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Fall back to a pure ruby update implementation if the tile_for_point

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function is not present in MySQL.
This commit is contained in:
Tom Hughes 2007-09-28 23:18:13 +00:00
parent 05602fc9d7
commit e7d834625c
1 changed files with 9 additions and 1 deletions
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10
db/migrate/005_tile_tracepoints.rb
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@ -4,7 +4,15 @@ class TileTracepoints < ActiveRecord::Migration
add_index "gps_points", ["tile"], :name => "points_tile_idx"
remove_index "gps_points", :name => "points_idx"
Tracepoint.update_all("latitude = latitude * 10, longitude = longitude * 10, tile = tile_for_point(latitude * 10, longitude * 10)")
begin
Tracepoint.update_all("latitude = latitude * 10, longitude = longitude * 10, tile = tile_for_point(latitude * 10, longitude * 10)")
rescue ActiveRecord::StatementInvalid => ex
Tracepoint.find(:all).each do |tp|
tp.latitude = tp.latitude * 10
tp.longitude = tp.longitude * 10
tp.save!
end
end
end
def self.down