File: stat_tables_innodb_debug.test

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--source include/have_innodb.inc
--source include/have_sequence.inc
--source include/have_stat_tables.inc
--source include/have_debug_sync.inc
--source include/not_embedded.inc

--echo # 
--echo # MDEV-7901: re-implement analyze table for low impact
--echo # 

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';

send analyze table t1 persistent for all;
connect (con1, localhost, root,,);
--connection con1

SET DEBUG_SYNC= 'now WAIT_FOR analyzing';

select count(*) from t1;
# insert will work even with MyISAM because it allow to append file
insert into t1 values (333,333,333);
# but update now hang for MyISAM bacause can't get lock (InnoDB/XtraDB works)
update t1 set a=1;

SET DEBUG_SYNC= 'now SIGNAL written';

--connection default
--reap
select count(*) from t1;

set debug_sync='RESET';
drop table t1;