On 20 October 2010 10:09, Stefan Rohlfing <stefan.rohlf...@gmail.com> wrote:
> Dear Clojure group,
>
> I am currently reading chapter 9.1 MySQL & clj-record of 'Clojure in
> Action'.
>
> clj-record seems pretty awesome, but I once again got lost in
> namespace jungle.
>
> Here is a concrete example:
>
> --------------------------------------------------------------------------------
>
> File 1: src/active-record/credentials.clj
> [Database credentials]
>
> (ns active-record.credentials)
>
> (def db
> {:classname "com.mysql.jdbc.Driver"
> :subprotocol "mysql"
> :user "xxxx"
> :password "xxxx"
> :subname "//localhost:3306/damages_dev"
> })
>
>
> --------------------------------------------------------------------------------
>
> File 2: src/active-record/user.clj
> [Belongs to the database name with the name 'users']
>
>
> (ns active-record.user
> (:use [active-record.credentials :only [db]])
> (:require clj-record.boot))
>
>
> (clj-record.core/init-model
> (:associations
> (has-many charges)))
>
>
> --------------------------------------------------------------------------------
>
>
> File 3: src/active-record/charge.clj
> [Belongs to the database name with the name 'charges']
>
>
> (ns active-record.user
> (:use [active-record.credentials :only [db]])
> (:require clj-record.boot))
>
>
> (clj-record.core/init-model
> (:associations
> (has-many charges)))
>
>
> --------------------------------------------------------------------------------
>
> I want to add/remove/alter table entries in a different file:
>
> File 4: src/active-record/program/core.clj
>
> All my efforts to import the user.clj and charge.clj namespaces have
> failed so far. For example, I have tried the following namespace
> declaration:
>
> (ns active-record.program.core
> (:require [active-record.user :as user])
Just a guess, but try something other than "user". The user namespace
is the default namespace when using the repl and maybe there's some
sort of conflict there.
I'm not sure how likely that is, but it's worth a try, I think :)
> (:require [active-record.charge :as charge])
> (:require clj-record.boot))
>
> (user/create
> {:login "rob"
> :first_name "Robert"
> :last_name "Berger"
> :password "secret"
> :email_address "r...@runa.com"})
>
> ;; No such var: user/create
> ;; [Thrown class java.lang.Exception]
>
> This one doesn't work either:
>
> (ns active-record.program.core
> (:require [active-record.user :as user])
> (:require [active-record.charge :as charge]))
>
> ;; EOF while reading
> ;; [Thrown class java.lang.Exception]
>
> Can anybody tell me what went wrong in the example above?
--
Michael Wood <esiot...@gmail.com>
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