1
connect (con1,localhost,root,,);
2
connect (con2,localhost,root,,);
6
drop table if exists t1,t2;
7
drop database if exists mysqltest;
10
create temporary table t1(n int not null primary key);
11
create table t2(n int);
12
insert into t2 values(3);
18
send replace into t1 select n from t2;
31
flush tables with read lock;
41
#test if drop database will wait until we release the global read lock
43
create database mysqltest;
44
create table mysqltest.t1(n int);
45
insert into mysqltest.t1 values (23);
46
flush tables with read lock;
48
send drop database mysqltest;
50
select * from mysqltest.t1;
55
# test if dirty close releases global read lock
57
create table t1 (n int);
58
flush tables with read lock;
61
insert into t1 values (345);
66
# Bug#9459 - deadlock with flush with lock, and lock table write
68
create table t1 (c1 int);
70
# Cannot get the global read lock with write locked tables.
72
flush tables with read lock;
74
# Can get the global read lock with read locked tables.
75
flush tables with read lock;
81
# Release all table locks and the global read lock.
83
create table t2 (c1 int);
84
create table t3 (c1 int);
85
lock table t1 read, t2 read, t3 write;
86
# Cannot get the global read lock with write locked tables.
88
flush tables with read lock;
89
lock table t1 read, t2 read, t3 read;
90
# Can get the global read lock with read locked tables.
91
flush tables with read lock;
92
# Release all table locks and the global read lock.
94
drop table t1, t2, t3;
99
# Test of deadlock problem when doing FLUSH TABLE with read lock
100
# (Bug was in NTPL threads in Linux when using different mutex while
101
# waiting for a condtion variable)
103
create table t1 (c1 int);
104
create table t2 (c1 int);
106
connect (con1,localhost,root,,);
107
connect (con3,localhost,root,,);
113
send flush tables with read lock;
117
send insert into t2 values(1);
129
# It hangs here (insert into t2 does not end).
137
# Bug#32528 Global read lock with a low priority write lock causes a server crash
141
drop table if exists t1, t2;
144
set session low_priority_updates=1;
146
create table t1 (a int);
147
create table t2 (b int);
149
lock tables t1 write;
150
--error ER_LOCK_OR_ACTIVE_TRANSACTION
151
flush tables with read lock;
154
lock tables t1 read, t2 write;
155
--error ER_LOCK_OR_ACTIVE_TRANSACTION
156
flush tables with read lock;
160
flush tables with read lock;
165
set session low_priority_updates=default;
168
# Bug #33334 mysqltest_embedded crashes when disconnecting before reap
171
connect (con1,localhost,root,,);
172
send select benchmark(200, (select sin(1))) > 1000;
176
--echo End of 5.0 tests
179
# Bug #26380: LOCK TABLES + FLUSH LOGS causes deadlock
181
set @old_general_log= @@general_log;
182
set @old_read_only= @@read_only;
183
set global general_log= on;
185
flush tables with read lock;
189
set global read_only=1;
193
flush tables with read lock;
197
set global general_log= @old_general_log;
198
set global read_only= @old_read_only;
200
--echo End of 5.1 tests