system sh/stop_dnodes.sh
system sh/deploy.sh -n dnode1 -i 1
system sh/cfg.sh -n dnode1 -c wallevel -v 0
system sh/exec.sh -n dnode1 -s start

sleep 3000
sql connect

$i = 0
$dbPrefix = apdb
$tbPrefix = aptb
$db = $dbPrefix . $i
$tb = $tbPrefix . $i
$userPrefix = apusr

print =============== step1
$i = 0
$user = $userPrefix . $i

sql drop user $user -x step11
  return -1
step11:

sql create user $user PASS -x step12
  return -1
step12:

sql create user $user PASS 'taosdata'

sql show users
if $rows != 4 then 
  return -1
endi

print =============== step2
$i = 1
$user = $userPrefix . $i
sql drop user $user -x step2
step2:
sql create user $user PASS '1'
sql show users
if $rows != 5 then 
  return -1
endi

print =============== step3
$i = 2
$user = $userPrefix . $i
sql drop user $user -x step3
step3:

sql create user $user PASS 'abc0123456789'
sql show users
if $rows != 6 then 
  return -1
endi

print =============== step4
$i = 3
$user = $userPrefix . $i
sql create user $user PASS 'abcd012345678901234567891234567890' -x step4
	return -1
step4:
sql show users
if $rows != 6 then 
  return -1
endi

$i = 0
while $i < 3
  $user = $userPrefix . $i
  sql drop user $user 
  $i = $i + 1
endw

sql show users
if $rows != 3 then 
  return -1
endi

system sh/exec.sh -n dnode1 -s stop  -x SIGINT