Similar problem as described in previeous mail, I get when I compare
parameter with some subselect for example:
SELECT CASE WHEN (@n0 IN (SELECT 'X' FROM rdb$database)) THEN 1 ELSE 0 END
FROM RDB$DATABASE
With this statement I get error:
Data type unknown
From: Matej Golob
I have problem when I use parameters and compare parameter value with null.
I've create simple snipet code, which represents problem:
FbCommand com = connection.CreateCommand;
com.CommandText = SELECT * from rdb$database where @n0 is
null;;
FbParameter par =
