-- Migration: Add due_date to note_todos table
-- Description: Adds a due_date column to track task deadlines

-- Add due_date column to note_todos table
ALTER TABLE note_todos ADD COLUMN IF NOT EXISTS due_date TIMESTAMPTZ;

-- Create index on due_date for faster queries
CREATE INDEX IF NOT EXISTS idx_note_todos_due_date ON note_todos(due_date);

-- Create index on combination of completed and due_date for efficient queries of pending tasks
CREATE INDEX IF NOT EXISTS idx_note_todos_completed_due_date ON note_todos(completed, due_date);