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test case for low priority updates race bug

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not yet fixed


mysql-test/r/lock.result:
  updated result
mysql-test/t/lock.test:
  test case for low prior updates bug
This commit is contained in:
unknown 2001-07-13 17:25:37 -06:00
commit 959c180b5a
2 changed files with 24 additions and 0 deletions
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2
mysql-test/r/lock.result
View file

@ -4,3 +4,5 @@ Table Op Msg_type Msg_text
test.t1 check status OK
Table Op Msg_type Msg_text
test.t2 check error Table 't2' was not locked with LOCK TABLES
n
1

22
mysql-test/t/lock.test
View file

@ -53,3 +53,25 @@ lock tables t1 write;
check table t2;
unlock tables;
drop table t1,t2;
#test to see if select will get the lock ahead of low priority update
connect (locker,localhost,root,,);
connect (reader,localhost,root,,);
connect (writer,localhost,root,,);
connection locker;
create table t1(n int);
insert into t1 values (1);
lock tables t1 write;
connection writer;
send update low_priority t1 set n = 4;
connection reader;
send select n from t1;
connection locker;
unlock tables;
connection writer;
reap;
connection reader;
reap;
drop table t1;