Torsdag 20. juni 2013 21.45.02 skrev itishree sukla:
> Hi All,
> 
> I am using coalesce(firstname,lastname), to get the result if first name is
> 'NULL' it will give me lastname or either way. I am having data like
> instead of NULL,  blank null ( i mean something like '' ) for which
> coalesce is not working, is there any workaround or other function
> available in postgresql, please do let me know.

CASE WHEN firstname NOT IN (NULL, '') THEN firstname ELSE lastname END;

regards, Leif


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