# clear env set up create database db update 1 $t0 = 1604298064000 ## Step 1 create table t1 (ts timestamp, a int); for ($i = 0; $i < 200; $i++) { insert into t1 values ($t0 + $i, 1); } restart to commit check query result for ($k = 1; $k <= 100; $k++) { for ($i = 0; $i < 200; $i++) { insert into t1 values ($t0 + $k * 200 $i, 1); } restart to commit check query result } ## Step 2 create table t2 (ts timestamp, a int); for ($i = 0; $i < 20000; $i++) { insert into t2 values ($t0 + $i, 1); } restart to commit check query result