@Override
    public void setFetchSize(final Statement statement) throws SQLException {
        delegated.setFetchSize(statement);
    }
@Test
    void assertSetFetchSize() throws SQLException {
        Statement statement = mock(Statement.class);
        ContextManager contextManager = mockContextManager();
        when(ProxyContext.getInstance().getContextManager()).thenReturn(contextManager);
        new OpenGaussStatementMemoryStrictlyFetchSizeSetter().setFetchSize(statement);
        verify(statement).setFetchSize(1);
    }