Fórum problema com case no interbase #51458

a instrução abaixo:

[color=red:900503846c]Select ov, sum(case flag when 1 then 2 end as flag1),
sum(case flag when 2 then 2 end as flag2)
from view_info_embarque
group by ov, flag[/color:900503846c]

apresenta o seguinte erro:

[color=red:900503846c]Dynamic SQL Error
SQL error code = -104
Token unknown - line 1, char 20
flag
Statement: Select ov, sum(case flag when 1 then 2 end as flag1),
sum(case flag when 2 then 2 end as flag2)
from view_info_embarque
group by ov, flag[/color:900503846c]

alguém pode me ajudar?