diff options
author | unknown <monty@mysql.com> | 2004-10-20 16:24:28 +0300 |
---|---|---|
committer | unknown <monty@mysql.com> | 2004-10-20 16:24:28 +0300 |
commit | 560d7bcdd0c80551b7844b3669be503113c91ddf (patch) | |
tree | f3f6e81dac72352598beb9c21f116d2ef7f9c3ef /mysql-test/t/innodb-lock.test | |
parent | 7bdb93aa7e8b2c4d003f68635af8e1cbe757f6e6 (diff) | |
parent | ec8779e95a46b3dfff492196ad004cb2716df3c3 (diff) | |
download | mariadb-git-560d7bcdd0c80551b7844b3669be503113c91ddf.tar.gz |
Merge with 4.0
BitKeeper/etc/logging_ok:
auto-union
Docs/Support/texi2html:
Auto merged
innobase/trx/trx0rec.c:
Auto merged
libmysql/libmysql.c:
Auto merged
myisam/myisampack.c:
Auto merged
mysql-test/t/innodb-lock.test:
Auto merged
mysys/thr_lock.c:
Auto merged
sql/ha_innodb.cc:
Auto merged
sql/lock.cc:
Auto merged
sql/sql_acl.cc:
Keep old code
Diffstat (limited to 'mysql-test/t/innodb-lock.test')
-rw-r--r-- | mysql-test/t/innodb-lock.test | 57 |
1 files changed, 56 insertions, 1 deletions
diff --git a/mysql-test/t/innodb-lock.test b/mysql-test/t/innodb-lock.test index 33baec32549..2bbbac82ad5 100644 --- a/mysql-test/t/innodb-lock.test +++ b/mysql-test/t/innodb-lock.test @@ -1,5 +1,15 @@ -- source include/have_innodb.inc +# +# Check and select innodb lock type +# + +select @@innodb_table_locks; + +# +# Testing of explicit table locks with enforced table locks +# + connect (con1,localhost,root,,); connect (con2,localhost,root,,); @@ -8,9 +18,11 @@ drop table if exists t1; --enable_warnings # -# Testing of explicit table locks +# Testing of explicit table locks with enforced table locks # +set @@innodb_table_locks=1; + connection con1; create table t1 (id integer, x integer) engine=INNODB; insert into t1 values(0, 0); @@ -41,3 +53,46 @@ select * from t1; commit; drop table t1; + +# +# Try with old lock method (where LOCK TABLE is ignored by InnoDB) +# + +set @@innodb_table_locks=0; + +create table t1 (id integer primary key, x integer) engine=INNODB; +insert into t1 values(0, 0),(1,1),(2,2); +commit; +SELECT * from t1 where id = 0 FOR UPDATE; + +connection con2; +set autocommit=0; +set @@innodb_table_locks=0; + +# The following statement should work becase innodb doesn't check table locks +lock table t1 write; + +connection con1; + +# This will be locked by MySQL +--send +update t1 set x=10 where id = 2; +--sleep 2 + +connection con2; + +# Note that we will get a deadlock if we try to select any rows marked +# for update by con1 ! + +SELECT * from t1 where id = 2; +UPDATE t1 set x=3 where id = 2; +commit; +SELECT * from t1; +commit; +unlock tables; + +connection con1; +reap; +commit; +select * from t1; +drop table t1; |