fill_us.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 = m_fl_db
$tbPrefix = m_fl_tb
$mtPrefix = m_fl_mt
$tbNum = 10
$rowNum = 5
$totalNum = $tbNum * $rowNum
$ts0 = 1537146000000000      # 2018-09-17 09:00:00.000000
$delta = 600000000
print ========== fill_us.sim
$i = 0
$db = $dbPrefix . $i
$mt = $mtPrefix . $i

sql drop database $db -x step1
step1:
sql create database $db precision 'us'
sql use $db
sql create table $mt (ts timestamp, c1 int, c2 bigint, c3 float, c4 double, c5 smallint, c6 bool, c7 binary(10), c8 nchar(10)) tags(tgcol int)

$i = 0
$ts = $ts0
while $i < $tbNum
  $tb = $tbPrefix . $i
  sql create table $tb using $mt tags( $i )

  $x = 0
  while $x < $rowNum
    $xs = $x * $delta
    $ts = $ts0 + $xs
    sql insert into $tb values ( $ts , $x , $x , $x , $x , $x , true, 'BINARY', 'NCHAR' )
    $x = $x + 1
  endw

  $i = $i + 1
endw

# setup
$i = 0
$tb = $tbPrefix . $i
$tsu = 4 * $delta
$tsu = $tsu + $ts0

## fill syntax test
# number of fill values exceeds number of selected columns
print select _wstart, max(c1), max(c2), max(c3), max(c4), max(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6, 6, 6, 6, 6, 6, 6)
sql_error select _wstart, max(c1), max(c2), max(c3), max(c4), max(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6, 6, 6, 6, 6, 6, 6)

# number of fill values is smaller than number of selected columns
print sql select _wstart, max(c1), max(c2), max(c3) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6)
sql_error select _wstart, max(c1), max(c2), max(c3) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6)

# unspecified filling method
sql_error select max(c1), max(c2), max(c3), max(c4), max(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill (6, 6, 6, 6, 6)

## constant fill test
# count_with_fill
print constant_fill test
print count_with_constant_fill
print sql select count(c1), count(c2), count(c3), count(c4), count(c5), count(c6), count(c7), count(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6, 6, 6, 6, 6, 6, 6)
sql select count(c1), count(c2), count(c3), count(c4), count(c5), count(c6), count(c7), count(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6, 6, 6, 6, 6, 6, 6)
if $rows != 9 then
  return -1
endi
if $data01 != 1 then
  return -1
endi
if $data11 != 6 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 6 then
  return -1
endi
if $data41 != 1 then
  return -1
endi
if $data51 != 6 then
  return -1
endi
if $data61 != 1 then
  return -1
endi
if $data71 != 6 then
  return -1
endi
if $data81 != 1 then
  return -1
endi

# avg_with_fill
print avg_witt_constant_fill
sql select avg(c1), avg(c2), avg(c3), avg(c4), avg(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6, 6, 6, 6)
if $rows != 9 then
  return -1
endi
if $data01 != 0.000000000 then
  return -1
endi
if $data11 != 6.000000000 then
  return -1
endi
if $data21 != 1.000000000 then
  return -1
endi
if $data31 != 6.000000000 then
  return -1
endi
if $data41 != 2.000000000 then
  return -1
endi
if $data51 != 6.000000000 then
  return -1
endi
if $data61 != 3.000000000 then
  return -1
endi
if $data71 != 6.000000000 then
  return -1
endi
if $data81 != 4.000000000 then
  return -1
endi

# max_with_fill
print max_with_fill
sql select max(c1), max(c2), max(c3), max(c4), max(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6, 6, 6, 6)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != 6 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 6 then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != 6 then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != 6 then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# min_with_fill
print min_with_fill
sql select min(c1), min(c2), min(c3), min(c4), min(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6, 6, 6, 6)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != 6 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 6 then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != 6 then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != 6 then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# first_with_fill
print first_with_fill
sql select _wstart, first(c1), first(c2), first(c3), first(c4), first(c5), first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6, 6, 6, 6, 6, '6', '6')
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != 6 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 6 then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != 6 then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != 6 then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# check double type values
if $data04 != 0.000000000 then
  return -1
endi
print data14 = $data14
if $data14 != 6.000000000 then
  return -1
endi
if $data24 != 1.000000000 then
  return -1
endi
if $data34 != 6.000000000 then
  return -1
endi
if $data44 != 2.000000000 then
  return -1
endi
if $data54 != 6.000000000 then
  return -1
endi
if $data64 != 3.000000000 then
  return -1
endi

