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backend/utils/quick_fix.py
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226
backend/utils/quick_fix.py
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#!/usr/bin/env python3
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"""
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Schnelle Datenbank-Reparatur für kritische Fehler
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"""
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import sqlite3
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import os
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from datetime import datetime
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# Datenbankpfad
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DATABASE_PATH = "database/myp.db"
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def quick_fix_database():
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"""Behebt die kritischsten Datenbankprobleme sofort"""
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print("🔧 Starte schnelle Datenbank-Reparatur...")
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if not os.path.exists(DATABASE_PATH):
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print(f"❌ Datenbankdatei nicht gefunden: {DATABASE_PATH}")
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return False
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try:
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# Backup erstellen
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backup_path = f"{DATABASE_PATH}.emergency_backup_{datetime.now().strftime('%Y%m%d_%H%M%S')}"
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import shutil
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shutil.copy2(DATABASE_PATH, backup_path)
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print(f"✅ Emergency-Backup erstellt: {backup_path}")
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# Verbindung zur Datenbank
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conn = sqlite3.connect(DATABASE_PATH)
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cursor = conn.cursor()
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print("🔧 Repariere Datenbank-Schema...")
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# 1. Fehlende Spalte duration_minutes zu guest_requests hinzufügen
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try:
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cursor.execute("ALTER TABLE guest_requests ADD COLUMN duration_minutes INTEGER")
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print("✅ Spalte duration_minutes zu guest_requests hinzugefügt")
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except sqlite3.OperationalError as e:
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if "duplicate column name" in str(e).lower():
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print("ℹ️ Spalte duration_minutes bereits vorhanden")
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else:
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print(f"⚠️ Fehler bei duration_minutes: {e}")
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# 2. Fehlende Spalten zu users hinzufügen
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user_columns = [
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("username", "VARCHAR(100) UNIQUE"),
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("updated_at", "DATETIME DEFAULT CURRENT_TIMESTAMP"),
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("department", "VARCHAR(100)"),
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("position", "VARCHAR(100)"),
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("phone", "VARCHAR(50)"),
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("bio", "TEXT")
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]
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for column_name, column_def in user_columns:
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try:
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cursor.execute(f"ALTER TABLE users ADD COLUMN {column_name} {column_def}")
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print(f"✅ Spalte {column_name} zu users hinzugefügt")
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except sqlite3.OperationalError as e:
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if "duplicate column name" in str(e).lower():
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print(f"ℹ️ Spalte {column_name} bereits vorhanden")
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else:
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print(f"⚠️ Fehler bei {column_name}: {e}")
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# 3. Fehlende Spalten zu printers hinzufügen
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printer_columns = [
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("plug_username", "VARCHAR(100) DEFAULT 'admin'"),
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("plug_password", "VARCHAR(100) DEFAULT 'admin'"),
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("last_checked", "DATETIME")
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]
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for column_name, column_def in printer_columns:
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try:
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cursor.execute(f"ALTER TABLE printers ADD COLUMN {column_name} {column_def}")
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print(f"✅ Spalte {column_name} zu printers hinzugefügt")
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except sqlite3.OperationalError as e:
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if "duplicate column name" in str(e).lower():
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print(f"ℹ️ Spalte {column_name} bereits vorhanden")
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else:
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print(f"⚠️ Fehler bei {column_name}: {e}")
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# 4. Username für bestehende User setzen (falls NULL)
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try:
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cursor.execute("UPDATE users SET username = email WHERE username IS NULL")
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updated_users = cursor.rowcount
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if updated_users > 0:
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print(f"✅ Username für {updated_users} Benutzer gesetzt")
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except Exception as e:
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print(f"⚠️ Fehler beim Setzen der Usernames: {e}")
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# 5. Drucker-Daten nachtragen
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print("🖨️ Trage Drucker nach...")
