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class CreateUsersStarProjects < ActiveRecord::Migration
def change
create_table :users_star_projects do |t|
t.integer :project_id, null: false
t.integer :user_id, null: false
t.timestamps
end
add_index :users_star_projects, :user_id
add_index :users_star_projects, :project_id
add_index :users_star_projects, [:user_id, :project_id], unique: true
add_column :projects, :star_count, :integer, default: 0, null: false
add_index :projects, :star_count, using: :btree
end
end
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