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

$dbPrefix = m_alt_db
$tbPrefix = m_alt_tb
$mtPrefix = m_alt_mt
$tbNum = 10
$rowNum = 5
$totalNum = $tbNum * $rowNum
$ts0 = 1537146000000
$delta = 600000
print ========== alter.sim
$i = 0
$db = $dbPrefix . $i
$mt = $mtPrefix . $i

sql drop database if exists $db
sql create database $db
sql use $db
##### alter table test, simeplest case
sql create table tb (ts timestamp, c1 int, c2 int, c3 int)
sql insert into tb values (now, 1, 1, 1)
sql select * from tb order by ts desc
if $rows != 1 then
  return -1
endi
sql alter table tb drop column c3
sql select * from tb order by ts desc 
if $data01 != 1 then
  return -1
endi
if $data02 != 1 then 
  return -1
endi
if $data03 != null then
  return -1
endi
sql alter table tb add column c3 nchar(4)
sql select * from tb order by ts desc
if $rows != 1 then
  return -1
endi
if $data03 != NULL then
  return -1
endi
sql insert into tb values (now, 2, 2, 'taos')
sql select * from tb order by ts desc
if $rows != 2 then
  return -1
endi
print data03 = $data03
if $data03 != taos then
  print expect taos, actual: $data03
  return -1
endi
sql drop table tb

##### alter metric test, simplest case
sql create table mt (ts timestamp, c1 int, c2 int, c3 int) tags (t1 int)
sql create table tb using mt tags(1)
sql insert into tb values (now, 1, 1, 1)
sql alter table mt drop column c3
sql select * from tb order by ts desc
if $data01 != 1 then 
  return -1
endi
if $data02 != 1 then 
  return -1
endi
if $data03 != null then
  return -1
endi

sql alter table mt add column c3 nchar(4)
sql select * from tb order by ts desc
if $data03 != NULL then
  return -1
endi
sql insert into tb values (now, 2, 2, 'taos')
sql select * from tb order by ts desc
if $rows != 2 then
  return -1
endi
if $data03 != taos then
  return -1
endi
if $data13 != NULL then
  return -1
endi
sql drop table tb
sql drop table mt

## [TBASE272]
sql create table tb (ts timestamp, c1 int, c2 int, c3 int)
sql insert into tb values (now, 1, 1, 1)
sql alter table tb drop column c3
sql alter table tb add column c3 nchar(5)
sql insert into tb values(now, 2, 2, 'taos')
sql drop table tb
sql create table mt (ts timestamp, c1 int, c2 int, c3 int) tags (t1 int)
sql create table tb using mt tags(1)
sql insert into tb values (now, 1, 1, 1)
sql alter table mt drop column c3
sql select * from tb order by ts desc
if $rows != 1 then
  return -1
endi
sql drop table tb
sql drop table mt

sleep 100
### ALTER TABLE WHILE STREAMING [TBASE271]
#sql create table tb1 (ts timestamp, c1 int, c2 nchar(5), c3 int)
#sql create table strm as select count(*), avg(c1), first(c2), sum(c3) from tb1 interval(2s)
#sql select * from strm
#if $rows != 0 then
#  return -1
#endi
##sleep 12000
#sql insert into tb1 values (now, 1, 'taos', 1)
#sleep 20000
#sql select * from strm
#print rows = $rows
#if $rows != 1 then
#  return -1
#endi
#if $data04 != 1 then
#  return -1
#endi
#sql alter table tb1 drop column c3
#sleep 500
#sql insert into tb1 values (now, 2, 'taos')
#sleep 30000
#sql select * from strm
#if $rows != 2 then
#   return -1
#endi
#if $data04 != 1 then
#  return -1
#endi
#sql alter table tb1 add column c3 int
#sleep 500
#sql insert into tb1 values (now, 3, 'taos', 3);
#sleep 100
#sql select * from strm
#if $rows != 3 then
#   return -1
#endi
#if $data04 != 1 then
#  return -1
#endi

## ALTER TABLE AND INSERT BY COLUMNS
sql create table mt (ts timestamp, c1 int, c2 int) tags(t1 int)
sql create table tb using mt tags(0)
sql insert into tb values (now-1m, 1, 1)
sql alter table mt drop column c2
sql_error insert into tb (ts, c1, c2) values (now, 2, 2)
sql insert into tb (ts, c1) values (now, 2)
sql select * from tb order by ts desc
if $rows != 2 then
  return -1
endi
if $data01 != 2 then
  return -1
endi
if $data02 != null then
  return -1
endi
sql alter table mt add column c2 int
sql insert into tb (ts, c2) values (now, 3)
sql select * from tb order by ts desc 
if $data02 != 3 then
  return -1
endi

## ALTER TABLE AND IMPORT
sql drop database $db
sql create database $db
sql use $db
sql create table mt (ts timestamp, c1 int, c2 nchar(7), c3 int) tags (t1 int)
sql create table tb using mt tags(1)
sleep 100
sql insert into tb values ('2018-11-01 16:30:00.000', 1, 'insert', 1)
sql alter table mt drop column c3

sql insert into tb values ('2018-11-01 16:29:59.000', 1, 'insert')
sql import into tb values ('2018-11-01 16:29:59.000', 1, 'import')
sql select * from tb order by ts desc
if $data01 != 1 then
  return -1
endi
if $data02 != insert then
  return -1
endi
sql alter table mt add column c3 nchar(4)
sql select * from tb order by ts desc 
if $data03 != NULL then
  return -1
endi

sql reset query cache
sql insert into tb values ('2018-11-01 16:29:58.000', 2, 'import', 3)
sql import into tb values ('2018-11-01 16:29:58.000', 2, 'import', 3)
sql import into tb values ('2018-11-01 16:39:58.000', 2, 'import', 3)
sql select * from tb order by ts desc 
if $rows != 4 then
  return -1
endi
if $data03 != 3 then
  return -1
endi

##### ILLEGAL OPERATIONS

# try dropping columns that are defined in metric
sql_error alter table tb drop column c1;

# try dropping primary key
sql_error alter table mt drop column ts;

# try modifying two columns in a single statement
sql_error alter table mt add column c5 nchar(3) c6 nchar(4)

# duplicate columns
sql_error alter table mt add column c1 int

# drop non-existing columns
sql_error alter table mt drop column c9

sql drop database $db
sql show databases
if $rows != 0 then 
  return -1
endi

system sh/exec.sh -n dnode1 -s stop -x SIGINT