const mysql = require('mysql2/promise');
require('dotenv').config();

async function analyzeCodes() {
  const connection = await mysql.createConnection({
    host: process.env.DB_HOST,
    user: process.env.DB_USER,
    password: process.env.DB_PASS,
    database: process.env.DB_NAME,
    port: parseInt(process.env.DB_PORT || '3306')
  });

  // 새 자산들의 연도 분포 확인
  const [years] = await connection.query('SELECT DISTINCT purchase_date FROM asset_core WHERE id LIKE "PC_20260615_%"');
  console.log('New assets years:', years.map(y => y.purchase_date));

  // 기존 자산 코드 패턴 확인
  const [existing] = await connection.query('SELECT asset_code FROM asset_core WHERE asset_code LIKE "PC-%" LIMIT 5');
  console.log('Existing code sample:', existing);

  await connection.end();
}

analyzeCodes().catch(console.error);