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Showing content from https://sidorares.github.io/node-mysql2/docs/examples/typescript/procedure-call/row-as-array below:

Procedure Call Packet (Row as Array)

import mysql, {
  ConnectionOptions,
  ProcedureCallPacket,
  ResultSetHeader,
  RowDataPacket,
} from 'mysql2/promise';

interface User extends RowDataPacket {
  
  0: number;
  
  1: string;
}

const isResultSetHeader = (data: unknown): data is ResultSetHeader => {
  if (!data || typeof data !== 'object') return false;

  const keys = [
    'fieldCount',
    'affectedRows',
    'insertId',
    'info',
    'serverStatus',
    'warningStatus',
    'changedRows',
  ];

  return keys.every((key) => key in data);
};

(async () => {
  const access: ConnectionOptions = {
    host: '',
    user: '',
    password: '',
    database: '',
    rowsAsArray: true,
  };

  const conn = await mysql.createConnection(access);

  
  await conn.query<ResultSetHeader>('DROP TABLE IF EXISTS `users`;');

  
  await conn.query<ResultSetHeader>(
    'CREATE TABLE `users` (`id` INT(11) AUTO_INCREMENT, `name` VARCHAR(50), PRIMARY KEY (`id`));'
  );

  
  const [inserted] = await conn.execute<ResultSetHeader>(
    'INSERT INTO `users`(`name`) VALUES(?), (?), (?), (?);',
    ['Josh', 'John', 'Marie', 'Gween']
  );

  console.log('Inserted:', inserted.affectedRows);

  
  await conn.query<ResultSetHeader>('DROP PROCEDURE IF EXISTS getUsers');

  
  await conn.query<ResultSetHeader>(`
    CREATE PROCEDURE getUsers()
    BEGIN
      SELECT * FROM users ORDER BY name ASC;
    END
  `);

  
  const [procedureResult] =
    await conn.query<ProcedureCallPacket<User[]>>('CALL getUsers()');

  procedureResult.forEach((users) => {
    
    if (isResultSetHeader(users)) {
      console.log('----------------');
      console.log('Affected Rows:', users.affectedRows);
    } else {
      users.forEach((user) => {
        console.log('----------------');
        console.log('id:  ', user[0]);
        console.log('name:', user[1]);
      });
    }
  });

  await conn.end();
})();

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