# check float type values
print $data03 $data13
if $data03 != 0.00000 then
  return -1
endi
if $data13 != 6.00000 then
  return -1
endi
if $data23 != 1.00000 then
  return -1
endi
if $data33 != 6.00000 then
  return -1
endi
if $data43 != 2.00000 then
  return -1
endi
if $data53 != 6.00000 then
  return -1
endi
if $data63 != 3.00000 then
  return -1
endi
if $data73 != 6.00000 then
  return -1
endi
if $data83 != 4.00000 then
  return -1
endi


# last_with_fill
print last_with_fill
sql select last(c1), last(c2), last(c3), last(c4), last(c5), last(c6), last(c7), last(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 6, 6, 6, 6, 6, 6, '6', '6')
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != 6 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 6 then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != 6 then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != 6 then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# fill_negative_values
sql select _wstart, sum(c1), avg(c2), max(c3), min(c4), count(c5), count(c6), count(c7), count(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, -1, -1, -1, -1, -1, -1, -1, -1)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != -1 then
  return -1
endi

# fill_char_values_to_arithmetic_fields
sql select sum(c1), avg(c2), max(c3), min(c4), avg(c4), count(c6), last(c7), last(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 'c', 'c', 'c', 'c', 'c', 'c', 'c', 'c')

# fill_multiple_columns
sql_error select _wstart, sum(c1), avg(c2), min(c3), max(c4), count(c6), first(c7), last(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 99, 99, 99, 99, 99, abc, abc)
sql select _wstart, sum(c1), avg(c2), min(c3), max(c4) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 99, 99, 99, 99)
if $rows != 9 then
  return -1
endi
print data01 = $data01
print data11 = $data11
if $data01 != 0 then
  return -1
endi
if $data11 != 99 then
  return -1
endi

sql select * from $tb
#print data08 = $data08
if $data08 != NCHAR then
  return -1
endi
#return -1


# fill_into_nonarithmetic_fieds
sql select _wstart, first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 20000000, 20000000, 20000000)

sql select first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 1, 1, 1)
sql select first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 1.1, 1.1, 1.1)
sql select first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 1e1, 1e1, 1e1)
sql select first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, '1e', '1e1')
# fill quoted values into bool column will throw error unless the value is 'true' or 'false' Note:2018-10-24
# fill values into binary or nchar columns will be set to null automatically Note:2018-10-24
sql select first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, '1e', '1e1','1e1')
sql select first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, true, true, true)
sql select first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 'true', 'true','true')


# fill nonarithmetic values into arithmetic fields
sql_error select count(*) where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, abc);
sql select count(*) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 'true');

sql select _wstart, count(*) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, '1e1');

sql select _wstart, count(*) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, 1e1);
if $rows != 9 then
  return -1
endi
if $data01 != 1 then
  return -1
endi

sql select _wstart, count(*) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(value, '10');

## linear fill
# feature currently switched off 2018/09/29
#sql select count(c1), count(c2), count(c3), count(c4), count(c5), count(c6), count(c7), count(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(linear)

## previous fill
print fill(prev)
sql select _wstart, count(c1), count(c2), count(c3), count(c4), count(c5), count(c6), count(c7), count(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(prev)
if $rows != 9 then
  return -1
endi
if $data01 != 1 then
  return -1
endi
if $data11 != 1 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 1 then
  return -1
endi
if $data41 != 1 then
  return -1
endi
if $data51 != 1 then
  return -1
endi
if $data61 != 1 then
  return -1
endi
if $data71 != 1 then
  return -1
endi
if $data81 != 1 then
  return -1
endi

# avg_with_fill
sql select _wstart, avg(c1), avg(c2), avg(c3), avg(c4), avg(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(prev)
if $rows != 9 then
  return -1
endi
if $data01 != 0.000000000 then
  return -1
endi
if $data11 != 0.000000000 then
  return -1
endi
if $data21 != 1.000000000 then
  return -1
endi
if $data31 != 1.000000000 then
  return -1
endi
if $data41 != 2.000000000 then
  return -1
endi
if $data51 != 2.000000000 then
  return -1
endi
if $data61 != 3.000000000 then
  return -1
endi
if $data71 != 3.000000000 then
  return -1
endi
if $data81 != 4.000000000 then
  return -1
endi

# max_with_fill
sql select max(c1), max(c2), max(c3), max(c4), max(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(prev)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != 0 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 1 then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != 2 then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != 3 then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# min_with_fill
sql select min(c1), min(c2), min(c3), min(c4), min(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(prev)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != 0 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 1 then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != 2 then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != 3 then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# first_with_fill
sql select first(c1), first(c2), first(c3), first(c4), first(c5), first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(prev)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != 0 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 1 then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != 2 then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != 3 then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# last_with_fill
sql select last(c1), last(c2), last(c3), last(c4), last(c5), last(c6), last(c7), last(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(prev)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != 0 then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != 1 then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != 2 then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != 3 then
  return -1
endi
if $data81 != 4 then
  return -1
endi

