system sh/stop_dnodes.sh
system sh/deploy.sh -n dnode1 -i 1

print ===== step1

system sh/exec.sh -n dnode1 -s start 
sleep 50
sql connect

print ===== step2

sql create database test  vgroups 4;
sql use test;
sql create stable st(ts timestamp,a int,b int,c int) tags(ta int,tb int,tc int);
sql create table t1 using st tags(1,1,1);
sql create table t2 using st tags(2,2,2);
sql create stream streams1 trigger at_once  into streamt1 as select  _wstart, count(*) c1, count(a) c2  from st interval(1s) ;
sql insert into t1 values(1648791211000,1,2,3);
sql insert into t1 values(1648791212000,2,2,3);

$loop_count = 0
loop0:

sleep 1000

$loop_count = $loop_count + 1
if $loop_count == 10 then
  return -1
endi

print 1 select * from streamt1;
sql select * from streamt1;

if $rows != 2 then
   print rows=$rows
   goto loop0
endi

print drop stream streams1
sql drop stream streams1;

print alter table streamt1 add column c3 double
sql alter table streamt1 add column c3 double;

print create stream streams1 trigger at_once  into streamt1 as select  _wstart, count(*) c1, count(a) c2, avg(b) c3  from st interval(1s) ;
sql create stream streams1 trigger at_once  into streamt1 as select  _wstart, count(*) c1, count(a) c2, avg(b) c3  from st interval(1s) ;

sql insert into t2 values(1648791213000,1,2,3);
sql insert into t1 values(1648791214000,1,2,3);

$loop_count = 0
loop1:

sleep 1000

$loop_count = $loop_count + 1
if $loop_count == 10 then
  return -1
endi

print 2 select * from streamt1;
sql select * from streamt1;

if $rows != 4 then
   print rows=$rows
   goto loop1
endi

print ======over

system sh/stop_dnodes.sh