1berry/MariaDB-server
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Test case for MyISAM and OPTIMIZE TABLE

Browse Source 
that requires MDL_SHARED_NO_READ_WRITE.
This commit is contained in:
Sergei Golubchik 2013-08-28 22:16:03 +02:00
parent 214c43ba96
commit 68325b6a12
2 changed files with 70 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
mysql-test/r/myisam_optimize.result Normal file
View File

@ -0,0 +1,23 @@
call mtr.add_suppression(" marked as crashed and should be repaired");
create table t1 (a int auto_increment primary key, b text);
insert t1 (b) select repeat("A", 100);
insert t1 (b) select repeat("B", 200) from t1;
insert t1 (b) select repeat("C", 300) from t1;
delete from t1 where a < 3;
explain select a, left(b,10) from t1 order by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using filesort
select left(b,10), a from t1 order by a;
left(b,10) a
CCCCCCCCCC 3
CCCCCCCCCC 4
set debug_sync='myisam_after_repair_by_sort wait_for go';
optimize table t1;
select a, left(b,10) from t1 order by a;
set debug_sync='now signal go';
Table Op Msg_type Msg_text
test.t1 optimize status OK
a left(b,10)
3 CCCCCCCCCC
4 CCCCCCCCCC
drop table t1;

47
mysql-test/t/myisam_optimize.test Normal file
View File

@ -0,0 +1,47 @@
#
# test OPTIMIZE and a concurrent SELECT of a MyISAM table
#
source include/have_debug_sync.inc;
call mtr.add_suppression(" marked as crashed and should be repaired");
create table t1 (a int auto_increment primary key, b text);
insert t1 (b) select repeat("A", 100);
insert t1 (b) select repeat("B", 200) from t1;
insert t1 (b) select repeat("C", 300) from t1;
delete from t1 where a < 3;
explain select a, left(b,10) from t1 order by a;
select left(b,10), a from t1 order by a;
set debug_sync='myisam_after_repair_by_sort wait_for go';
send optimize table t1;
connect (con1,localhost,root,,);
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state like "%myisam_after_repair_by_sort%";
--source include/wait_condition.inc
send select a, left(b,10) from t1 order by a;
connect (con2,localhost,root,,);
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for table metadata lock";
--source include/wait_condition.inc
set debug_sync='now signal go';
connection default;
reap;
connection con1;
reap;
disconnect con1;
disconnect con2;
connection default;
drop table t1;