-require 'lib/migrate'
+require "migrate"
class AddChangesets < ActiveRecord::Migration
- @@conv_user_tables = ['current_nodes',
- 'current_relations', 'current_ways', 'nodes', 'relations', 'ways' ]
-
+ @conv_user_tables = %w(current_nodes current_relations current_ways nodes relations ways)
+
def self.up
- create_table "changesets", innodb_table do |t|
- t.column "id", :bigint_pk, :null => false
- t.column "user_id", :bigint, :limit => 20, :null => false
- t.column "created_at", :datetime, :null => false
- t.column "open", :boolean, :null => false, :default => true
- t.column "min_lat", :integer, :null => true
- t.column "max_lat", :integer, :null => true
- t.column "min_lon", :integer, :null => true
- t.column "max_lon", :integer, :null => true
+ create_table "changesets", :id => false do |t|
+ t.column "id", :bigserial, :primary_key => true, :null => false
+ t.column "user_id", :bigint, :null => false
+ t.column "created_at", :datetime, :null => false
+ t.column "open", :boolean, :null => false, :default => true
+ t.column "min_lat", :integer, :null => true
+ t.column "max_lat", :integer, :null => true
+ t.column "min_lon", :integer, :null => true
+ t.column "max_lon", :integer, :null => true
end
- create_table "changeset_tags", innodb_table do |t|
- t.column "id", :bigint, :limit => 64, :null => false
+ create_table "changeset_tags", :id => false do |t|
+ t.column "id", :bigint, :null => false
t.column "k", :string, :default => "", :null => false
t.column "v", :string, :default => "", :null => false
end
add_index "changeset_tags", ["id"], :name => "changeset_tags_id_idx"
-
+
#
- # Initially we will have one changeset for every user containing
- # all edits up to the API change,
+ # Initially we will have one changeset for every user containing
+ # all edits up to the API change,
# all the changesets will have the id of the user that made them.
# We need to generate a changeset for each user in the database
- execute "INSERT INTO changesets (id, user_id, created_at, open)" +
+ execute "INSERT INTO changesets (id, user_id, created_at, open)" +
"SELECT id, id, creation_time, false from users;"
- @@conv_user_tables.each { |tbl|
+ @conv_user_tables.each do |tbl|
rename_column tbl, :user_id, :changeset_id
- #foreign keys too
- add_foreign_key tbl, [:changeset_id], :changesets, [:id]
- }
+ # foreign keys too
+ add_foreign_key tbl, :changesets, :name => "#{tbl}_changeset_id_fkey"
+ end
end
def self.down
# It's not easy to generate the user ids from the changesets
- raise IrreversibleMigration.new
- #drop_table "changesets"
- #drop_table "changeset_tags"
+ fail ActiveRecord::IrreversibleMigration
+ # drop_table "changesets"
+ # drop_table "changeset_tags"
end
end