namespace 'db' do
- desc 'Adds a version number to the noes table'
+ desc 'Adds a version number to the nodes table'
task :node_version do
require File.dirname(__FILE__) + '/../../config/environment'
- lower_bound = 0
- increment = 100
- node_count = OldNode.count
- puts node_count
+ increment = 1000
+ offset = 0
+ id_max = OldNode.find(:first, :order => 'id desc').id
- while lower_bound < node_count
- upper_bound = lower_bound + increment
- hash = {}
-
- OldNode.find(:all, :conditions => ['id >= ? AND id < ?',lower_bound, upper_bound], :order => 'timestamp').each do |node|
- hash[node.id] = [] if hash[node.id].nil?
+ while offset < (id_max + increment)
+ hash = {}
+
+ #should be offsetting not selecting
+ OldNode.find(:all, :limit => increment, :offset => offset, :order => 'timestamp').each do |node|
+ if hash[node.id].nil?
+ hash[node.id] = []
+ end
hash[node.id] << node
end
n +=1
end
end
- lower_bound += increment
+ offset += increment
end
end
end