stmt = this.session.createStatement();
stmt.setInt(1, 1);
stmt.setString(2, "dennis");
stmt.setString(3, "test@163.com");
stmt.setInt(4, 109);
assertEquals(1, stmt.update(keys, FindOperator.EQ));
// find twice
rs = this.session.find(new String[] { "dennis" });
assertTrue(rs.next());