Erreur SQL !
SELECT * FROM flux_actu WHERE theme_src="france" and id_flux_actu="684011$article=fonction-publique-territoriale-deux-enquetes-sur-des-concours-truques-a-mayotte-et-a-la-reunion" UNION (SELECT * FROM flux_sport WHERE theme_src="france" and id_flux_sport="684011$article=fonction-publique-territoriale-deux-enquetes-sur-des-concours-truques-a-mayotte-et-a-la-reunion") UNION (SELECT * FROM flux_tech WHERE theme_src="france" and id_flux_tech="684011$article=fonction-publique-territoriale-deux-enquetes-sur-des-concours-truques-a-mayotte-et-a-la-reunion") UNION (SELECT * FROM flux_foot WHERE theme_src="france" and id_flux_foot="684011$article=fonction-publique-territoriale-deux-enquetes-sur-des-concours-truques-a-mayotte-et-a-la-reunion")