## NULL fill
print fill(value, NULL)
# count_with_fill
sql select count(c1), count(c2), count(c3), count(c4), count(c5), count(c6), count(c7), count(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill( NULL)
print select _wstart, count(c1), count(c2), count(c3), count(c4), count(c5), count(c6), count(c7), count(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill( NULL)
sql select _wstart, count(c1), count(c2), count(c3), count(c4), count(c5), count(c6), count(c7), count(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(NULL)
if $rows != 9 then
  return -1
endi
if $data01 != 1 then
  return -1
endi
if $data11 != NULL then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != NULL then
  return -1
endi
if $data41 != 1 then
  return -1
endi
if $data51 != NULL then
  return -1
endi
if $data61 != 1 then
  return -1
endi
if $data71 != NULL then
  return -1
endi
if $data81 != 1 then
  return -1
endi
sql select count(c1), count(c2), count(c3), count(c4), count(c5), count(c6), count(c7), count(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(none)
if $rows != 5 then
  return -1
endi

# avg_with_fill
sql select _wstart, avg(c1), avg(c2), avg(c3), avg(c4), avg(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill( NULL)
if $rows != 9 then
  return -1
endi
if $data01 != 0.000000000 then
  return -1
endi
if $data11 != NULL then
  return -1
endi
if $data21 != 1.000000000 then
  return -1
endi
if $data31 != NULL then
  return -1
endi
if $data41 != 2.000000000 then
  return -1
endi
if $data51 != NULL then
  return -1
endi
if $data61 != 3.000000000 then
  return -1
endi
if $data71 != NULL then
  return -1
endi
if $data81 != 4.000000000 then
  return -1
endi

# max_with_fill
sql select _wstart, max(c1), max(c2), max(c3), max(c4), max(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill( NULL)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != NULL then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != NULL then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != NULL then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != NULL then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# min_with_fill
sql select _wstart, min(c1), min(c2), min(c3), min(c4), min(c5) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(NULL)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != NULL then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != NULL then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != NULL then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != NULL then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# first_with_fill
sql select _wstart, first(c1), first(c2), first(c3), first(c4), first(c5), first(c6), first(c7), first(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill( NULL)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != NULL then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != NULL then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != NULL then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != NULL then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# last_with_fill
sql select _wstart, last(c1), last(c2), last(c3), last(c4), last(c5), last(c6), last(c7), last(c8) from $tb where ts >= $ts0 and ts <= $tsu interval(5m) fill(NULL)
if $rows != 9 then
  return -1
endi
if $data01 != 0 then
  return -1
endi
if $data11 != NULL then
  return -1
endi
if $data21 != 1 then
  return -1
endi
if $data31 != NULL then
  return -1
endi
if $data41 != 2 then
  return -1
endi
if $data51 != NULL then
  return -1
endi
if $data61 != 3 then
  return -1
endi
if $data71 != NULL then
  return -1
endi
if $data81 != 4 then
  return -1
endi

# desc fill query
print desc fill query
sql select count(*) from m_fl_tb0 where ts>='2018-9-17 9:0:0' and ts<='2018-9-17 9:11:00' interval(1m) fill(value,10);
if $rows != 12 then
  return -1
endi


#print =============== clear
#sql drop database $db
#sql select * from information_schema.ins_databases
#if $rows != 0 then
#  return -1
#endi

######################### us ##########################
$start = 1537146000000000      # 2018-09-17 09:00:00.000000
$delta = 600000000

sql create table us_st (ts timestamp, c1 int, c2 double) tags(tgcol int)
sql create table us_t1 using us_st tags( 1 )

sql insert into us_t1 values ('2018-09-17 09:00:00.000001', 1 , 1)
sql insert into us_t1 values ('2018-09-17 09:00:00.000002', 2 , 2)
sql insert into us_t1 values ('2018-09-17 09:00:00.000003', 3 , 3)
sql insert into us_t1 values ('2018-09-17 09:00:00.000004', 4 , 4)
sql insert into us_t1 values ('2018-09-17 09:00:00.000005', 5 , 5)
sql insert into us_t1 values ('2018-09-17 09:00:00.000006', 6 , 6)
sql insert into us_t1 values ('2018-09-17 09:00:00.000007', 7 , 7)
sql insert into us_t1 values ('2018-09-17 09:00:00.000008', 8 , 8)
sql insert into us_t1 values ('2018-09-17 09:00:00.000009', 9 , 9)

