On Thu, 7 Oct 2004, Johann Robette wrote:
> I use EJB to create a record in a table containing a Boolean field
> "answered".
> The EJB method expects a Boolean object so I pass new Boolean(false) in
> order to create it as false.
>
> But I get the following error :
> java.sql.SQLException: ERROR: column "answered" is of type boolean but
> expression is of type text
I don't see how that could be happening. The attached test works fine for
me and exercises every way I see to set a boolean. Perhaps the EJB is
internally converting this to a setString() call? Could you investigate
more into what actual driver calls are being made?
Kris Jurka
import java.sql.*;
public class BoolTest {
public static void main(String args[]) throws Exception {
Class.forName("org.postgresql.Driver");
Connection conn =
DriverManager.getConnection("jdbc:postgresql://localhost:5750/jurka","jurka","");
Statement stmt = conn.createStatement();
stmt.execute("CREATE TEMP TABLE tt (ans bool)");
stmt.close();
PreparedStatement pstmt = conn.prepareStatement("INSERT INTO tt (ans)
VALUES (?)");
pstmt.setObject(1, new Boolean(false));
pstmt.executeUpdate();
pstmt.setBoolean(1, false);
pstmt.executeUpdate();
pstmt.setObject(1, new Boolean(false), Types.BIT);
pstmt.executeUpdate();
pstmt.setObject(1, new Boolean(false), Types.BOOLEAN);
pstmt.executeUpdate();
pstmt.close();
stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT ans FROM tt");
while (rs.next()) {
System.out.println(rs.getBoolean(1));
}
rs.close();
stmt.close();
conn.close();
}
}
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