const {Client} = require('pg'); 
const client = new Client('postgres://postgres:csh%402018@localhost:5432/ai_pharmacy'); 
client.connect().then(async () => { 
  await client.query("UPDATE batches SET qty_on_hand = 10"); 
  console.log('Updated all batches to 10 for testing'); 
  process.exit(0); 
});