2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - 🚀 Starte Datenbank-Index-Erstellung...
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_jobs_user_id - Jobs nach Benutzer (N+1 Query Prevention)
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_jobs_printer_id - Jobs nach Drucker (N+1 Query Prevention)
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_jobs_status - Jobs nach Status (Admin-Panel Queries)
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_jobs_start_at - Jobs nach Startzeit (Kalendar-Queries)
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_jobs_created_at - Jobs nach Erstellungszeit (Recent Jobs)
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_users_email - User nach Email (Login-Performance)
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_users_username - User nach Username (Login-Performance)
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_guest_requests_email - Guest Requests nach Email
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_guest_requests_status - Guest Requests nach Status
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_guest_requests_printer_id - Guest Requests nach Drucker
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_notifications_user_id - Notifications nach User
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_notifications_created_at - Notifications nach Erstellungszeit
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_plug_status_logs_printer_id - Plug Status Logs nach Drucker
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_plug_status_logs_timestamp - Plug Status Logs nach Zeitstempel
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_jobs_user_status - Composite: Jobs nach User + Status
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_jobs_printer_status - Composite: Jobs nach Drucker + Status
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Erstellt: ix_jobs_status_created - Composite: Jobs nach Status + Erstellungszeit
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - 
🎯 Index-Erstellung abgeschlossen!
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ✅ Neue Indizes erstellt: 17
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - ⏭️  Bereits vorhanden: 0
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - 
📊 Query-Performance-Analyse...
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - Query: SELECT COUNT(*) FROM jobs WHERE user_id = 1
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO -   ⚠️  Scan: (3, 0, 0, 'SEARCH jobs USING COVERING INDEX ix_jobs_user_id (user_id=?)')
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - Query: SELECT COUNT(*) FROM jobs WHERE printer_id = 1
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO -   ⚠️  Scan: (3, 0, 0, 'SEARCH jobs USING COVERING INDEX ix_jobs_printer_id (printer_id=?)')
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - Query: SELECT COUNT(*) FROM jobs WHERE status = 'completed'
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO -   ⚠️  Scan: (3, 0, 0, 'SEARCH jobs USING COVERING INDEX ix_jobs_status_created (status=?)')
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - Query: SELECT COUNT(*) FROM guest_requests WHERE email = 'test@example.com'
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO -   ⚠️  Scan: (3, 0, 0, 'SEARCH guest_requests USING COVERING INDEX ix_guest_requests_email (email=?)')
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO - Query: SELECT COUNT(*) FROM notifications WHERE user_id = 1
2025-06-19 21:00:19 - [database_optimization] database_optimization - [INFO] INFO -   ⚠️  Scan: (3, 0, 0, 'SEARCH notifications USING COVERING INDEX ix_notifications_user_id (user_id=?)')