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 sleep 100 sql connect print ======================== dnode1 start $dbPrefix = nest_query $tbPrefix = nest_tb $mtPrefix = nest_mt $tbNum = 10 $rowNum = 10000 $totalNum = $tbNum * $rowNum print =============== nestquery.sim $i = 0 $db = $dbPrefix . $i $mt = $mtPrefix . $i sql drop database if exists $db sql create database if not exists $db sql use $db sql create table $mt (ts timestamp, c1 int, c2 float, c3 bigint, c4 smallint, c5 tinyint, c6 double, c7 bool, c8 binary(10), c9 nchar(9)) TAGS(t1 int) $half = $tbNum / 2 $i = 0 while $i < $half $tb = $tbPrefix . $i $nextSuffix = $i + $half $tb1 = $tbPrefix . $nextSuffix sql create table $tb using $mt tags( $i ) sql create table $tb1 using $mt tags( $nextSuffix ) $x = 0 while $x < $rowNum $y = $x * 60000 $ms = 1600099200000 + $y $c = $x / 100 $c = $c * 100 $c = $x - $c $binary = 'binary . $c $binary = $binary . ' $nchar = 'nchar . $c $nchar = $nchar . ' sql insert into $tb values ($ms , $c , $c , $c , $c , $c , $c , $c , $binary , $nchar ) $tb1 values ($ms , $c , $c , $c , $c , $c , $c , $c , $binary , $nchar ) $x = $x + 1 endw $i = $i + 1 endw sleep 100 $i = 1 $tb = $tbPrefix . $i print ==============> simple nest query test sql select count(*) from (select count(*) from nest_mt0) if $rows != 1 then return -1 endi if $data00 != 1 then return -1 endi sql select count(*) from (select count(*) from nest_mt0 group by tbname) if $rows != 1 then return -1 endi if $data00 != 10 then return -1 endi sql select count(*) from (select count(*) from nest_mt0 interval(10h) group by tbname) if $rows != 1 then return -1 endi if $data00 != 170 then return -1 endi sql select sum(a) from (select count(*) a from nest_mt0 interval(10h) group by tbname) if $rows != 1 then return -1 endi if $data00 != 100000 then return -1 endi print =================> alias name test sql select ts from (select count(*) a from nest_tb0 interval(1h)) if $rows != 167 then return -1 endi if $data00 != @20-09-15 00:00:00.000@ then return -1 endi sql select count(a) from (select count(*) a from nest_tb0 interval(1h)) if $rows != 1 then return -1 endi if $data00 != 167 then return -1 endi print ================>master query + filter sql select * from (select count(*) a from nest_tb0 interval(10h)) where a <= 520; if $rows != 2 then return -1 endi print ==================> nest query join print ===================> nest query interval print ===================> complex query system sh/exec.sh -n dnode1 -s stop -x SIGINT