-- =====================================================
-- ROLLBACK 01: Remove Communications Infrastructure
-- =====================================================
-- Date: 2025-11-06
-- Purpose: Rollback script 01_create_communications_infrastructure.sql
-- WARNING: This will DELETE all data in communications table
-- =====================================================

USE shopdb;
SET SQL_SAFE_UPDATES = 0;

-- =====================================================
-- STEP 1: Drop tables in correct order (FK constraints)
-- =====================================================

DROP TABLE IF EXISTS communications;
DROP TABLE IF EXISTS comstypes;

-- =====================================================
-- VERIFICATION
-- =====================================================

SELECT '✓ communications table dropped' AS status;
SELECT '✓ comstypes table dropped' AS status;
SELECT '✓ ROLLBACK 01 completed successfully' AS status;

SET SQL_SAFE_UPDATES = 1;

-- =====================================================
-- NOTES
-- =====================================================
-- Tables removed:
-- - communications
-- - comstypes
--
-- To restore: Run 01_create_communications_infrastructure.sql
-- =====================================================