stddev.sim

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/exec.sh -n dnode1 -s start

$loop_cnt = 0
check_dnode_ready:
	$loop_cnt = $loop_cnt + 1
	sleep 200
	if $loop_cnt == 10 then
	  print ====> dnode not ready!
		return -1
	endi
sql show dnodes
print ===> $rows $data00 $data01 $data02 $data03 $data04 $data05
if $data00 != 1 then
  return -1
endi
if $data04 != ready then
  goto check_dnode_ready
endi

sql connect

$dbPrefix = db
$tbPrefix = ctb
$mtPrefix = stb
$tbNum = 10
$rowNum = 20
$totalNum = 200

print =============== step1
$i = 0
$db = $dbPrefix . $i
$mt = $mtPrefix . $i

sql drop database $db -x step1
step1:
sql create database $db
sql use $db
sql create table $mt (ts timestamp, tbcol int) TAGS(tgcol int)

$i = 0
while $i < $tbNum
  $tb = $tbPrefix . $i
  sql create table $tb using $mt tags( $i )
  
  $x = 0
  while $x < $rowNum
    $cc = $x * 60000
    $ms = 1601481600000 + $cc

    sql insert into $tb values ($ms , $x ) 
    $x = $x + 1
  endw 
 
  $i = $i + 1
endw 

sleep 100

print =============== step2
$i = 1
$tb = $tbPrefix . $i

sql select stddev(tbcol) from $tb
print ===> $data00
if $data00 != 5.766281297 then 
  return -1
endi

print =============== step3
$cc = 4 * 60000
$ms = 1601481600000 + $cc

print ===> select stddev(tbcol) from $tb where ts <= $ms
sql select stddev(tbcol) from $tb where ts <= $ms
print ====> $data00 $data01 $data02 $data03 $data04 $data05
if $data00 != 1.414213562 then 
  return -1
endi

print =============== step4
sql select stddev(tbcol) as b from $tb
print ===> $data00
if $data00 != 5.766281297 then 
  return -1
endi

print =============== step5
sql select _wstartts, stddev(tbcol) as b from $tb interval(1m)
print ===> $data01 
if $data01 != 0.000000000 then
  print expect 0.000000000, actual: $data01
  return -1
endi

sql select _wstartts, stddev(tbcol) as b from $tb interval(1d)
print ===> $data01
if $data01 != 5.766281297 then 
  return -1
endi

print =============== step6
$cc = 4 * 60000
$ms = 1601481600000 + $cc

print select _wstartts, stddev(tbcol) as b from $tb where ts <= $ms interval(1m)
sql select _wstartts, stddev(tbcol) as b from $tb where ts <= $ms interval(1m)
print ===> $data01
if $data01 != 0.000000000 then 
  return -1
endi

print $data00 , $data10 ,  $data20 , $data30 , $data40  , $data50 , $data60

if $rows != 5 then
  print expect 5, actual: $rows
  return -1
endi

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

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