Erreur SQL !
SELECT * FROM flux_actu WHERE theme_src="mercato" and id_flux_actu="3654207$article=mercato-montpellier-penserait-a-bernardoni-pour-remplacer-rulli" UNION (SELECT * FROM flux_sport WHERE theme_src="mercato" and id_flux_sport="3654207$article=mercato-montpellier-penserait-a-bernardoni-pour-remplacer-rulli") UNION (SELECT * FROM flux_tech WHERE theme_src="mercato" and id_flux_tech="3654207$article=mercato-montpellier-penserait-a-bernardoni-pour-remplacer-rulli") UNION (SELECT * FROM flux_foot WHERE theme_src="mercato" and id_flux_foot="3654207$article=mercato-montpellier-penserait-a-bernardoni-pour-remplacer-rulli")