+require 'lib/migrate'
+
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
+ def self.upgrade_table(from_table, to_table, model)
+ if ENV["USE_DB_FUNCTIONS"]
+ 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 INTEGER),
+ CAST(ROUND(longitude * 10000000) AS INTEGER))
+ FROM #{from_table}
+ END_SQL
+ else
+ 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, 0
+ FROM #{from_table}
+ END_SQL
+
+ model.find(:all).each do |n|
+ n.save!
+ end
+ end
end
def self.downgrade_table(from_table, to_table)
end
def self.up
+ remove_index "current_nodes", :name => "current_nodes_timestamp_idx"
+
rename_table "current_nodes", "current_nodes_v5"
create_table "current_nodes", innodb_table do |t|
- t.column "id", :bigint, :limit => 64, :null => false
+ t.column "id", :bigint_pk_64, :null => false
t.column "latitude", :integer, :null => false
t.column "longitude", :integer, :null => false
t.column "user_id", :bigint, :limit => 20, :null => false
t.column "tile", :integer, :null => false
end
- add_primary_key "current_nodes", ["id"]
add_index "current_nodes", ["timestamp"], :name => "current_nodes_timestamp_idx"
add_index "current_nodes", ["tile"], :name => "current_nodes_tile_idx"
- change_column "current_nodes", "id", :bigint, :limit => 64, :null => false, :options => "AUTO_INCREMENT"
- change_column "current_nodes", "tile", :integer, :null => false, :unsigned => true
-
- upgrade_table "current_nodes_v5", "current_nodes"
+ change_column "current_nodes", "tile", :four_byte_unsigned
+ upgrade_table "current_nodes_v5", "current_nodes", Node
+
drop_table "current_nodes_v5"
+ remove_index "nodes", :name=> "nodes_uid_idx"
+ remove_index "nodes", :name=> "nodes_timestamp_idx"
rename_table "nodes", "nodes_v5"
create_table "nodes", myisam_table do |t|
add_index "nodes", ["timestamp"], :name => "nodes_timestamp_idx"
add_index "nodes", ["tile"], :name => "nodes_tile_idx"
- change_column "nodes", "tile", :integer, :null => false, :unsigned => true
+ change_column "nodes", "tile", :four_byte_unsigned
- upgrade_table "nodes_v5", "nodes"
+ upgrade_table "nodes_v5", "nodes", OldNode
drop_table "nodes_v5"
end
rename_table "current_nodes", "current_nodes_v6"
create_table "current_nodes", innodb_table do |t|
- t.column "id", :bigint, :limit => 64, :null => false
+ t.column "id", :bigint_pk_64, :null => false
t.column "latitude", :double, :null => false
t.column "longitude", :double, :null => false
t.column "user_id", :bigint, :limit => 20, :null => false
t.column "timestamp", :datetime, :null => false
end
- add_primary_key "current_nodes", ["id"]
add_index "current_nodes", ["latitude", "longitude"], :name => "current_nodes_lat_lon_idx"
add_index "current_nodes", ["timestamp"], :name => "current_nodes_timestamp_idx"
- change_column "current_nodes", "id", :bigint, :limit => 64, :null => false, :options => "AUTO_INCREMENT"
-
downgrade_table "current_nodes_v6", "current_nodes"
drop_table "current_nodes_v6"