Re: Reporting by family tree
От | o1bigtenor |
---|---|
Тема | Re: Reporting by family tree |
Дата | |
Msg-id | CAPpdf5-Bticw_wk_ZZiV2i7-sex87zEQoDojPsZc51-XMvtnMw@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Reporting by family tree ("David G. Johnston" <david.g.johnston@gmail.com>) |
Список | pgsql-novice |
On Wed, Oct 25, 2023 at 5:17 PM David G. Johnston <david.g.johnston@gmail.com> wrote: > > On Wed, Oct 25, 2023 at 9:13 AM o1bigtenor <o1bigtenor@gmail.com> wrote: >> >> On Wed, Oct 25, 2023 at 9:55 AM David G. Johnston >> <david.g.johnston@gmail.com> wrote: >> > >> > On Wed, Oct 25, 2023 at 5:21 AM Ibrahim Shaame <ishaame@gmail.com> wrote: >> >> >> >> But what I want to get is grandfather - father - children: >> >> >> >> 1 - Grandfather1 >> >> >> >> 3 - father1-1 >> >> >> >> 6 - son1-1 >> >> >> >> 7 – son1-2 >> >> >> >> 4 - Father1-2 >> >> >> >> 8 - son2-1 >> >> >> >> 2 – Grandfather2 >> >> >> >> 5 - Father2-1 >> >> >> >> etc >> >> >> >> >> >> Any suggestion >> >> >> > >> > If you want a different ordering of the output change the ORDER BY specification. >> > >> > Specifically, you want to order by the path of each person. Since that can only be determined during the traversalyou need to create the path data yourself. I suggest using an integer[] (integer array) to store the path usingID values as breadcrumbs. >> > >> > >> (Not the OP just someone following the list trying to learn.) >> >> 'using ID values as breadcrumbs' - - - can I interpret that to mean >> the ordinal numbers 1-8 listed (more implied)? >> > > Yes, the numbers 1-8 are the values assigned to these 8 example individuals as their unique identifiers. > > {1} > {1,3} > {1,3,6} > {1,3,7} > {1,4} > {1,4,8} > {2} > {2,5} > Thank you Mr David.
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