> > Is it possible to do this? > > SELECT IF(COUNT(colname) > 0, TRUE, FALSE) AS colname FROM table; > > What I want is to return a boolean, but when I tried SELECT > COUNT(colname)::BOOLEAN FROM table; it says it cannot cast bigint to > boolean. > How about this? Logic al expresses are already returned as Boolean. Select COUNT(colname) > 0 AS colname FROM table
