Hi all,
I have ran into an issue while using the javasqlite jdbc wrapper. The
issue can be illustrated with the following code:
import java.sql.*;
public class Main {
public static void main( String[] args ) throws Exception {
Class.forName( "SQLite.JDBCDriver");
Connection cx = DriverManager.getConnection("jdbc:sqlite:/foo.db");
Statement st = cx.createStatement();
st.execute( "DROP TABLE IF EXISTS t1");
st.execute( "DROP TABLE IF EXISTS t2");
st.execute( "CREATE TABLE t1 (a int, b varchar)");
st.execute( "CREATE TABLE t2 (a int, b varchar)");
st.execute( "INSERT INTO t1 VALUES (1,'one')");
ResultSet rs = st.executeQuery("SELECT * FROM t1");
ResultSetMetaData md = rs.getMetaData();
System.out.println("Number of columns t1 = " + md.getColumnCount());
rs.close();
rs = st.executeQuery("SELECT * FROM t2");
md = rs.getMetaData();
System.out.println("Number of columns t2 = " + md.getColumnCount());
rs.close();
st.close();
}
}
Basically it seems that the result set metdata is not properly
initialized when a query returns no rows.
I guess my question is is this a bug or is it intended behavior?
Implementing a similar program with the C api I am able to get the
proper count of columns back so I would assume a bug.
I should note that I am running javasqlite 20090409 with sqlite 3.6.12
on mac os x leopard.
Thanks,
-Justin
--
Justin Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.
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