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/cfg.sh -n dnode1 -c debugFlag -v 135 system sh/cfg.sh -n dnode1 -c rpcDebugFlag -v 135 system sh/cfg.sh -n dnode1 -c maxtablespervnode -v 4 system sh/exec.sh -n dnode1 -s start sleep 100 sql connect $dbPrefix = union_db $tbPrefix = union_tb $tbPrefix1 = union_tb_ $mtPrefix = union_mt $tbNum = 10 $rowNum = 10000 $totalNum = $tbNum * $rowNum print =============== union.sim $i = 0 $db = $dbPrefix . $i $mt = $mtPrefix . $i $j = 1 $mt1 = $mtPrefix . $j sql drop database if exists $db -x step1 step1: 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) $i = 0 $t = 1578203484000 $half = $tbNum / 2 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 $ms = $x * 1000 $ms = $ms * 60 $c = $x / 100 $c = $c * 100 $c = $x - $c $binary = 'binary . $c $binary = $binary . ' $nchar = 'nchar . $c $nchar = $nchar . ' $t1 = $t + $ms sql insert into $tb values ($t1 , $c , $c , $c , $c , $c , $c , $c , $binary , $nchar ) $tb1 values ($t1 , $c , $c , $c , $c , $c , $c , $c , $binary , $nchar ) $x = $x + 1 endw $i = $i + 1 endw sql create table $mt1 (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) $j = 0 $t = 1578203484000 $rowNum = 1000 $tbNum = 5 $i = 0 while $i < $tbNum $tb1 = $tbPrefix1 . $j sql create table $tb1 using $mt1 tags( $i ) $x = 0 while $x < $rowNum $ms = $x * 1000 $ms = $ms * 60 $c = $x / 100 $c = $c * 100 $c = $x - $c $binary = 'binary . $c $binary = $binary . ' $nchar = 'nchar . $c $nchar = $nchar . ' $t1 = $t + $ms sql insert into $tb1 values ($t1 , $c , $c , $c , $c , $c , $c , $c , $binary , $nchar ) $x = $x + 1 endw $i = $i + 1 $j = $j + 1 endw print sleep 1sec. sleep 100 $i = 1 $tb = $tbPrefix . $i ## column type not identical sql_error select count(*) as a from union_mt0 union all select avg(c1) as a from union_mt0 sql_error select count(*) as a from union_mt0 union all select spread(c1) as a from union_mt0; ## union not supported sql_error (select count(*) from union_mt0) union (select count(*) from union_mt0); ## column type not identical sql_error select c1 from union_mt0 limit 10 union all select c2 from union_tb1 limit 20; ## union not support recursively union sql_error select c1 from union_tb0 limit 2 union all (select c1 from union_tb1 limit 1 union all select c1 from union_tb3 limit 2); sql_error (select c1 from union_tb0 limit 1 union all select c1 from union_tb1 limit 1) union all (select c1 from union_tb0 limit 10 union all select c1 from union_tb1 limit 10); # union as subclause sql_error (select c1 from union_tb0 limit 1 union all select c1 from union_tb1 limit 1) limit 1 # sql with parenthese sql (((select c1 from union_tb0))) if $rows != 10000 then return -1 endi if $data00 != 0 then return -1 endi if $data10 != 1 then return -1 endi # mixed order sql select ts, c1 from union_tb1 order by ts asc limit 10 union all select ts, c1 from union_tb0 order by ts desc limit 2 union all select ts, c1 from union_tb2 order by ts asc limit 10 if $rows != 22 then return -1 endi if $data00 != @20-01-05 13:51:24.000@ then return -1 endi if $data01 != 0 then return -1 endi if $data10 != @20-01-05 13:52:24.000@ then return -1 endi if $data11 != 1 then return -1 endi if $data90 != @20-01-05 14:00:24.000@ then return -1 endi if $data91 != 9 then return -1 endi # different sort order # super table & normal table mixed up sql select c3 from union_tb0 limit 2 union all select sum(c1) as c3 from union_mt0; if $rows != 3 then return -1 endi if $data00 != 0 then return -1 endi if $data10 != 1 then return -1 endi if $data20 != 4950000 then return -1 endi # type compatible sql select c3 from union_tb0 limit 2 union all select sum(c1) as c3 from union_tb1; if $rows != 3 then return -1 endi if $data00 != 0 then return -1 endi if $data10 != 1 then return -1 endi if $data20 != 495000 then return -1 endi # two join subclause sql select count(*) as c from union_tb0, union_tb1 where union_tb0.ts=union_tb1.ts union all select union_tb0.c3 as c from union_tb0, union_tb1 where union_tb0.ts=union_tb1.ts limit 10 if $rows != 11 then return -1 endi if $data00 != 10000 then return -1 endi if $data10 != 0 then return -1 endi if $data20 != 1 then