Minor fix in resource gorup move query

src/backend/utils/resgroup/resgroup_helper.c

@@ -498,6 +498,11 @@ pg_resgroup_move_query(PG_FUNCTION_ARGS)
 	Oid groupId;
 	const char *groupName;
 
+	if (!IsResGroupEnabled())
+		ereport(ERROR,
+				(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
+				 (errmsg("resource group is not enabled"))));
+
 	if (!superuser())
 		ereport(ERROR,
 				(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),

src/test/isolation2/input/resgroup/resgroup_move_query.source

@@ -26,7 +26,9 @@ $$ LANGUAGE sql;
 -- @param pid: the pid of QD
 -- @param groupname: resource group id
 -- @return bool: true/false indicating whether it the session is in the resource group
+-- start_ignore
 CREATE LANGUAGE plpythonu;
+-- end_ignore
 
 CREATE OR REPLACE FUNCTION is_session_in_group(pid integer, groupname text) RETURNS BOOL AS $$
 import subprocess
@@ -49,7 +51,7 @@ process = subprocess.Popen("ps -ef | grep postgres | grep con%d | grep -v grep |
 session_pids = process.communicate()[0].split('\n')[:-1] 
 
 cgroups_pids = []
-path = "/sys/fs/cgroup/cpu/gpdb/%d/cgroup.procs" % groupid
+path = "@cgroup_mnt_point@/cpu/gpdb/%d/cgroup.procs" % groupid
 fd = open(path)
 for line in fd.readlines():
     cgroups_pids.append(line.strip('\n'))

src/test/isolation2/output/resgroup/resgroup_move_query.source

@@ -23,15 +23,17 @@ CREATE
 -- @param pid: the pid of QD
 -- @param groupname: resource group id
 -- @return bool: true/false indicating whether it the session is in the resource group
+-- start_ignore
 CREATE LANGUAGE plpythonu;
 CREATE
+-- end_ignore
 
 CREATE OR REPLACE FUNCTION is_session_in_group(pid integer, groupname text) RETURNS BOOL AS $$ import subprocess import pygresql.pg as pg import time import re 
 conn = pg.connect(dbname="isolation2resgrouptest") pt = re.compile(r'con(\d+)') 
 sql = "select sess_id from pg_stat_activity where pid = '%d'" % pid result = conn.query(sql).getresult() session_id = result[0][0] 
 sql = "select groupid from gp_toolkit.gp_resgroup_config where groupname='%s'" % groupname result = conn.query(sql).getresult() groupid = result[0][0] 
 process = subprocess.Popen("ps -ef | grep postgres | grep con%d | grep -v grep | awk '{print $2}'" % session_id, shell=True, stdout=subprocess.PIPE) session_pids = process.communicate()[0].split('\n')[:-1] 
-cgroups_pids = [] path = "/sys/fs/cgroup/cpu/gpdb/%d/cgroup.procs" % groupid fd = open(path) for line in fd.readlines(): cgroups_pids.append(line.strip('\n')) 
+cgroups_pids = [] path = "@cgroup_mnt_point@/cpu/gpdb/%d/cgroup.procs" % groupid fd = open(path) for line in fd.readlines(): cgroups_pids.append(line.strip('\n')) 
 return set(session_pids).issubset(set(cgroups_pids)) $$ LANGUAGE plpythonu;
 CREATE