sql connect
sleep 3000

$i = 0
$dbPrefix = lm_cv_db
$tbPrefix = lm_cv_tb
$db = $dbPrefix . $i
$tb = $tbPrefix . $i

print =============== step1
sql create database $db
sql use $db

sql create table $tb (ts timestamp, speed int, v1 binary(100), v2 binary(100), v3 binary(100), v4 binary(100), v5 binary(100)) 
sql show tables
if $rows != 1 then 
  return -1
endi
sql insert into $tb values(now, 1, '1', '2', '3', '4', '5')
sql insert into $tb values(now+1a, 1, '1', '2', '3', '4', '5')
sql select * from $tb
if $rows != 2 then 
  return -1
endi
sql drop table $tb
sql show tables
if $rows != 0 then 
  return -1
endi

print =============== step2
sql create table  $tb (ts timestamp, speed bigint, v1 binary(1500), v2 binary(1500), v3 binary(1500), v4 binary(500), v5 binary(500)) -x step2
	return -1
step2:
sql show tables
if $rows != 0 then 
  return -1
endi

print =============== step3
sql create table $tb (ts timestamp, speed float, v1 binary(100), v2 binary(100), v3 binary(100), v4 binary(100), v5 binary(100)) 
sql show tables
if $rows != 1 then 
  return -1
endi
sql insert into $tb values(now+2a, 1, '1', '2', '3', '4', '5')
sql insert into $tb values(now+3a, 1, '1', '2', '3', '4', '5')
sql select * from $tb
if $rows != 2 then 
  return -1
endi
sql drop table $tb
sql show tables
if $rows != 0 then 
  return -1
endi

print =============== step4
sql create table  $tb (ts timestamp, speed double, v1 binary(1500), v2 binary(1500), v3 binary(1500), v4 binary(500), v5 binary(500)) -x step4
	return -1
step4:
sql show tables
if $rows != 0 then 
  return -1
endi

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