9 lines
267 B
Ruby
9 lines
267 B
Ruby
class ImproveIndexes < ActiveRecord::Migration[4.2]
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def change
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remove_index :trades, column: [:market_id]
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remove_index :accounts, column: [:currency_id]
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add_index :currencies, [:enabled, :code]
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remove_index :currencies, column: [:enabled]
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end
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end
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