15 lines
551 B
Ruby
15 lines
551 B
Ruby
# encoding: UTF-8
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# frozen_string_literal: true
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class UpdateDeprecatedCurrencyIds < ActiveRecord::Migration[4.2]
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def change
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# Migrate deprecated market codes to new.
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if File.file?('config/markets.old.yml')
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(YAML.load_file('config/markets.old.yml') || []).each do |market|
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execute %{UPDATE orders SET market_id = '#{market.fetch('id')}' WHERE market_id = '#{market.fetch('code')}'}
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execute %{UPDATE trades SET market_id = '#{market.fetch('id')}' WHERE market_id = '#{market.fetch('code')}'}
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end
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end
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end
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end
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