system sh/stop_dnodes.sh

system sh/deploy.sh -n dnode1 -i 1
system sh/cfg.sh -n dnode1 -c walLevel -v 1
system sh/cfg.sh -n dnode1 -c maxtablesPerVnode -v 5
system sh/exec.sh -n dnode1 -s start
sleep 100
sql connect

$dbPrefix = sav_db
$tbPrefix = sav_tb
$stbPrefix = sav_stb
$tbNum = 20
$rowNum = 10
$totalNum = $tbNum * $rowNum
$ts0 = 1537146000000
$delta = 600000
print ========== alter.sim
$i = 0
$db = $dbPrefix
$stb = $stbPrefix

sql drop database if exists $db
sql create database $db
sql use $db
print ====== create tables
sql create table $stb (ts timestamp, c1 int, c2 bigint, c3 float, c4 double, c5 smallint, c6 tinyint, c7 bool, c8 binary(10), c9 nchar(10)) tags(t1 int, t2 int)

$i = 0
$ts = $ts0
while $i < $tbNum
  $tb = $tbPrefix . $i
  sql create table $tb using $stb tags( $i , 0 )
  $i = $i + 1
endw 

print ====== table created  

#### select distinct tag
sql select distinct t1 from $stb
if $rows != $tbNum then
  return -1
endi

#### select distinct tag
sql select distinct t2 from $stb
if $rows != 1 then
  print $rows
  return -1
endi

#### unsupport sql
sql_error select distinct t1, t2 from &stb

sql drop database $db
sql show databases
if $rows != 0 then 
  return -1
endi

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