Re: Conditional on Select List - Mailing list pgsql-general

On Tue, May 13, 2008 at 8:52 AM, Fernando <fernando@ggtours.ca> wrote:
> SELECT IF(COUNT(colname) > 0, TRUE, FALSE) AS colname FROM table;

A rewrite of this query might do what you want:

SELECT colname_cnt > 0 AS Greaterthanzero
  FROM ( SELECT COUNT( colname ) AS colname_cnt
           FROM Table );

or

SELECT CASE COUNT( colname )
       WHEN > 0
       THEN TRUE
       ELSE FALSE
       END AS GreaterThanZero
  FROM Table;
--
Regards,
Richard Broersma Jr.

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