Re: Select by priority again

[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(at){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.