Re: way to custom sort column by fixed strings, then by field's content
| От | Susan Cassidy |
|---|---|
| Тема | Re: way to custom sort column by fixed strings, then by field's content |
| Дата | |
| Msg-id | CAE3Q8omYbiUvnGFSjyrwoxtHfM+asmQPGaaJyEJ+r+_Pe-TFZQ@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: way to custom sort column by fixed strings, then by field's content (Adrian Klaver <adrian.klaver@gmail.com>) |
| Ответы |
Re: way to custom sort column by fixed strings, then by
field's content
|
| Список | pgsql-general |
select sti.description, sc.description from scene_thing_instances sti
left outer join scenes sc on sti.scene_id = sc.scene_id
order by sti.description, CASE
when (sti.description = 'absolute root'::text) then 1
when (sti.description ilike 'root%') then 2
else 3
END;
description | description
-------------------+-------------
absolute root |
root 3 | Scene 1
root 4 | Scene 2
root 6 | Scene 3
18 cm long wrench | Scene 1
blue screwdriver | Scene 1
red toolbox | Scene 1
small wrench | Scene 1
tire | Scene 2
(9 rows)
On Mon, Feb 3, 2014 at 12:22 PM, Adrian Klaver <adrian.klaver@gmail.com> wrote:
On 02/03/2014 12:01 PM, Susan Cassidy wrote:
CCing the list.This didn't sort the way I want. It ended up as:
description | description
-------------------+-------------
18 cm long wrench | Scene 1
absolute root |
blue screwdriver | Scene 1
red toolbox | Scene 1
root 3 | Scene 1
root 4 | Scene 2
root 6 | Scene 3
small wrench | Scene 1
tire | Scene 2
The first column is the one I want sorted.
Probably best to show us a made up sample of what you want.
Also note that I made it a left outer join\
Where?
Susan
--
Adrian Klaver
adrian.klaver@gmail.com
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