import { PrismaClient } from '@prisma/client';

const prisma = new PrismaClient();

async function main() {
  // 检查 iit_schema 的所有表
  const tables: any[] = await prisma.$queryRaw`
    SELECT table_schema, table_name 
    FROM information_schema.tables 
    WHERE table_schema = 'iit_schema'
    ORDER BY table_name
  `;
  
  console.log('iit_schema 中的表:');
  console.log(tables);

  // 检查每个表的列结构
  if (tables.length > 0) {
    for (const t of tables) {
      console.log(`\n--- ${t.table_name} 的列 ---`);
      const cols: any[] = await prisma.$queryRawUnsafe(`
        SELECT column_name, data_type, is_nullable
        FROM information_schema.columns
        WHERE table_schema = 'iit_schema' AND table_name = '${t.table_name}'
        ORDER BY ordinal_position
      `);
      cols.forEach(c => console.log(`  ${c.column_name}: ${c.data_type}`));
    }
  }

  // 检查备份中 iit_schema 是否存在
  console.log('\n\n检查备份文件中是否有 iit_schema...');
}

main()
  .catch(console.error)
  .finally(() => prisma.$disconnect());