Hi, Not sure it's a good idea to do database query inside the template. Templates are capable of running some logics but for a heavy-lifting job like database query, it should be a good practice to do it in the view, and only pass the results to the template.
On Sun, Aug 9, 2020 at 4:30 AM Agoua David <cdavidag...@gmail.com> wrote: > As Django template engine do not support the parenthèses you Can try to > make a custom filter > > Le sam. 8 août 2020 à 20:27, Agoua David <cdavidag...@gmail.com> a écrit : > >> You Can try to use .count instead >> >> Le sam. 8 août 2020 à 17:56, N'BE SORO <soro4...@gmail.com> a écrit : >> >>> Good evening please >>> >>> Can you help me? >>> >>> I want to display the number of items with a filter. >>> Example: >>> this call returns 4 elements >>> {{ item.class.classecours.all|length}} >>> >>> at the .all level >>> make an item.class.classecours.filter(status==True)|length >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Django users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to django-users+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/django-users/CAOtSHp_wH9Xy-sf9t%2BMdtWB-bnRX680R9iJwZAnyZXh%3DxV%3De%3Dg%40mail.gmail.com >>> <https://groups.google.com/d/msgid/django-users/CAOtSHp_wH9Xy-sf9t%2BMdtWB-bnRX680R9iJwZAnyZXh%3DxV%3De%3Dg%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to django-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/CAByCr6iR%2BKojR-csC3Rv5zqYd7mUG4%2B%2BnvEcM_ebZmM%2BceRmsw%40mail.gmail.com > <https://groups.google.com/d/msgid/django-users/CAByCr6iR%2BKojR-csC3Rv5zqYd7mUG4%2B%2BnvEcM_ebZmM%2BceRmsw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAGQ3pf-MmY%2BnNLEZHEyyPGE46%2Bv9s52Vvic2AfhdDGJ36Jwr4g%40mail.gmail.com.