public static ShowResultSet execute(ShowStmt statement, ConnectContext context) {
        return GlobalStateMgr.getCurrentState().getShowExecutor().showExecutorVisitor.visit(statement, context);
    }
@Test
    public void testShowEmpty() throws AnalysisException, DdlException {
        ShowProcedureStmt stmt = new ShowProcedureStmt();

        ShowResultSet resultSet = ShowExecutor.execute(stmt, ctx);

        Assert.assertFalse(resultSet.next());
    }