Re: adding fields containing NULL values - Mailing list pgsql-sql

From Grant Finnemore
Subject Re: adding fields containing NULL values
Date
Msg-id 393273EB.225F9DA5@ucs.co.za
Whole thread Raw
In response to adding fields containing NULL values  (Werner Modenbach <modenbach@alc.de>)
List pgsql-sql
Werner,

> Umfortunately 'select employee,date,sallary+extras as total' doesn't give the
> desired result because 'somevalue + NULL' is considered to be NULL.
> Is there any solution for my (small) problem?

Try   SELECT employee, date, salary + COALESCE(extras, 0) as total FROM ...

Regards

Grant

--
> Poorly planned software requires a genius to write it
> and a hero to use it.

Grant Finnemore BSc(Eng)  (mailto:gaf@ucs.co.za)
Software Engineer         Universal Computer Services
Tel  (+27)(11)712-1366    PO Box 31266 Braamfontein 2017, South Africa
Cell (+27)(82)604-5536    20th Floor, 209 Smit St., Braamfontein
Fax  (+27)(11)339-3421    Johannesburg, South Africa





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