system sh/stop_dnodes.sh system sh/deploy.sh -n dnode1 -i 1 system sh/cfg.sh -n dnode1 -c wallevel -v 0 system sh/exec.sh -n dnode1 -s start sleep 3000 sql connect $db = csaa_db $stb = csaastb $tb1 = csaatb1 $tb2 = csaatb2 $ts0 = 1537146000000 $delta = 600000 print ========== cached_schema_after_alter.sim sql drop database $db -x step1 step1: sql create database $db print ====== create tables sql use $db sql create table $stb (ts timestamp, c1 int) tags(t1 int) sql create table $tb1 using $stb tags( 1 ) sql create table $tb2 using $stb tags( 2 ) sql_error alter table $tb1 add column c0 int sql alter table $stb add column c2 int sql insert into $tb2 values ( $ts0 , 1, 1) sql select * from $stb if $rows != 1 then return -1 endi if $data01 != 1 then return -1 endi if $data02 != 1 then return -1 endi sql select * from $tb2 if $rows != 1 then return -1 endi if $data01 != 1 then return -1 endi if $data02 != 1 then return -1 endi print ================== restart server to commit data into disk system sh/exec.sh -n dnode1 -s stop -x SIGINT sleep 2000 system sh/exec.sh -n dnode1 -s start print ================== server restart completed sql connect sleep 3000 sql use $db sql select * from $stb if $rows != 1 then return -1 endi if $data01 != 1 then return -1 endi if $data02 != 1 then return -1 endi sql select * from $tb2 if $rows != 1 then return -1 endi if $data01 != 1 then return -1 endi if $data02 != 1 then return -1 endi $ts = $ts0 + $delta sql insert into $tb2 values ( $ts , 2, 2) sql select * from $stb order by ts asc if $rows != 2 then return -1 endi if $data01 != 1 then return -1 endi if $data02 != 1 then return -1 endi if $data11 != 2 then return -1 endi if $data12 != 2 then return -1 endi sql select * from $tb2 order by ts asc if $rows != 2 then return -1 endi if $data01 != 1 then return -1 endi if $data02 != 1 then return -1 endi if $data11 != 2 then return -1 endi if $data12 != 2 then return -1 endi system sh/exec.sh -n dnode1 -s stop -x SIGINT