discourse/db/migrate/20130328162943_create_hot_t...

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class CreateHotTopics < ActiveRecord::Migration[4.2]
def change
create_table :hot_topics, force: true do |t|
t.integer :topic_id, null: false
t.integer :category_id, null: true
t.float :score, null: false
end
add_index :hot_topics, :topic_id, unique: true
add_index :hot_topics, :score, order: 'desc'
end
end