Come MySQL fix Crea query FUNZIONE?

Question

voglio aggiungere la funzione mysql:

CREATE FUNCTION `chf_get_translation`(translation_id INT, site_lang INT) 
RETURNS text CHARSET utf8
BEGIN

  DECLARE translation TEXT;

  SELECT title 
    INTO translation 
    FROM chf_translations 
   WHERE key_id = translation_id 
     AND lang_id = site_lang;

  RETURN translation;

END

Ma ottenere errore:

1064 - Hai un errore nella sintassi SQL; controllare il manuale che corrisponde alla vostra versione del server MySQL per la sintassi del diritto di utilizzare vicino a '' at line 3

Answer 1

Prova ...

DELIMITER $$

CREATE FUNCTION `chf_get_translation`(translation_id INT, site_lang INT) 
RETURNS text CHARSET utf8
BEGIN

  DECLARE translation TEXT;

  SELECT title 
    INTO translation 
    FROM chf_translations 
   WHERE key_id = translation_id 
     AND lang_id = site_lang;

  RETURN translation;

END$$

Answer 2

DELIMITER $

CREATE FUNCTION `chf_get_translation`(translation_id INT, site_lang INT) 
RETURNS text CHARSET utf8
DETERMINISTIC
BEGIN

  DECLARE translation TEXT;

  SELECT title 
    INTO translation 
    FROM chf_translations 
   WHERE key_id = translation_id 
     AND lang_id = site_lang;

  RETURN translation;

END$