blob: f3652fc2312cadc16f7666116c3f5c81aafa068b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
--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;
|