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# Prüfen ob bereits Drucker vorhanden sind
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cursor.execute("SELECT COUNT(*) FROM printers")
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printer_count = cursor.fetchone()[0]
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if printer_count == 0:
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# Standard-Drucker hinzufügen
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printers_to_add = [
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{
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'name': 'Printer 1',
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'model': 'P115',
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'location': 'Werk 040 - Berlin - TBA',
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'ip_address': '192.168.0.100',
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'mac_address': '98:254A:E1:2001',
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'plug_ip': '192.168.0.100',
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'plug_username': 'admin',
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'plug_password': 'admin',
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'status': 'offline',
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'active': 1
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},
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{
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'name': 'Printer 2',
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'model': 'P115',
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'location': 'Werk 040 - Berlin - TBA',
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'ip_address': '192.168.0.101',
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'mac_address': '98:254A:E1:2002',
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'plug_ip': '192.168.0.101',
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'plug_username': 'admin',
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'plug_password': 'admin',
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'status': 'offline',
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'active': 1
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},
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{
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'name': 'Printer 3',
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'model': 'P115',
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'location': 'Werk 040 - Berlin - TBA',
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'ip_address': '192.168.0.102',
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'mac_address': '98:254A:E1:2003',
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'plug_ip': '192.168.0.102',
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'plug_username': 'admin',
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'plug_password': 'admin',
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'status': 'offline',
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'active': 1
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},
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{
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'name': 'Printer 4',
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'model': 'P115',
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'location': 'Werk 040 - Berlin - TBA',
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'ip_address': '192.168.0.103',
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'mac_address': '98:254A:E1:2004',
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'plug_ip': '192.168.0.103',
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'plug_username': 'admin',
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'plug_password': 'admin',
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'status': 'offline',
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'active': 1
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},
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{
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'name': 'Printer 5',
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'model': 'P115',
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'location': 'Werk 040 - Berlin - TBA',
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'ip_address': '192.168.0.104',
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'mac_address': '98:254A:E1:2005',
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'plug_ip': '192.168.0.104',
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'plug_username': 'admin',
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'plug_password': 'admin',
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'status': 'offline',
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'active': 1
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},
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{
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'name': 'Printer 6',
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'model': 'P115',
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'location': 'Werk 040 - Berlin - TBA',
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'ip_address': '192.168.0.106',
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'mac_address': '98:254A:E1:2006',
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'plug_ip': '192.168.0.106',
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'plug_username': 'admin',
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'plug_password': 'admin',
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'status': 'offline',
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'active': 1
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}
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]
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for printer in printers_to_add:
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try:
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cursor.execute("""
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INSERT INTO printers (name, model, location, ip_address, mac_address, plug_ip, plug_username, plug_password, status, active, created_at)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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""", (
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printer['name'], printer['model'], printer['location'],
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printer['ip_address'], printer['mac_address'], printer['plug_ip'],
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printer['plug_username'], printer['plug_password'],
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printer['status'], printer['active'], datetime.now()
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))
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print(f"✅ Drucker {printer['name']} hinzugefügt")
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except Exception as e:
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print(f"⚠️ Fehler beim Hinzufügen von {printer['name']}: {e}")
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else:
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print(f"ℹ️ {printer_count} Drucker bereits vorhanden")
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# 6. Optimierungen
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print("🔧 Führe Datenbankoptimierungen durch...")
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try:
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# Indizes erstellen
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indices = [
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"CREATE INDEX IF NOT EXISTS idx_users_email ON users(email)",
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"CREATE INDEX IF NOT EXISTS idx_users_username ON users(username)",
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"CREATE INDEX IF NOT EXISTS idx_jobs_user_id ON jobs(user_id)",
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"CREATE INDEX IF NOT EXISTS idx_jobs_printer_id ON jobs(printer_id)",
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"CREATE INDEX IF NOT EXISTS idx_jobs_status ON jobs(status)",
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"CREATE INDEX IF NOT EXISTS idx_guest_requests_status ON guest_requests(status)"
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]
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for index_sql in indices:
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cursor.execute(index_sql)
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# Statistiken aktualisieren
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cursor.execute("ANALYZE")
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print("✅ Datenbankoptimierungen abgeschlossen")
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except Exception as e:
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print(f"⚠️ Fehler bei Optimierungen: {e}")
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# Änderungen speichern
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conn.commit()
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conn.close()
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print("✅ Schnelle Datenbank-Reparatur erfolgreich abgeschlossen!")
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return True
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except Exception as e:
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print(f"❌ Kritischer Fehler bei der Reparatur: {str(e)}")
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return False
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if __name__ == "__main__":
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quick_fix_database()
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