TD-5903 Romove 'SHOW VGROUP tabname' command.

tests/pytest/query/bug5903.py

+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+from util.log import *
+from util.cases import *
+from util.sql import *
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+
+    def run(self):
+        # TD-5903 show db.vgroups xxx. xxx is invalid content, but still returns results.
+        # PR: 
+
+        tdSql.execute("create database if not exists test_5903")
+        tdSql.execute("show test_5903.vgroups")
+        tdSql.error("show test_5903.vgroups xxx")
+        #res = tdSql.query('show test_5903.vgroups', True)
+        #expected_res = [(datetime.datetime(2020, 9, 13, 20, 26, 40), 'aaa', True, 127, 32767, 2147483647, 9223372036854775807, 11.12345027923584, 22.123456789, 'aaa', 'aaa')]
+        #tdSql.checkEqual(res, expected_res)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())