Procedure not working

[tyuyu yuty]

Hello:

I am trying to create a procedure that make inserts in table only if it has no records. It generates errors.
Anyone could help me please?
I attach the code:

Thank you.

Francesc


CREATE PROCEDURE usp_test_transaction()
BEGIN

IF ((sELECT COUNT(*) FROM 'wp_codis_postals')>0) THEN

INSERT INTO `wp_codis_postals` (`codi_postal`, `poblacio`) VALUES
(8001, 'Barcelona'),
(8002, 'Barcelona'),
(43894, 'Camarles'),
(43895, 'Ampolla, l\''),
(43896, 'Aldea, l\''),
(43897, 'Tortosa');

END IF;

END
CALL usp_test_transaction;