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 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
#========================================== 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;