Il peut arriver que l’on doive ‘calculer’ un crit\u00e8re de filtrage Q en combinant plusieurs Q dont les conditions seraient saisis par l’utilisateur. On se retrouve \u00e0 faire des choses du style<\/p>\n
La question est de savoir comment initialiser full_q avant de commencer la boucle. La r\u00e9ponse est toute simple, il existe un filtre Q identit\u00e9, qui ne trie donc rien, c’est tout simplement Q ()<\/p>\n","protected":false},"excerpt":{"rendered":"
Il peut arriver que l’on doive ‘calculer’ un crit\u00e8re de filtrage Q en combinant plusieurs Q dont les conditions seraient saisis par l’utilisateur. On se retrouve \u00e0 faire des choses du style for one_q in q_list : full_q &= one_q La question est de savoir comment initialiser full_q avant de commencer la boucle. … Continue reading Petits tips concernant django.db.models.Q : le Q identit\u00e9.<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[6],"tags":[99,98],"class_list":["post-110","post","type-post","status-publish","format-standard","hentry","category-django","tag-django","tag-python"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t