Re: iterate through list
Thanks for the tip, I will read it :) Greetings bengoshi On 2/14/20 2:31 PM, Roger Gammans wrote: > No problem, > > It 's all explained here : > https://docs.djangoproject.com/en/3.0/ref/models/querysets/ > > > On Fri, 2020-02-14 at 14:27 +0100, Kai Kobschätzki wrote: >> Hi Roger: >> >> Thanks a lot! Such as easy :) >> >> Greetings >> >> bengoshi >> >> >> On 2/14/20 2:15 PM, Roger Gammans wrote: >>> Use: >>> >>> for data in Journal.objects.all(): >>> >>> >>> >>> >>> On Fri, 2020-02-14 at 14:13 +0100, Kai Kobschätzki wrote: Hi: I want to do something with the content of a table. Problem is, that the IDs are not continuous. I tried: import .models from Journal last = Journal.obejects.last() last += 1 for i in range(last): try: data = Journal.objects.get(pk=i) doing something with this data except: pass This solution runs but it seems not smart... I need the try because there a gaps in the table, so I have got e.g. element 1, element 3, element 8. If there is not an try/except the for will crash. And I need the last +=1 otherwise the last element won't be interpret. Could anyone show me how I could improve it? Thansk and Greetings bengoshi -- 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/921e32c0-33e7-aae5-bd7f-54b22a3f00f1%40gmail.com.
Re: iterate through list
No problem, It 's all explained here : https://docs.djangoproject.com/en/3.0/ref/models/querysets/ On Fri, 2020-02-14 at 14:27 +0100, Kai Kobschätzki wrote: > Hi Roger: > > Thanks a lot! Such as easy :) > > Greetings > > bengoshi > > > On 2/14/20 2:15 PM, Roger Gammans wrote: > > Use: > > > > for data in Journal.objects.all(): > > > > > > > > > > On Fri, 2020-02-14 at 14:13 +0100, Kai Kobschätzki wrote: > > > Hi: > > > > > > I want to do something with the content of a table. Problem is, > > > that > > > the > > > IDs are not continuous. I tried: > > > > > > import .models from Journal > > > > > > last = Journal.obejects.last() > > > last += 1 > > > for i in range(last): > > > try: > > > data = Journal.objects.get(pk=i) > > > doing something with this data > > > except: > > > pass > > > > > > This solution runs but it seems not smart... > > > > > > I need the try because there a gaps in the table, so I have got > > > e.g. > > > element 1, element 3, element 8. If there is not an try/except > > > the > > > for > > > will crash. And I need the last +=1 otherwise the last element > > > won't > > > be > > > interpret. > > > > > > Could anyone show me how I could improve it? > > > > > > Thansk and Greetings > > > > > > bengoshi > > > > > > > > > -- 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/b7e3c940adeca708834de2d51620eb5b363767ac.camel%40gammascience.co.uk.
Re: iterate through list
Hi Roger: Thanks a lot! Such as easy :) Greetings bengoshi On 2/14/20 2:15 PM, Roger Gammans wrote: > Use: > > for data in Journal.objects.all(): > > > > > On Fri, 2020-02-14 at 14:13 +0100, Kai Kobschätzki wrote: >> Hi: >> >> I want to do something with the content of a table. Problem is, that >> the >> IDs are not continuous. I tried: >> >> import .models from Journal >> >> last = Journal.obejects.last() >> last += 1 >> for i in range(last): >> try: >> data = Journal.objects.get(pk=i) >> doing something with this data >> except: >> pass >> >> This solution runs but it seems not smart... >> >> I need the try because there a gaps in the table, so I have got e.g. >> element 1, element 3, element 8. If there is not an try/except the >> for >> will crash. And I need the last +=1 otherwise the last element won't >> be >> interpret. >> >> Could anyone show me how I could improve it? >> >> Thansk and Greetings >> >> bengoshi >> >> >> -- 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/10f42748-2a92-3923-2d31-177e5f32563d%40gmail.com.
Re: iterate through list
Use: for data in Journal.objects.all(): On Fri, 2020-02-14 at 14:13 +0100, Kai Kobschätzki wrote: > Hi: > > I want to do something with the content of a table. Problem is, that > the > IDs are not continuous. I tried: > > import .models from Journal > > last = Journal.obejects.last() > last += 1 > for i in range(last): > try: > data = Journal.objects.get(pk=i) > doing something with this data > except: > pass > > This solution runs but it seems not smart... > > I need the try because there a gaps in the table, so I have got e.g. > element 1, element 3, element 8. If there is not an try/except the > for > will crash. And I need the last +=1 otherwise the last element won't > be > interpret. > > Could anyone show me how I could improve it? > > Thansk and Greetings > > bengoshi > > > -- 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/a1762f64afd90ca6ad1a28b6a10dc81af722c313.camel%40gammascience.co.uk.
