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Diffstat (limited to 'mysql-test/t/ndb_cache2.test')
-rw-r--r-- | mysql-test/t/ndb_cache2.test | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/mysql-test/t/ndb_cache2.test b/mysql-test/t/ndb_cache2.test new file mode 100644 index 00000000000..5c1674a7021 --- /dev/null +++ b/mysql-test/t/ndb_cache2.test @@ -0,0 +1,126 @@ +-- source include/have_query_cache.inc +-- source include/have_ndb.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + + +# Turn on and reset query cache +set GLOBAL query_cache_type=on; +set GLOBAL query_cache_size=1355776; +# Turn on thread that will fetch commit count for open tables +set GLOBAL ndb_cache_check_time=5; +reset query cache; +flush status; + +# Wait for thread to wake up and start "working" +sleep 20; + +# Create test table in NDB +CREATE TABLE t1 ( pk int not null primary key, + a int, b int not null, c varchar(20)) ENGINE=ndbcluster; +insert into t1 value (1, 2, 3, 'First row'); + +# Perform one query which should be inerted in query cache +select * from t1; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; + +# Perform the same query and make sure the query cache is hit +select * from t1; +show status like "Qcache_hits"; + +# Update the table and make sure the correct data is returned +update t1 set a=3 where pk=1; +select * from t1; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; + +# Insert a new record and make sure the correct data is returned +insert into t1 value (2, 7, 8, 'Second row'); +insert into t1 value (4, 5, 6, 'Fourth row'); +select * from t1; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +select * from t1; +show status like "Qcache_hits"; + +# Perform a "new" query and make sure the query cache is not hit +select * from t1 where b=3; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_hits"; + +# Same query again... +select * from t1 where b=3; +show status like "Qcache_hits"; + +# Delete from the table +delete from t1 where c='Fourth row'; +show status like "Qcache_queries_in_cache"; +select * from t1 where b=3; +show status like "Qcache_hits"; + +# Start another connection and check that the query cache is hit +connect (con1,localhost,root,,); +connection con1; +use test; +select * from t1; +select * from t1 where b=3; +show status like "Qcache_hits"; + +# Update the table and switch to other connection +update t1 set a=4 where b=3; +connect (con2,localhost,root,,); +connection con2; +use test; +show status like "Qcache_queries_in_cache"; +select * from t1; +select * from t1; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +connection con1; +select * from t1; +select * from t1; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; + +# Use transactions and make sure the query cache is not updated until +# transaction is commited +begin; +update t1 set a=5 where pk=1; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +connection con2; +select * from t1; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +connection con1; +commit; +# Sleep to let the query cache thread update commit count +sleep 10; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +connection con2; +select * from t1; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; +connection con1; +select * from t1; +show status like "Qcache_queries_in_cache"; +show status like "Qcache_inserts"; +show status like "Qcache_hits"; + +drop table t1; + +show status like "Qcache_queries_in_cache"; + +SET GLOBAL query_cache_size=0; +SET GLOBAL ndb_cache_check_time=0; + + |