Search Postgresql Archives

Re: case when evaluating else condition anyway?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Nov 26, 2008 at 02:53:07PM +0100, Ivan Sergio Borgonovo wrote:
> case when ''=extinput then null else extinput::timestamp end

I'd tend to use nullif(extinput,'')::timestamp for this sort of thing.
It's not going to do anything much different from what you're doing, but
may end up evaluating "extinput" less which may be a good thing.

> Is there any cleaner functional way that doesn't involve prepared
> statement etc... since the whole exercise is caused by an
> null-impaired DB API (aka MySQLish).

As Tom said, maybe if you could send a larger example it would help.


  Sam

-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux