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Last part of fix for BUG#7998 "Replication should be more clever about when to replicate RELEASE_LOCK()" + fixes after merge

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guilhem@mysql.com
2005-03-02 17:52:38 +01:00
parent d1f089b3d7
commit 7110f21c39
9 changed files with 49 additions and 57 deletions
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23
mysql-test/t/rpl000001.test
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@@ -39,7 +39,13 @@ save_master_pos;
connection slave;
sync_with_master;
#test handling of aborted connection in the middle of update
# Test if the slave SQL thread can be more than 16K behind the slave
# I/O thread (> IO_SIZE)
connection master;
# we'll use table-level locking to delay slave SQL thread
create table t1 (n int) engine=myisam;
sync_slave_with_master;
connection master;
reset master;
connection slave;
@@ -47,29 +53,26 @@ stop slave;
reset slave;
connection master;
create table t1(n int);
#we want the log to exceed 16K to test deal with the log that is bigger than
#IO_SIZE
let $1=5000;
# Generate 16K of relay log
disable_query_log;
while ($1)
{
eval insert into t1 values($1+get_lock("hold_slave",10)*0);
eval insert into t1 values($1);
dec $1;
}
enable_query_log;
# Try to cause a large relay log lag on the slave
# Try to cause a large relay log lag on the slave by locking t1
connection slave;
select get_lock("hold_slave",10);
explain extended select get_lock("hold_slave",10);
lock tables t1 read;
start slave;
#hope this is long enough for I/O thread to fetch over 16K relay log data
sleep 3;
select release_lock("hold_slave");
explain extended select release_lock("hold_slave");
unlock tables;
#test handling of aborted connection in the middle of update
connection master;
create table t2(id int);
insert into t2 values(connection_id());