private int invokeCount = 0;
protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:xxx");
ConnectionProxyImpl conn = new ConnectionProxyImpl(dataSource, null, new Properties(), 0);
statement = new StatementProxyImpl(conn, null, 1);
mockResultSet = new MockResultSet(null) {
public Object getObject(int columnIndex) throws SQLException {