openstreetmap-website/lib/tasks/add_version_to_nodes.rake

45 lines
1.2 KiB
Ruby

namespace 'db' do
desc 'Populate the node_tags table'
task :node_version do
require File.dirname(__FILE__) + '/../../config/environment'
lower_bound = 0
increment = 100
node_count = OldNode.count
puts node_count
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?
hash[node.id] << node
end
hash.each_value do |node_array|
n = 1
node_array.each do |node|
temp_old_node = TempOldNode.new
temp_old_node.id = node.id
temp_old_node.latitude = node.latitude
temp_old_node.longitude = node.longitude
temp_old_node.user_id = node.user_id
temp_old_node.visible = node.visible
temp_old_node.timestamp = node.timestamp
temp_old_node.tile = node.tile
temp_old_node.version = node.version
temp_old_node.save! || raise
n +=1
end
end
lower_bound += increment
end
end
end