-- Migration: Add repetition_period field to tasks table
-- This script adds the repetition_period field for recurring tasks

-- ============================================
-- Add repetition_period column
-- ============================================
ALTER TABLE tasks 
ADD COLUMN IF NOT EXISTS repetition_period INTERVAL;

-- ============================================
-- Comments for documentation
-- ============================================
COMMENT ON COLUMN tasks.repetition_period IS 'Period after which task should be repeated (NULL means task is not recurring)';