Faltaba una coma después de "
in_id":
Código SQL:
Ver originalSELECT in_titulo, in_autor, in_id,
MATCH (in_titulo, in_autor)
AGAINST ('$frase' IN BOOLEAN MODE) AS in_ISBN
FROM inventario
WHERE MATCH (in_titulo, in_autor)
AGAINST ('$frase' IN BOOLEAN MODE)
ORDER BY in_ISBN DESC
¡Suerte!
