Re: Select by priority again
| От | darcy@druid.net (D'Arcy J.M. Cain) |
|---|---|
| Тема | Re: Select by priority again |
| Дата | |
| Msg-id | m13GnmQ-000AXeC@druid.net обсуждение исходный текст |
| Ответ на | Select by priority again (Bernie Huang <bernie.huang@ec.gc.ca>) |
| Список | pgsql-sql |
[Note: PHP mailing list removed from Cc as this is strictly a PostgreSQL question I think.]
Thus spake Bernie Huang
> Sorry about this, but I don't quite get previous postings regarding
> select by prioriry.
>
> I have the same question with my sql. I want to be able to select
> cell_phone if there is one in the table; otherwise, I will select
> work_phone.
>
> table
> ------
> id, name, address, cell_phone, work_phone,...
>
> and I tried using "case when...end" but nope, it's not gonna work. Help
> is needed. Thanks.
Exactly what was the SQL statement and which version of PostgreSQL? I
do this in a view and it works.
SELECT CASE WHEN login IS NULL THEN uid::text ELSE login END AS login FROM account;
--
D'Arcy J.M. Cain <darcy@{druid|vex}.net> | Democracy is three wolves
http://www.druid.net/darcy/ | and a sheep voting on
+1 416 425 1212 (DoD#0082) (eNTP) | what's for dinner.
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