Re: Question about WITH ORDINALITY and unnest
| От | Shaozhong SHI |
|---|---|
| Тема | Re: Question about WITH ORDINALITY and unnest |
| Дата | |
| Msg-id | CA+i5JwZiY5bdAwTvUoREGkcvA1J=eec4MmbwMncDjS8r0AV0Mw@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Question about WITH ORDINALITY and unnest ("David G. Johnston" <david.g.johnston@gmail.com>) |
| Ответы |
Re: Question about WITH ORDINALITY and unnest
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| Список | pgsql-sql |
The most difficult part is unequal numbers of elements in arrays. For instance, not well structured, delimited addresses.
Has anyone got a nice way to deal with unequal numbers of elements in arrays?
Regards,
David
On Sat, 23 Jan 2021 at 16:14, David G. Johnston <david.g.johnston@gmail.com> wrote:
On Saturday, January 23, 2021, Mike Martin <redtux1@gmail.com> wrote:Is there any way to make the ordinality ordering to be over the entire record set rather than per arrayNo(the idea is to combine two arrays of varying dimensions into one, keeping order)I have got a working solution by adding a rowid and ordering the array by eg: rowid+nr (where rowid is 100,200, big enough not to be in record set)Yep, this is what I often do as well.David J.
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