# clear env set up $t0 = 1603152000000 create database db update 1 days 30; ## STEP 1: UPDATE THE LAST RECORD REPEATEDLY create table t1 (ts timestamp, a int); for ($i = 0; $i < 100; $i++) { insert into t1 values ($t0, $i); restart to commit check query result } ## STEP 2: UPDATE THE WHOLE LAST BLOCK create table t2 (ts timestamp, a int); for ($i = 0; $i < 50; $i++) { insert into t2 values ($t0 + $i, 1); } restart to commit check query result for ($i = 0; $i < 50; $i++) { insert into t2 values ($t0 + $i, 2); } check query result restart to commit check query result ## STEP 3: UPDATE PART OF THE LAST BLOCK create table t3 (ts timestamp, a int); for ($i = 0; $i < 50; $i++) { insert into t3 values ($t0 + $i, 1); } restart to commit check query result for ($i = 0; $i < 25; $i++) { insert into t3 values ($t0 + $i, 2); } check query result restart to commit check query result for ($i = 25; $i < 50; $i++) { insert into t3 values ($t0 + $i, 2); } check query result restart to commit check query result ## STEP 4: UPDATE AND INSERT APPEND AT END OF DATA create table t4 (ts timestamp, a int); for ($i = 0; $i < 50; $i++) { insert into t4 values ($t0 + $i, 1); } restart to commit check query result for ($i = 0; $i < 25; $i++) { insert into t4 values ($t0 + $i, 2); } for ($i = 50; $i < 60; $i++) { insert into t4 values ($t0 + $i, 2); } check query result restart to commit check query result ## STEP 5: UPDATE AND INSERT PREPEND SOME DATA create table t5 (ts timestamp, a int); for ($i = 0; $i < 50; $i++) { insert into t5 values ($t0 + $i, 1); } restart to commit check query result for ($i = -10; $i < 0; $i++) { insert into t4 values ($t0 + $i, 2); } for ($i = 0; $i < 25; $i++) { insert into t5 values ($t0 + $i, 2); } check query result restart to commit check query result for ($i = -10; $i < 0; $i++) { insert into t4 values ($t0 + $i, 3); } for ($i = 25; $i < 50; $i++) { insert into t5 values ($t0 + $i, 3); } check query result restart to commit check query result ## STEP 6: INSERT AHEAD A LOT OF DATA create table t6 (ts timestamp, a int); for ($i = 0; $i < 50; $i++) { insert into t6 values ($t0 + $i, 1); } restart to commit check query result for ($i = -1000; $i < 0; $i++) { insert into t6 values ($t0 + $i, 2); } check query result restart to commit check query result ## STEP 7: INSERT AHEAD A LOT AND UPDATE create table t7 (ts timestamp, a int); for ($i = 0; $i < 50; $i++) { insert into t7 values ($t0 + $i, 1); } restart to commit check query result for ($i = -1000; $i < 25; $i++) { insert into t7 values ($t0 + $i, 2); } check query result restart to commit check query result ## STEP 8: INSERT AHEAD A LOT AND UPDATE create table t8 (ts timestamp, a int); for ($i = 0; $i < 50; $i++) { insert into t8 values ($t0 + $i, 1); } restart to commit check query result for ($i = 25; $i < 6000; $i++) { insert into t8 values ($t0 + $i, 2); } check query result restart to commit check query result ## STEP 9: UPDATE ONLY MIDDLE create table t9 (ts timestamp, a int); for ($i = 0; $i < 50; $i++) { insert into t9 values ($t0 + $i, 1); } restart to commit check query result for ($i = 20; $i < 30; $i++) { insert into t9 values ($t0 + $i, 2); } check query result restart to commit check query result ## STEP 10: A LOT OF DATA COVER THE WHOLE BLOCK create table t10 (ts timestamp, a int); for ($i = 0; $i < 50; $i++) { insert into t10 values ($t0 + $i, 1); } restart to commit check query result for ($i = -4000; $i < 4000; $i++) { insert into t10 values ($t0 + $i, 2); } check query result restart to commit check query result