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−/*
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− * This Source Code Form is subject to the terms of the Mozilla Public
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− * License, v. 2.0.  If a copy of the MPL was not distributed with this
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− * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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− *
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− * Copyright 1997 - July 2008 CWI, August 2008 - 2020 MonetDB B.V.
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− */
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−
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−import java.sql.*;
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−
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−public class Test_Rpositioning {
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−	public static void main(String[] args) throws Exception {
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−		Connection con = DriverManager.getConnection(args[0]);
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−		Statement stmt = con.createStatement();
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−		DatabaseMetaData dbmd = con.getMetaData();
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−
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−		// get a one rowed resultset
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−		ResultSet rs = stmt.executeQuery("SELECT 1");
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−
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−		// >> true: we should be before the first result now
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−		System.out.println("1. true\t" + rs.isBeforeFirst());
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−		// >> false: we're not at the first result
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−		System.out.println("2. false\t" + rs.isFirst());
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−		// >> true: there is one result, so we can call next once
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−		System.out.println("3. true\t" + rs.next());
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−		// >> false: we're not before the first row anymore
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−		System.out.println("4. false\t" + rs.isBeforeFirst());
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−		// >> true: we're at the first result
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−		System.out.println("5. true\t" + rs.isFirst());
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−		// >> false: we're on the last row
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−		System.out.println("6. false\t" + rs.isAfterLast());
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−		// >> true: see above
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−		System.out.println("7. true\t" + rs.isLast());
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−		// >> false: there is one result, so this is it
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−		System.out.println("8. false\t" + rs.next());
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−		// >> true: yes, we're at the end
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−		System.out.println("9. true\t" + rs.isAfterLast());
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−		// >> false: no we're one over it
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−		System.out.println("10. false\t" + rs.isLast());
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−		// >> false: another try to move on should still fail
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−		System.out.println("11. false\t" + rs.next());
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−		// >> true: and we should stay positioned after the last
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−		System.out.println("12.true\t" + rs.isAfterLast());
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−
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−		rs.close();
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−
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−		// try the same with a 'virtual' result set
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−		rs = dbmd.getTableTypes();
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−
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−		// >> true: we should be before the first result now
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−		System.out.println("1. true\t" + rs.isBeforeFirst());
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−		// >> false: we're not at the first result
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−		System.out.println("2. false\t" + rs.isFirst());
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−		// >> true: there is one result, so we can call next once
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−		System.out.println("3. true\t" + rs.next());
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−		// >> false: we're not before the first row anymore
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−		System.out.println("4. false\t" + rs.isBeforeFirst());
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−		// >> true: we're at the first result
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−		System.out.println("5. true\t" + rs.isFirst());
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−		// move to last row
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−		rs.last();
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−		// >> false: we're on the last row
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−		System.out.println("6. false\t" + rs.isAfterLast());
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−		// >> true: see above
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−		System.out.println("7. true\t" + rs.isLast());
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−		// >> false: there is one result, so this is it
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−		System.out.println("8. false\t" + rs.next());
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−		// >> true: yes, we're at the end
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−		System.out.println("9. true\t" + rs.isAfterLast());
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−		// >> false: no we're one over it
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−		System.out.println("10. false\t" + rs.isLast());
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−		// >> false: another try to move on should still fail
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−		System.out.println("11. false\t" + rs.next());
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−		// >> true: and we should stay positioned after the last
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−		System.out.println("12. true\t" + rs.isAfterLast());
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−
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−		rs.close();
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−
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−		con.close();
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−	}
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−}