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Thufir

2007-Dec-11 10:39 UTC

rake fails

I don''t understand why the rake fails.  More precisely, the rake 
succeeds, but reverting to version 0 fails and I don''t see why :(



thufir@arrakis ~/Desktop/predator-prey $ 
thufir@arrakis ~/Desktop/predator-prey $ 
thufir@arrakis ~/Desktop/predator-prey $ cat db/migrate/001_predators.rb 
class Predators < ActiveRecord::Migration
        def self.up
                create_table :predators do |table|
                        table.column    :predator,      :string
                end
        end

        def self.down
                drop_table :predators
        end
end
thufir@arrakis ~/Desktop/predator-prey $ 
thufir@arrakis ~/Desktop/predator-prey $ rake db:migrate
(in /home/thufir/Desktop/predator-prey)
thufir@arrakis ~/Desktop/predator-prey $ 
thufir@arrakis ~/Desktop/predator-prey $ rake db:migrate VERSION=0
(in /home/thufir/Desktop/predator-prey)
== Predators: reverting 
======================================================-- drop_table(:predators)
rake aborted!
SQLite3::SQLException: no such table: predators: DROP TABLE predators

(See full trace by running task with --trace)
thufir@arrakis ~/Desktop/predator-prey $ 
           



thanks,

Thufir


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Frederick Cheung

2007-Dec-11 10:43 UTC

head link

Re: rake fails

On 11 Dec 2007, at 10:39, Thufir wrote:
>
> I don''t understand why the rake fails.  More precisely, the rake
> succeeds, but reverting to version 0 fails and I don''t see why :(
>
>
>
> thufir@arrakis ~/Desktop/predator-prey $
> thufir@arrakis ~/Desktop/predator-prey $
> thufir@arrakis ~/Desktop/predator-prey $ cat db/migrate/ 
> 001_predators.rb
> class Predators < ActiveRecord::Migration
>        def self.up
>                create_table :predators do |table|
>                        table.column    :predator,      :string
>                end
>        end
>
>        def self.down
>                drop_table :predators
>        end
> end
Sounds like it already thought you were at schema level 1. Did you  
change the migration after having previously run it (without migrating  
down to 0 in between)>
> thufir@arrakis ~/Desktop/predator-prey $
> thufir@arrakis ~/Desktop/predator-prey $ rake db:migrate
> (in /home/thufir/Desktop/predator-prey)
> thufir@arrakis ~/Desktop/predator-prey $
> thufir@arrakis ~/Desktop/predator-prey $ rake db:migrate VERSION=0
> (in /home/thufir/Desktop/predator-prey)
> == Predators: reverting
> ======================================================> --
drop_table(:predators)
> rake aborted!
> SQLite3::SQLException: no such table: predators: DROP TABLE predators
>
> (See full trace by running task with --trace)
> thufir@arrakis ~/Desktop/predator-prey $
>
>
>
>
> thanks,
>
> Thufir
>
>
> >

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Thufir

2007-Dec-11 19:37 UTC

head link

Re: rake fails

On Tue, 11 Dec 2007 10:43:37 +0000, Frederick Cheung wrote:

> Sounds like it already thought you were at schema level 1. Did you
> change the migration after having previously run it (without migrating
> down to 0 in between)
I guess it could be due to running the "rake db:migrate" prior to 
configuring the db/migration/001_ file to add/drop tables?

I''d like to be able to "rake db:migrate VERSION=0"; to do so,
merge back
to r2 and configure the db/migration/001_ file *prior* to the initial 
"rake db:migrate" command.

