Pablo Barrón <amentoraz@gmail.com> schrieb:
>
> Hi!
>
> I'm trying to order a list in which the first parameter to order is a specific
> field, and the second should vary depending on a specific condition. More
> explicit, I would like to do something like:
>
> - ORDER BY a.column1, [b.column2 if c.value != 19 || c.column2 if c.value==19]
>
> That is to say, use a column if a value on each row isn't 19, OR use a
> different column if it isn't. How could I solve this? I've got to have a global
You can do something like this:
order by a.column1, case when c.value != 19 then b.column2 else c.column2 end;
*untested*, but the way is to use a case when <condition> then ... else
... end; - construct.
Andreas
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