Re: Reporting by family tree
От | o1bigtenor |
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Тема | Re: Reporting by family tree |
Дата | |
Msg-id | CAPpdf59_++4MTbNaoUcNSSVKYfhF8Y683=bxCOkgydpw9unxKg@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Reporting by family tree ("David G. Johnston" <david.g.johnston@gmail.com>) |
Ответы |
Re: Reporting by family tree
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Список | pgsql-novice |
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 traversal youneed to create the path data yourself. I suggest using an integer[] (integer array) to store the path using ID valuesas 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)? TIA
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