Fix ON DUPLICATE KEY UPDATE for inserts with multiple rows

h2/src/main/org/h2/command/dml/Insert.java

@@ -439,7 +439,7 @@ public class Insert extends Prepared implements ResultTarget {
                         condition = new ConditionAndOr(ConditionAndOr.AND,
                                 condition,
                                 new Comparison(session, Comparison.EQUAL, expr,
-                                        list.get(0)[i++]));
+                                        list.get(getCurrentRowNumber() - 1)[i++]));
                     }
                 }
             }

h2/src/test/org/h2/test/db/TestDuplicateKeyUpdate.java

@@ -109,12 +109,14 @@ public class TestDuplicateKeyUpdate extends TestBase {
         assertEquals("UPDATE", rs.getNString(1));
 
         stat.execute("INSERT INTO table_test2 (a_text, some_text, updatable_text ) " +
-                "VALUES ('b', 'b', 'test') " +
+                "VALUES ('b', 'b', 'test'), ('c', 'c', 'test2') " +
                 "ON DUPLICATE KEY UPDATE updatable_text=values(updatable_text)");
         rs = stat.executeQuery("SELECT updatable_text " +
-                "FROM table_test2 where a_text = 'b'");
+                "FROM table_test2 where a_text in ('b', 'c') order by a_text");
         rs.next();
         assertEquals("test", rs.getNString(1));
+        rs.next();
+        assertEquals("test2", rs.getNString(1));
     }
 
     private void testDuplicateCache(Connection conn) throws SQLException {