# 
# MDEV-7901: re-implement analyze table for low impact
# 
create table t1 (a int, b int, c int, key IDX1(a), key IDX2(a,b)) engine=innodb;
insert into t1 select seq/10, seq/2, seq from seq_0_to_9;
SET DEBUG_SYNC='statistics_collection_start1 SIGNAL analyzing WAIT_FOR written';
analyze table t1 persistent for all;
connect  con1, localhost, root,,;
connection con1;
SET DEBUG_SYNC= 'now WAIT_FOR analyzing';
select count(*) from t1;
count(*)
10
insert into t1 values (333,333,333);
update t1 set a=1;
SET DEBUG_SYNC= 'now SIGNAL written';
connection default;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	Engine-independent statistics collected
test.t1	analyze	status	OK
select count(*) from t1;
count(*)
11
set debug_sync='RESET';
drop table t1;