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richellyitalo/queryies.md

Last active April 17, 2021 15:32
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queryies.md

Pegar último registro

# Maneira 1
last_banner = Banner.objects.order_by('-pk')[:1]
if last_banner.exists():
    instance['sort_order'] = last_banner[0].sort_order + 1
    
# Maneira 2
# Pode gerar erro caso não exista registro
last_banner = Banner.objects.latest('id')
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