sql insert into us_t1 values ('2018-09-17 09:00:00.000015', 15 , 15)
sql insert into us_t1 values ('2018-09-17 09:00:00.000016', 16 , 16)
sql insert into us_t1 values ('2018-09-17 09:00:00.000017', 17 , 17)

sql insert into us_t1 values ('2018-09-17 09:00:00.000021', 21 , 21)
sql insert into us_t1 values ('2018-09-17 09:00:00.000022', 22 , 22)
sql insert into us_t1 values ('2018-09-17 09:00:00.000023', 23 , 23)

sql insert into us_t1 values ('2018-09-17 09:00:00.000027', 27 , 27)
sql insert into us_t1 values ('2018-09-17 09:00:00.000028', 28 , 28)
sql insert into us_t1 values ('2018-09-17 09:00:00.000029', 29 , 29)

print sql select avg(c1), avg(c2) from us_t1 where ts >= '2018-09-17 09:00:00.000002' and ts <= '2018-09-17 09:00:00.000021' interval(3u) fill(value, 999, 999)
sql select avg(c1), avg(c2) from us_t1 where ts >= '2018-09-17 09:00:00.000002' and ts <= '2018-09-17 09:00:00.000021' interval(3u) fill(value, 999, 999)
if $rows != 8 then
  return -1
endi
if $data01 != 2.000000000 then
  return -1
endi
if $data11 != 4.000000000 then
  return -1
endi
if $data21 != 7.000000000 then
  return -1
endi
if $data31 != 9.000000000 then
  return -1
endi
if $data41 != 999.000000000 then
  return -1
endi
if $data51 != 16.000000000 then
  return -1
endi
if $data61 != 999.000000000 then
  return -1
endi
if $data71 != 21.000000000 then
  return -1
endi

sql select avg(c1), avg(c2) from us_t1 where ts >= '2018-09-17 09:00:00.000002' and ts <= '2018-09-17 09:00:00.000021' interval(3u) fill(none)
if $rows != 6 then
  return -1
endi
if $data01 != 2.000000000 then
  return -1
endi
if $data11 != 4.000000000 then
  return -1
endi
if $data21 != 7.000000000 then
  return -1
endi
if $data31 != 9.000000000 then
  return -1
endi
if $data41 != 16.000000000 then
  return -1
endi
if $data51 != 21.000000000 then
  return -1
endi

sql select avg(c1), avg(c2) from us_t1 where ts >= '2018-09-17 09:00:00.000002' and ts <= '2018-09-17 09:00:00.000021' interval(3u) fill(null)
if $rows != 8 then
  return -1
endi
if $data01 != 2.000000000 then
  return -1
endi
if $data11 != 4.000000000 then
  return -1
endi
if $data21 != 7.000000000 then
  return -1
endi
if $data31 != 9.000000000 then
  return -1
endi
if $data41 != NULL then
  print ===== $data41
  return -1
endi
if $data51 != 16.000000000 then
  return -1
endi
if $data61 != NULL then
   print ===== $data61
  return -1
endi
if $data71 != 21.000000000 then
  return -1
endi



sql select avg(c1), avg(c2) from us_t1 where ts >= '2018-09-17 09:00:00.000002' and ts <= '2018-09-17 09:00:00.000021' interval(3u) fill(prev)
if $rows != 8 then
  return -1
endi
if $data01 != 2.000000000 then
  return -1
endi
if $data11 != 4.000000000 then
  return -1
endi
if $data21 != 7.000000000 then
  return -1
endi
if $data31 != 9.000000000 then
  return -1
endi
if $data41 != 9.000000000 then
  return -1
endi
if $data51 != 16.000000000 then
  return -1
endi
if $data61 != 16.000000000 then
  return -1
endi
if $data71 != 21.000000000 then
  return -1
endi

sql select _wstart, avg(c1), avg(c2) from us_t1 where ts >= '2018-09-17 09:00:00.000002' and ts <= '2018-09-17 09:00:00.000021' interval(3u) fill(linear)
if $rows != 8 then
  return -1
endi
if $data01 != 2.000000000 then
  return -1
endi
if $data11 != 4.000000000 then
  return -1
endi
if $data21 != 7.000000000 then
  return -1
endi
if $data31 != 9.000000000 then
  return -1
endi
if $data41 != 12.500000000 then
  print expect 12.500000000, actual: $data41
  return -1
endi
if $data51 != 16.000000000 then
  return -1
endi
if $data61 != 18.500000000 then
  return -1
endi
if $data71 != 21.000000000 then
  return -1
endi

print ======== fill_us.sim run end...... ================