d130db9fa8
Although these migrations run fine today, they could break in the future if changes are made to the current model code.
31 lines
946 B
Ruby
31 lines
946 B
Ruby
require "migrate"
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class TileTracepoints < ActiveRecord::Migration[4.2]
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class Tracepoint < ActiveRecord::Base
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self.table_name = "gps_points"
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end
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def self.up
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add_column "gps_points", "tile", :bigint
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add_index "gps_points", ["tile"], :name => "points_tile_idx"
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remove_index "gps_points", :name => "points_idx"
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if ENV["USE_DB_FUNCTIONS"]
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Tracepoint.update_all("latitude = latitude * 10, longitude = longitude * 10, tile = tile_for_point(latitude * 10, longitude * 10)")
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else
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Tracepoint.all.each do |tp|
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tp.latitude = tp.latitude * 10
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tp.longitude = tp.longitude * 10
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tp.save!
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end
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end
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end
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def self.down
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Tracepoint.update_all("latitude = latitude / 10, longitude = longitude / 10")
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add_index "gps_points", %w[latitude longitude], :name => "points_idx"
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remove_index "gps_points", :name => "points_tile_idx"
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remove_column "gps_points", "tile"
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end
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end
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