-class TileNodes < ActiveRecord::Migration
- def self.upgrade_table(from_table, to_table)
- execute <<-END_SQL
- INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp, tile)
- SELECT id, ROUND(latitude * 10000000), ROUND(longitude * 10000000),
- user_id, visible, tags, timestamp,
- tile_for_point(CAST(ROUND(latitude * 10000000) AS UNSIGNED),
- CAST(ROUND(longitude * 10000000) AS UNSIGNED))
- FROM #{from_table}
- END_SQL
+require "migrate"
+
+class TileNodes < ActiveRecord::Migration[5.0]
+ def self.upgrade_table(from_table, to_table, model)
+ if ENV["USE_DB_FUNCTIONS"]
+ execute <<-SQL
+ INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp, tile)
+ SELECT id, ROUND(latitude * 10000000), ROUND(longitude * 10000000),
+ user_id, visible, tags, timestamp,
+ tile_for_point(CAST(ROUND(latitude * 10000000) AS INTEGER),
+ CAST(ROUND(longitude * 10000000) AS INTEGER))
+ FROM #{from_table}
+ SQL
+ else
+ execute <<-SQL
+ INSERT INTO #{to_table} (id, latitude, longitude, user_id, visible, tags, timestamp, tile)
+ SELECT id, ROUND(latitude * 10000000), ROUND(longitude * 10000000),
+ user_id, visible, tags, timestamp, 0
+ FROM #{from_table}
+ SQL
+
+ model.all.each(&:save!)
+ end