Sorta kinda makes sense.  I know, kinda silly in a way, but I''d like to
fix it.  

thufir@arrakis ~/Desktop/predator-prey $ 
thufir@arrakis ~/Desktop/predator-prey $ svn log
------------------------------------------------------------------------
r7 | hawat.thufir | 2007-12-11 02:31:58 -0800 (Tue, 11 Dec 2007) | 2 lines

fixed syntax

------------------------------------------------------------------------
r6 | hawat.thufir | 2007-12-11 02:30:38 -0800 (Tue, 11 Dec 2007) | 2 lines

fixed syntax

------------------------------------------------------------------------
r5 | hawat.thufir | 2007-12-11 02:29:36 -0800 (Tue, 11 Dec 2007) | 2 lines

add/drop predator table

------------------------------------------------------------------------
r4 | hawat.thufir | 2007-12-11 02:25:00 -0800 (Tue, 11 Dec 2007) | 3 lines

rake db:migrate


------------------------------------------------------------------------
r3 | hawat.thufir | 2007-12-11 02:22:34 -0800 (Tue, 11 Dec 2007) | 3 lines

 script/generate migration predators


------------------------------------------------------------------------
r2 | hawat.thufir | 2007-12-11 02:10:27 -0800 (Tue, 11 Dec 2007) | 3 lines

thufir@arrakis ~/Desktop $ rails predator-prey --database=sqlite3


------------------------------------------------------------------------
r1 | (no author) | 2007-12-11 02:04:54 -0800 (Tue, 11 Dec 2007) | 1 line

Initial directory structure.
------------------------------------------------------------------------
thufir@arrakis ~/Desktop/predator-prey $ 



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Frederick Cheung

2007-Dec-11 19:50 UTC

head link

Re: rake fails

On 11 Dec 2007, at 19:37, Thufir wrote:
>
> On Tue, 11 Dec 2007 10:43:37 +0000, Frederick Cheung wrote:
>
>
>> Sounds like it already thought you were at schema level 1. Did you
>> change the migration after having previously run it (without  
>> migrating
>> down to 0 in between)
>
> I guess it could be due to running the "rake db:migrate" prior to
> configuring the db/migration/001_ file to add/drop tables?
>that would do it. comment out the stuff in the down migration, migrate  
down, uncomment and migrate back up.

Fred.> I''d like to be able to "rake db:migrate VERSION=0"; to
do so, merge
> back
> to r2 and configure the db/migration/001_ file *prior* to the initial
> "rake db:migrate" command.
>
> Sorta kinda makes sense.  I know, kinda silly in a way, but I''d
like
> to
> fix it.
>
> thufir@arrakis ~/Desktop/predator-prey $
> thufir@arrakis ~/Desktop/predator-prey $ svn log
> ------------------------------------------------------------------------
> r7 | hawat.thufir | 2007-12-11 02:31:58 -0800 (Tue, 11 Dec 2007) | 2  
> lines
>
> fixed syntax
>
> ------------------------------------------------------------------------
> r6 | hawat.thufir | 2007-12-11 02:30:38 -0800 (Tue, 11 Dec 2007) | 2  
> lines
>
> fixed syntax
>
> ------------------------------------------------------------------------
> r5 | hawat.thufir | 2007-12-11 02:29:36 -0800 (Tue, 11 Dec 2007) | 2  
> lines
>
> add/drop predator table
>
> ------------------------------------------------------------------------
> r4 | hawat.thufir | 2007-12-11 02:25:00 -0800 (Tue, 11 Dec 2007) | 3  
> lines
>
> rake db:migrate
>
>
> ------------------------------------------------------------------------
> r3 | hawat.thufir | 2007-12-11 02:22:34 -0800 (Tue, 11 Dec 2007) | 3  
> lines
>
> script/generate migration predators
>
>
> ------------------------------------------------------------------------
> r2 | hawat.thufir | 2007-12-11 02:10:27 -0800 (Tue, 11 Dec 2007) | 3  
> lines
>
> thufir@arrakis ~/Desktop $ rails predator-prey --database=sqlite3
>
>
> ------------------------------------------------------------------------
> r1 | (no author) | 2007-12-11 02:04:54 -0800 (Tue, 11 Dec 2007) | 1  
> line
>
> Initial directory structure.
> ------------------------------------------------------------------------
> thufir@arrakis ~/Desktop/predator-prey $
>
>
>
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Rails - Dec 2007 - rake fails

rake fails

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