system sh/stop_dnodes.sh system sh/deploy.sh -n dnode1 -i 1 system sh/cfg.sh -n dnode1 -c debugflag -v 131 system sh/exec.sh -n dnode1 -s start sql connect print =============== step1: create drop show dnodes $x = 0 step1: $x = $x + 1 sleep 1000 if $x == 10 then print ---> dnode not ready! return -1 endi sql show dnodes print ---> $data00 $data01 $data02 $data03 $data04 $data05 if $rows != 1 then return -1 endi if $data(1)[4] != ready then goto step1 endi $tbPrefix = tb $tbNum = 5 $rowNum = 10 print =============== step2: prepare data sql create database db vgroups 2 sql use db sql create table if not exists stb (ts timestamp, tbcol int, tbcol2 float, tbcol3 double) tags (tgcol int unsigned) $i = 0 while $i < $tbNum $tb = $tbPrefix . $i sql create table $tb using stb tags( $i ) $x = 0 while $x < $rowNum $cc = $x * 60000 $ms = 1601481600000 + $cc sql insert into $tb values ($ms , $x , $x , $x ) $x = $x + 1 endw $cc = $x * 60000 $ms = 1601481600000 + $cc sql insert into $tb values ($ms , NULL , NULL , NULL ) $i = $i + 1 endw system sh/exec.sh -n dnode1 -s stop -x SIGINT system sh/exec.sh -n dnode1 -s start -v print =============== step3: tb sql select avg(tbcol) from tb1 sql select avg(tbcol) from tb1 where ts <= 1601481840000 sql select avg(tbcol) as b from tb1 sql select avg(tbcol) as b from tb1 interval(1d) sql select avg(tbcol) as b from tb1 where ts <= 1601481840000 interval(1m) sql select bottom(tbcol, 2) from tb1 where ts <= 1601481840000 sql select top(tbcol, 2) from tb1 where ts <= 1601481840000 sql select percentile(tbcol, 2) from tb1 where ts <= 1601481840000 sql select leastsquares(tbcol, 1, 1) as b from tb1 where ts <= 1601481840000 sql show table distributed tb1 sql select count(tbcol) as b from tb1 where ts <= 1601481840000 interval(1m) sql select diff(tbcol) from tb1 where ts <= 1601481840000 sql select diff(tbcol) from tb1 where tbcol > 5 and tbcol < 20 sql select first(tbcol), last(tbcol) as b from tb1 where ts <= 1601481840000 interval(1m) sql select count(tbcol), avg(tbcol), max(tbcol), min(tbcol), sum(tbcol), stddev(tbcol) from tb1 where ts <= 1601481840000 partition by tgcol interval(1m) #sql select count(tbcol), avg(tbcol), max(tbcol), min(tbcol), count(tbcol) from tb1 where ts <= 1601481840000 and ts >= 1601481800000 partition by tgcol interval(1m) fill(value, 0) sql select last_row(*) from tb1 where tbcol > 5 and tbcol < 20 print =============== step4: stb sql select avg(tbcol) as c from stb sql select avg(tbcol) as c from stb where ts <= 1601481840000 sql select avg(tbcol) as c from stb where tgcol < 5 and ts <= 1601481840000 sql select avg(tbcol) as c from stb interval(1m) sql select avg(tbcol) as c from stb interval(1d) sql select avg(tbcol) as b from stb where ts <= 1601481840000 interval(1m) sql select avg(tbcol) as c from stb group by tgcol sql select avg(tbcol) as b from stb where ts <= 1601481840000 partition by tgcol interval(1m) sql show table distributed stb sql select count(tbcol) as b from stb where ts <= 1601481840000 partition by tgcol interval(1m) sql select diff(tbcol) from stb where ts <= 1601481840000 sql select first(tbcol), last(tbcol) as c from stb group by tgcol sql select first(tbcol), last(tbcol) as b from stb where ts <= 1601481840000 and tbcol2 is null partition by tgcol interval(1m) sql select first(tbcol), last(tbcol) as b from stb where ts <= 1601481840000 partition by tgcol interval(1m) sql select count(tbcol), avg(tbcol), max(tbcol), min(tbcol), sum(tbcol), stddev(tbcol) from stb where ts <= 1601481840000 partition by tgcol interval(1m) #sql select count(tbcol), avg(tbcol), max(tbcol), min(tbcol), count(tbcol) from stb where ts <= 1601481840000 and ts >= 1601481800000 partition by tgcol interval(1m) fill(value, 0) sql select last_row(tbcol), stddev(tbcol) from stb where tbcol > 5 and tbcol < 20 group by tgcol _OVER: system sh/exec.sh -n dnode1 -s stop -x SIGINT print =============== check $null= system_content sh/checkValgrind.sh -n dnode1 print cmd return result ----> [ $system_content ] if $system_content > 0 then return -1 endi if $system_content == $null then return -1 endi