From: | Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com> |
---|---|
To: | Susan Cassidy <susan(dot)cassidy(at)decisionsciencescorp(dot)com> |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: way to custom sort column by fixed strings, then by field's content |
Date: | 2014-02-03 21:27:26 |
Message-ID: | 52F009BE.4000700@gmail.com |
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Thread: | |
Lists: | pgsql-general |
On 02/03/2014 01:00 PM, Susan Cassidy wrote:
>
> The query is currently:
> 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;
>
>
> The results I want are:
>
> 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)
>
So Robs last solution:
select s.s1, s.s2, ( CASE
when (s.s1 = 'absolute root'::text) then 1
when (s.s1 ~* '^root*') then 2
else 3
END) as v
from scripts as s
order by v,s1
toys-# ;
s1 | s2 | v
-------------------+---------+---
absolute root | | 1
root 3 | Scene 1 | 2
root 4 | Scene 2 | 2
root 6 | Scene 3 | 2
18 cm long wrench | Scene 1 | 3
blue screwdriver | Scene 1 | 3
red toolbox | Scene 1 | 3
small wrench | Scene 1 | 3
tire | Scene 2 | 3
(9 rows)
--
Adrian Klaver
adrian(dot)klaver(at)gmail(dot)com
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