Re: Conversion from Sybase ASA

On Tuesday 09 September 2003 09:06, Richard Sydney-Smith wrote:
> In sybase I can use the following syntax:
>
> select 'T' as src,(if tbon is null or tbon < '1900/12/12' or tbon >
> '1900/9/30' then 'U' else 'P' endif) as pres from ftrans
>
> this returns two columns: src = 'T' and pres which has either the value 'U'
> or 'P'
>
> how would I express this in postgresql?

"CASE":

http://www.postgresql.org/docs/7.3/static/functions-conditional.html

Ian Barwick
barwick@gmx.net