blob: 0db1424f7541018cecee96acdee0f88089044965 (
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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
source include/have_tokudb.inc;
# Tokutek
# test that read locks are not taken with serializable isolation and
# autocommit on, refs 3532
--disable_warnings
drop table if exists t;
--enable_warnings
# low lock wait timeout, to speed up the test a bit
set global tokudb_lock_timeout = 100;
set global transaction isolation level serializable;
# main client creates a table and inserts a few rows
create table t (a int primary key) engine = tokudb;
insert t values (1),(2),(3);
# now grab write locks on the entire table
begin;
select * from t for update;
# second client should be able to read the table
connect(conn1, localhost, root);
select * from t;
select * from t where a=1;
select * from t where a=2;
select * from t where a=3;
# but not write to it
--error ER_LOCK_WAIT_TIMEOUT
replace into t values (1);
--error ER_LOCK_WAIT_TIMEOUT
insert ignore t values (3);
# back to the main client, commit the transaction
connection default;
commit;
# further, if the main client has an open transaction
# reading the table, a second client should be able
# to grab write locks, since we're not supposed to
# be grabbing read locks.
connection default;
begin;
select * from t;
connection conn1;
select * from t for update;
# back to the main client, commit the transaction
connection default;
commit;
# cleanup
drop table t;
set global transaction isolation level repeatable read;
set global tokudb_lock_timeout = 4000;
|
