drop table if exists t1;
set global innodb_stats_persistent = false;
CREATE TABLE t1 (a int not null primary key) engine=InnoDB;
set global innodb_limit_optimistic_insert_debug = 2;
insert into t1 values (1);
insert into t1 values (5);
insert into t1 values (4);
insert into t1 values (3);
insert into t1 values (2);
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
select CLUST_INDEX_SIZE from information_schema.INNODB_SYS_TABLESTATS where NAME = 'test/t1';
CLUST_INDEX_SIZE
10
delete from t1 where a=4;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
select CLUST_INDEX_SIZE from information_schema.INNODB_SYS_TABLESTATS where NAME = 'test/t1';
CLUST_INDEX_SIZE
8
delete from t1 where a=5;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
select CLUST_INDEX_SIZE from information_schema.INNODB_SYS_TABLESTATS where NAME = 'test/t1';
CLUST_INDEX_SIZE
5
set global innodb_limit_optimistic_insert_debug = 0;
delete from t1 where a=2;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
select CLUST_INDEX_SIZE from information_schema.INNODB_SYS_TABLESTATS where NAME = 'test/t1';
CLUST_INDEX_SIZE
3
insert into t1 values (2);
delete from t1 where a=2;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
select CLUST_INDEX_SIZE from information_schema.INNODB_SYS_TABLESTATS where NAME = 'test/t1';
CLUST_INDEX_SIZE
2
insert into t1 values (2);
delete from t1 where a=2;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
analyze table t1;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	OK
select CLUST_INDEX_SIZE from information_schema.INNODB_SYS_TABLESTATS where NAME = 'test/t1';
CLUST_INDEX_SIZE
1
drop table t1;
