File: lock_multi.result

package info (click to toggle)
mysql-dfsg-4.1 4.1.11a-4sarge8
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 86,724 kB
  • ctags: 78,396
  • sloc: ansic: 380,120; cpp: 348,266; sh: 32,501; tcl: 30,484; perl: 20,873; yacc: 5,447; java: 4,610; makefile: 4,406; xml: 3,857; pascal: 1,795; awk: 1,338; asm: 1,064; sed: 772; sql: 503
file content (38 lines) | stat: -rw-r--r-- 785 bytes parent folder | download
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
drop table if exists t1,t2;
create table t1(n int);
insert into t1 values (1);
lock tables t1 write;
 update low_priority t1 set n = 4;
 select n from t1;
unlock tables;
n
4
drop table t1;
create table t1(n int);
insert into t1 values (1);
lock tables t1 read;
 update low_priority t1 set n = 4;
 select n from t1;
unlock tables;
n
1
drop table t1;
create table t1 (a int, b int);
create table t2 (c int, d int);
insert into t1 values(1,1);
insert into t1 values(2,2);
insert into t2 values(1,2);
lock table t1 read;
 update t1,t2 set c=a where b=d;
select c from t2;
c
2
drop table t1;
drop table t2;
create table t1 (a int);
create table t2 (a int);
lock table t1 write, t2 write;
 insert t1 select * from t2;
drop table t2;
ERROR 42S02: Table 'test.t2' doesn't exist
drop table t1;