2026.06.04 frontend építés közben

backend/scripts/list_related_tables.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+import asyncio
+import sys
+import os
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from sqlalchemy import text
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
+from sqlalchemy.orm import sessionmaker
+from app.core.config import settings
+
+async def list_related_tables():
+    engine = create_async_engine(settings.DATABASE_URL, echo=False)
+    async_session = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+    
+    async with async_session() as session:
+        # Find foreign key constraints referencing vehicle.assets
+        query = text("""
+            SELECT
+                tc.table_schema,
+                tc.table_name,
+                kcu.column_name,
+                ccu.table_schema AS foreign_table_schema,
+                ccu.table_name AS foreign_table_name,
+                ccu.column_name AS foreign_column_name,
+                rc.delete_rule
+            FROM information_schema.table_constraints AS tc
+            JOIN information_schema.key_column_usage AS kcu
+                ON tc.constraint_name = kcu.constraint_name
+                AND tc.table_schema = kcu.table_schema
+            JOIN information_schema.constraint_column_usage AS ccu
+                ON ccu.constraint_name = tc.constraint_name
+            JOIN information_schema.referential_constraints AS rc
+                ON rc.constraint_name = tc.constraint_name
+            WHERE tc.constraint_type = 'FOREIGN KEY'
+                AND ccu.table_schema = 'vehicle'
+                AND ccu.table_name = 'assets'
+                AND ccu.column_name = 'id'
+            ORDER BY tc.table_name;
+        """)
+        result = await session.execute(query)
+        fks = result.fetchall()
+        print("Foreign keys referencing vehicle.assets (id):")
+        for fk in fks:
+            print(f"  {fk[0]}.{fk[1]}.{fk[2]} -> {fk[3]}.{fk[4]}.{fk[5]} (ON DELETE {fk[6]})")
+        
+        # Also list tables in vehicle schema
+        query2 = text("""
+            SELECT table_name 
+            FROM information_schema.tables 
+            WHERE table_schema = 'vehicle'
+            ORDER BY table_name;
+        """)
+        result2 = await session.execute(query2)
+        tables = result2.fetchall()
+        print("\nTables in vehicle schema:")
+        for tbl in tables:
+            print(f"  {tbl[0]}")
+    
+    await engine.dispose()
+
+if __name__ == "__main__":
+    asyncio.run(list_related_tables())