Re: IN vs EXIIST

Jochem van Dieten wrote:
 >
 > SELECT     key1, Min(CASE WHEN x THEN 1 ELSE 0 END) AS isTrue
 > FROM       table
 > GROUP BY   key1
 > HAVING     isTrue = 1

I tried this but got an error:

psql TMP -c "select invoice_id, min(case when received then 1 else 0
end) as ok from invoice_li group by invoice_id having ok = 1"

ERROR:  Attribute 'ok' not found

Jc