sql connect sleep 2000 sql show databases sql drop database $data00 -x e1 e1: sql show databases sql drop database $data00 -x e2 e2: $i = 0 $dbPrefix = lm_cm_db $tbPrefix = lm_cm_tb $db = $dbPrefix . $i $tb = $tbPrefix . $i print =============== step1 sql create database $db sql use $db sql drop table dd -x step0 return -1 step0: sql create table $tb(ts timestamp, int) -x step1 return -1 step1: sql show tables if $rows != 0 then return -1 endi print =============== step2 sql create table $tb (ts timestamp, s int) sql show tables if $rows != 1 then return -1 endi sql drop table $tb sql show tables if $rows != 0 then return -1 endi print =============== step3 sql create table $tb (ts timestamp, a0123456789 int) sql show tables if $rows != 1 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, a0123456789012345678901234567890123456789 int) sql drop table $tb sql show tables if $rows != 0 then return -1 endi print =============== step5 sql create table $tb (ts timestamp, a0123456789 int) sql show tables if $rows != 1 then return -1 endi sql insert into $tb values (now , 1) sql select * from $tb if $rows != 1 then return -1 endi sql drop database $db sql show databases if $rows != 0 then return -1 endi