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backend/app/scripts/check_tables.py

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+#!/usr/bin/env python3
+"""
+Check tables in system and gamification schemas.
+"""
+import asyncio
+from sqlalchemy.ext.asyncio import create_async_engine
+from sqlalchemy import text
+
+async def check():
+    from app.core.config import settings
+    engine = create_async_engine(str(settings.SQLALCHEMY_DATABASE_URI))
+    
+    async with engine.begin() as conn:
+        # List tables
+        result = await conn.execute(text("""
+            SELECT table_schema, table_name, 
+                   (SELECT count(*) FROM information_schema.columns c WHERE c.table_schema=t.table_schema AND c.table_name=t.table_name) as column_count
+            FROM information_schema.tables t
+            WHERE table_name IN ('competitions', 'user_scores') 
+            ORDER BY table_schema;
+        """))
+        rows = result.fetchall()
+        print("Tables found:")
+        for row in rows:
+            print(f"  {row.table_schema}.{row.table_name} ({row.column_count} columns)")
+            # Count rows
+            count_result = await conn.execute(text(f'SELECT COUNT(*) FROM "{row.table_schema}"."{row.table_name}"'))
+            count = count_result.scalar()
+            print(f"    Rows: {count}")
+        
+        # Check foreign keys
+        result = await conn.execute(text("""
+            SELECT conname, conrelid::regclass as source_table, confrelid::regclass as target_table
+            FROM pg_constraint
+            WHERE contype = 'f' 
+            AND (conrelid::regclass::text LIKE '%competitions%' OR conrelid::regclass::text LIKE '%user_scores%'
+                 OR confrelid::regclass::text LIKE '%competitions%' OR confrelid::regclass::text LIKE '%user_scores%');
+        """))
+        fks = result.fetchall()
+        print("\nForeign keys involving these tables:")
+        for fk in fks:
+            print(f"  {fk.conname}: {fk.source_table} -> {fk.target_table}")
+    
+    await engine.dispose()
+
+if __name__ == "__main__":
+    asyncio.run(check())