:0> a[:this]
> > => "foo"
> > irb(main):004:0> a[''this''] =
''foo2''
> > => "foo2"
> > irb(main):005:0> a[:this]
> > => "foo"
> > irb(main):006:0> a[:this] == a[''this'']
> > => false
> >
> > Good luck,
> >
> > -Conrad
> >
> > On 1/25/07, newtorails.
<smangla-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > >
> > > I struggled for sometime to use @session[:user].id while using
> > > LoginGenerator to retrieve id of the logged in user. In the end I
could
> > > make it work with @session[''user''].id.
Shouldn''t the two approaches be
> > > same?
> > >
> > > thanks.
> > >
> > >
> > > >
> > >
> >
> > >
> >
>
> >
>
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Matt, changing @session to session[..] doesn''t change the situation..
let me know if you see anything different.

On Jan 26, 5:08 am, "Conrad Taylor"
<conra...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hi, my test using IRB was consistent with my test using sessions
> within a controller.  Thus, the following isn''t equal:
>
> session[:user] != session[''user'']
>
> In general, they implemented session as global hash within Rails.
>
> -Conrad
>
> On 1/25/07, Rob Sanheim
<rsanh...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
>
>
>
>
> > Actually, this may be misleading in the case of session, params, and
> > other certain ''special'' hashes that Rails uses. 
Rails has a
> > "HashWithIndifferentAccess" that allows accesing something
by symbol
> > _and_ key, so that session[:foo] == session[''foo'']. 
I''m not positive
> > that session uses that hash, but you should test this right in a
> > controller and not just in a plain irb session.
>
> > - Rob
> > On 1/25/07, Conrad Taylor
<conra...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > > Hi, you should be able to use script console to determine if they
are
> > > equivalent.  For example,
>
> > > irb(main):001:0> a = {}
> > > => {}
> > > irb(main):002:0> a[:this] = ''foo''
> > > => "foo"
> > > irb(main):003:0> a[:this]
> > > => "foo"
> > > irb(main):004:0> a[''this''] =
''foo2''
> > > => "foo2"
> > > irb(main):005:0> a[:this]
> > > => "foo"
> > > irb(main):006:0> a[:this] == a[''this'']
> > > => false
>
> > > Good luck,
>
> > > -Conrad
>
> > > On 1/25/07, newtorails.
<sman...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
> > > > I struggled for sometime to use @session[:user].id while
using
> > > > LoginGenerator to retrieve id of the logged in user. In the
end I could
> > > > make it work with @session[''user''].id.
Shouldn''t the two approaches be
> > > > same?
> 
> > > > thanks.- Hide quoted text -- Show quoted text -

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