return -1 endi if $data90 != 8 then return -1 endi print ===========================================tags union # two super table tag union, limit is not active during retrieve tags query sql select t1 from union_mt0 union all select t1 from union_mt0 if $rows != 20 then return -1 endi if $data00 != 0 then return -1 endi if $data90 != 9 then return -1 endi #sql select t1 from union_mt0 union all select t1 from union_mt0 limit 1 #if $row != 11 then # return -1 #endi #========================================== two super table join subclause print ================two super table join subclause sql select avg(union_mt0.c1) as c from union_mt0 interval(1h) limit 10 union all select union_mt1.ts, union_mt1.c1/1.0 as c from union_mt0, union_mt1 where union_mt1.ts=union_mt0.ts and union_mt1.t1=union_mt0.t1 limit 5; print the rows value is: $rows if $rows != 15 then return -1 endi # first subclause are empty sql select count(*) as c from union_tb0 where ts > now + 3650d union all select sum(c1) as c from union_tb1; if $rows != 1 then return -1 endi if $data00 != 495000 then return -1 endi # all subclause are empty sql select c1 from union_tb0 limit 0 union all select c1 from union_tb1 where ts>'2021-1-1 0:0:0' if $rows != 0 then return -1 endi # middle subclause empty sql select c1 from union_tb0 limit 1 union all select c1 from union_tb1 where ts>'2030-1-1 0:0:0' union all select last(c1) as c1 from union_tb1; if $rows != 2 then return -1 endi if $data00 != 0 then return -1 endi if $data10 != 99 then return -1 endi # multi-vnode projection query sql (select c1 from union_mt0) union all select c1 from union_mt0; if $rows != 200000 then return -1 endi # multi-vnode projection query + limit sql (select ts, c1 from union_mt0 limit 1) union all (select ts, c1 from union_mt0 limit 1); if $rows != 2 then return -1 endi if $data00 != @20-01-05 13:51:24.000@ then return -1 endi if $data01 != 0 then return -1 endi if $data10 != @20-01-05 13:51:24.000@ then return -1 endi if $data11 != 0 then return -1 endi # two aggregated functions for super tables sql select sum(c1) as a from union_mt0 interval(1s) limit 9 union all select ts, max(c3) as a from union_mt0 limit 2; if $rows != 10 then return -1 endi if $data00 != @20-01-05 13:51:24.000@ then return -1 endi if $data01 != 0 then return -1 endi if $data10 != @20-01-05 13:52:24.000@ then return -1 endi if $data11 != 10 then return -1 endi if $data20 != @20-01-05 13:53:24.000@ then return -1 endi if $data21 != 20 then return -1 endi if $data90 != @20-01-05 15:30:24.000@ then return -1 endi if $data91 != 99 then return -1 endi #================================================================================================= # two aggregated functions for normal tables sql select sum(c1) as a from union_tb0 limit 1 union all select sum(c3) as a from union_tb1 limit 2; if $rows != 2 then return -1 endi if $data00 != 495000 then return -1 endi if $data10 != 495000 then return -1 endi # two super table query + interval + limit sql select ts, first(c3) as a from union_mt0 limit 1 union all select sum(c3) as a from union_mt0 interval(1h) limit 1; if $rows != 2 then return -1 endi if $data00 != @20-01-05 13:51:24.000@ then return -1 endi if $data01 != 0 then return -1 endi if $data10 != @20-01-05 13:00:00.000@ then return -1 endi if $data11 != 360 then return -1 endi sql select server_status() union all select server_status() if $rows != 2 then return -1 endi if $data00 != 1 then return -1 endi if $data10 != 1 then return -1 endi sql select client_version() union all select server_version() if $rows != 2 then return -1 endi sql select database() union all select database() if $rows != 2 then return -1 endi if $data00 != @union_db0@ then return -1 endi if $data10 != @union_db0@ then return -1 endi sql select 'aaa' as option from union_tb1 where c1 < 0 limit 1 union all select 'bbb' as option from union_tb0 limit 1 if $rows != 1 then return -1 endi if $data00 != @bbb@ then return -1 endi sql_error show tables union all show tables sql_error show stables union all show stables sql_error show databases union all show databases system sh/exec.sh -n dnode1 -s stop -x SIGINT