10 lines
322 B
Ruby
10 lines
322 B
Ruby
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class Version04UpdateImpressionsTable < ActiveRecord::Migration
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def self.up
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add_index :impressions, [:impressionable_type, :message, :impressionable_id], :name => "impressionable_type_message_index", :unique => false
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end
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def self.down
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remove_index :impressions, :impressionable_type_message_index
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end
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end
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