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class CreateTrends < ActiveRecord::Migration[4.2]
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def up
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create_table :trends do |t|
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t.string :trendable_type, :limit => 255
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t.integer :trendable_id
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t.string :name, :limit => 255
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t.string :type, :limit => 255
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t.string :fact_value, :limit => 255
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t.string :fact_name, :limit => 255
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t.timestamps null: true
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end
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add_index :trends, :type
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add_index :trends, [:trendable_type, :trendable_id]
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add_index :trends, :fact_value
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end
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def down
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remove_index :trends, :type
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remove_index :trends, [:trendable_type, :trendable_id]
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remove_index :trends, :fact_value
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drop_table :trends
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end
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end
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