text: CREATE TABLE eniwareedge.ocpp_auth (
  	created			TIMESTAMP NOT NULL WITH DEFAULT CURRENT_TIMESTAMP,
  	idtag 			VARCHAR(20) NOT NULL,
  	parent_idtag	VARCHAR(20),
  	auth_status		VARCHAR(13) NOT NULL,
  	expires			TIMESTAMP,
  	PRIMARY KEY (idtag)
  );
  
  INSERT INTO eniwareedge.sn_settings (skey, svalue) 
  VALUES ('eniwareedge.ocpp_auth.version', '1');
  