Erreur SQL !
SELECT * FROM flux_actu WHERE theme_src="france" and id_flux_actu="680912$article=l-ile-de-france-premier-desert-medical-de-metropole" UNION (SELECT * FROM flux_sport WHERE theme_src="france" and id_flux_sport="680912$article=l-ile-de-france-premier-desert-medical-de-metropole") UNION (SELECT * FROM flux_tech WHERE theme_src="france" and id_flux_tech="680912$article=l-ile-de-france-premier-desert-medical-de-metropole") UNION (SELECT * FROM flux_foot WHERE theme_src="france" and id_flux_foot="680912$article=l-ile-de-france-premier-desert-medical-de-metropole")