nodejs mysql query escape placeholder bypass código ejemplo

Ejemplo: cadena de escape de mysql de node js

// Escape values:

let escaped = mysql.escape('myString');

// or

mysql.query(
  "SELECT * FROM `table` WHERE `str1`=? AND `str2`=?",
  ['myString1', 'myString2'],
  (err, result)=>{}
);

// Escape identifiers:

mysql.query(
  "SELECT * FROM ??",	// note the double ?
  ['tablename'],
  (err, result)=>{}
);

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