TDengine/tests/script/tsim/compute/null.sim

system sh/stop_dnodes.sh
system sh/deploy.sh -n dnode1 -i 1
system sh/exec.sh -n dnode1 -s start
sql connect

$dbPrefix = db
$tbPrefix = tb
$mtPrefix = mt
$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, tbcol2 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

    $v1 = $x
    $v2 = $x
    if $x == 0 then
      $v1 = NULL
    endi

    sql insert into $tb values ($ms , $v1 , $v2 )
    $x = $x + 1
  endw

  $i = $i + 1
endw

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

sql select * from $tb
print $data00 $data01 $data02
if $data01 != NULL then
  return -1
endi
if $data02 != 0 then
  return -1
endi
if $rows != 20 then
  return -1
endi

print =============== step3
sql select count(tbcol), count(tbcol2), avg(tbcol), avg(tbcol2), sum(tbcol), sum(tbcol2) from $tb
print ===> $data00 $data01 $data02 $data03 $data04 $data05
if $data00 != 19 then
  return -1
endi
if $data01 != 20 then
  return -1
endi
if $data02 != 10.000000000 then
  return -1
endi
if $data03 != 9.500000000 then
  return -1
endi
if $data04 != 190 then
  return -1
endi
if $data05 != 190 then
  return -1
endi

print =============== step4
sql select * from $tb  where tbcol2 = 19
print ===> $data01 $data02
if $rows != 1 then
  return -1
endi
if $data01 != 19 then
  return -1
endi
if $data02 != 19 then
  return -1
endi

sql select * from $tb  where tbcol is NULL
if $rows != 1 then
  return -1
endi

sql select * from $tb  where tbcol = NULL
if $rows != 0 then
  return -1
endi

print =============== step5
sql create table tt using $mt tags( NULL )

#sql alter table $tb set tgcol=NULL -x step52
#  return -1
#step52:

sql select * from $mt  where tgcol is NULL
if $rows != 0 then
  return -1
endi

print =============== step6
sql select count(tbcol), count(tbcol2), avg(tbcol), avg(tbcol2), sum(tbcol), sum(tbcol2) from $mt
print ===> $data00 $data01 $data02 $data03 $data04 $data05
if $data00 != 190 then
  return -1
endi
if $data01 != 200 then
  return -1
endi
if $data02 != 10.000000000 then
  return -1
endi
if $data03 != 9.500000000 then
  return -1
endi
if $data04 != 1900 then
  return -1
endi
if $data05 != 1900 then
  return -1
endi

print =============== step7
sql create table t1 (ts timestamp, i bool)
sql create table t2 (ts timestamp, i smallint)
sql create table t3 (ts timestamp, i tinyint)
sql create table t4 (ts timestamp, i int)
sql create table t5 (ts timestamp, i bigint)
sql create table t6 (ts timestamp, i float)
sql create table t7 (ts timestamp, i double)
sql create table t8 (ts timestamp, i binary(10))
sql insert into t1 values(now, NULL)
sql insert into t2 values(now, NULL)
sql insert into t3 values(now, NULL)
sql insert into t4 values(now, NULL)
sql insert into t5 values(now, NULL)
sql insert into t6 values(now, NULL)
sql insert into t7 values(now, NULL)
#sql insert into t8 values(now, NULL)

#sql select * from t1
#if $rows != 1 then
#  return -1
#endi
#if $data01 != NULL then
#  return -1
#endi

sql select * from t2
if $rows != 1 then
  return -1
endi
if $data01 != NULL then
  return -1
endi

sql select * from t3
if $rows != 1 then
  return -1
endi
if $data01 != NULL then
  return -1
endi

sql select * from t4
if $rows != 1 then
  return -1
endi
if $data01 != NULL then
  return -1
endi

sql select * from t5
if $rows != 1 then
  return -1
endi
if $data01 != NULL then
  return -1
endi

sql select * from t6
if $rows != 1 then
  return -1
endi
if $data01 != NULL then
  return -1
endi

sql select * from t7
if $rows != 1 then
  return -1
endi
if $data01 != NULL then
  return -1
endi

#sql select * from t8
#if $rows != 1 then
#  return -1
#endi
#if $data01 != NULL then
#  return -1
#endi

print =============== clear
sql drop database $db
sql select * from information_schema.ins_databases
if $rows != 2 then
  return -1
endi

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