I'm sure this is total newb (since I am pretty newb) but I'm curious what
the issue is here. I attempt to role back all my migrations which I'm doing
with
rake db:migrate VERSION=0
(in /Users/rick/projects/rails/sillymeters)
== CreateSessions: never migrated, skipping
==================================
== CreateUsers: reverting
====================================================
-- drop_table(:users)
-> 0.0011s
== CreateUsers: reverted (0.0012s)
===========================================
== CreateMeters: reverting
===================================================
-- drop_table(:meters)
-> 0.0008s
== CreateMeters: reverted (0.0009s)
==========================================
etc..
Note the first one says "CreateSessions: never migrated, skipping"
When I then go to run the migrations, most go through fine, but then I get
the following error when it tries to run the CreateSessions migration:
~/projects/rails/sillymeters(master) $ rake db:migrate
(in /Users/rick/projects/rails/sillymeters)
== CreateSessions: migrating
=================================================
-- create_table(:sessions)-
rake aborted!
An error has occurred, this and all later migrations canceled:
SQLite3::SQLException: table "sessions" already exists: CREATE TABLE
"sessions" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "session_id"
varchar(255) NOT NULL, "data" text, "created_at" datetime, "updated_at"
datetime)
I'm assuming that each application has its own instance of SQLLite so I'm
curious how this error is occurring or what I need to do to fix it. I
'think' I might be getting this because it's possible I did at one point
have a similar migration that created the Session table, but then I deleted
that migration and created it as a new one with a new name. The table name
was the same though "sessions" so I don't get what is going on.
The migration in question looks like:
class CreateSessions < ActiveRecord::Migration
def self.up
create_table :sessions do |t|
t.string :session_id, :null => false
t.text :data
t.timestamps
end
add_index :sessions, :session_id
add_index :sessions, :updated_at
end
def self.down
drop_table :sessions
end
end
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