system sh/stop_dnodes.sh
system sh/deploy.sh -n dnode1 -i 1
system sh/exec.sh -n dnode1 -s start
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 binary(10), c3 nchar(10))
sql insert into tb values (now, 1, "1", "1")
sql alter table tb modify column c2 binary(20);
sql alter table tb modify column c3 nchar(20);


sql create stable stb (ts timestamp, c1 int, c2 binary(10), c3 nchar(10)) tags(id1 int, id2 binary(10), id3 nchar(10))
sql create table tb1 using stb tags(1, "a", "b")
sql insert into tb1 values (now, 1, "1", "1")
sql alter stable stb modify column c2 binary(20);
sql alter table stb modify column c2 binary(30);
sql alter stable stb modify column c3 nchar(20);
sql alter table stb modify column c3 nchar(30);
sql alter table stb modify tag id2 binary(11);
sql_error alter stable stb modify tag id2 binary(11);
sql alter table stb modify tag id3 nchar(11);
sql_error alter stable stb modify tag id3 nchar(11);

##### ILLEGAL OPERATIONS

# try dropping columns that are defined in metric
sql_error alter table tb modify column c1 binary(10);
sql_error alter table tb modify column c1 double;
sql_error alter table tb modify column c2 int;
sql_error alter table tb modify column c2 binary(10);
sql_error alter table tb modify column c2 binary(9);
sql_error alter table tb modify column c2 binary(-9);
sql_error alter table tb modify column c2 binary(0);
sql_error alter table tb modify column c2 binary(65436);
sql_error alter table tb modify column c2 nchar(30);
sql_error alter table tb modify column c3 double;
sql_error alter table tb modify column c3 nchar(10);
sql_error alter table tb modify column c3 nchar(0);
sql_error alter table tb modify column c3 nchar(-1);
sql_error alter table tb modify column c3 binary(80);
sql_error alter table tb modify column c3 nchar(17000);
sql_error alter table tb modify column c3 nchar(100), c2 binary(30);
sql_error alter table tb modify column c1 nchar(100), c2 binary(30);
sql_error alter stable tb modify column c2 binary(30);
sql_error alter table tb modify tag c2 binary(30);
sql_error alter table stb modify tag id2 binary(10);
sql_error alter table stb modify tag id2 nchar(30);
sql_error alter stable stb modify tag id2 binary(10);
sql_error alter stable stb modify tag id2 nchar(30);
sql_error alter table stb modify tag id3 nchar(10);
sql_error alter table stb modify tag id3 binary(30);
sql_error alter stable stb modify tag id3 nchar(10);
sql_error alter stable stb modify tag id3 binary(30);
sql_error alter stable stb modify tag id1 binary(30);
sql_error alter stable stb modify tag c1 binary(30);


sql_error alter table tb1 modify column c2 binary(30);
sql_error alter table tb1 modify column c3 nchar(30);
sql_error alter table tb1 modify tag id2 binary(30);
sql_error alter table tb1 modify tag id3 nchar(30);
sql_error alter stable tb1 modify tag id2 binary(30);
sql_error alter stable tb1 modify tag id3 nchar(30);
sql_error alter stable tb1 modify column c2 binary(30);


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