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class CreateImpressionsTable < ActiveRecord::Migration
def self.up
add_column :impressions, :session_hash, :string
remove_index :impressions, :name => :poly_index
remove_index :impressions, :name => :controlleraction_index
add_index :impressions, [:impressionable_type, :impressionable_id, :request_hash], :name => "poly_request_index", :unique => false
add_index :impressions, [:impressionable_type, :impressionable_id, :ip_address], :name => "poly_ip_index", :unique => false
add_index :impressions, [:impressionable_type, :impressionable_id, :session_hash], :name => "poly_session_index", :unique => false
add_index :impressions, [:controller_name,:action_name,:request_hash], :name => "controlleraction_request_index", :unique => false
add_index :impressions, [:controller_name,:action_name,:ip_address], :name => "controlleraction_ip_index", :unique => false
add_index :impressions, [:controller_name,:action_name,:session_hash], :name => "controlleraction_session_index", :unique => false
end
def self.down
remove_column :impressions, :session_hash
remove_index :impressions, :name => :poly_request_index
remove_index :impressions, :name => :poly_ip_index
remove_index :impressions, :name => :poly_session_index
remove_index :impressions, :name => :controlleraction_request_index
remove_index :impressions, :name => :controlleraction_ip_index
remove_index :impressions, :name => :controlleraction_session_index
remove_index :impressions, :user_id
add_index :impressions, [:impressionable_type, :impressionable_id, :request_hash, :ip_address], :name => "poly_index", :unique => false
add_index :impressions, [:controller_name,:action_name,:request_hash,:ip_address], :name => "controlleraction_index", :unique => false
end
end
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