def up
rename_table :job_steps, :job_tasks
rename_index :job_tasks, :index_job_steps_on_created_at, :index_job_tasks_on_created_at
def up
rename_table :job_steps, :job_tasks
rename_index :job_tasks, :index_job_steps_on_created_at, :index_job_tasks_on_created_at