# query cache is local to each mysqld, so counting hits
# will not be the same when using one and several mysqld's
# hence disable test for embedded
-- source include/not_embedded.inc
-- source include/have_query_cache.inc
-- source include/have_multi_ndb.inc

--disable_warnings
drop table if exists t1, t2;
--enable_warnings


# Turn on and reset query cache on server1
connection server1;
set GLOBAL query_cache_type=on;
set GLOBAL query_cache_size=1355776;
reset query cache;
flush status;

# Turn on and reset query cache on server2
connection server2;
set GLOBAL query_cache_type=on;
set GLOBAL query_cache_size=1355776;
reset query cache;
flush status;



# Create test tables in NDB and load them into cache
# on server1
connection server1;
create table t1 (a int) engine=ndbcluster;
create table t2 (a int) engine=ndbcluster;
insert into t1 value (2);
insert into t2 value (3);
select * from t1;
select * from t2;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";


# Connect server2, load table in to cache, then update the table
connection server2;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
select * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
update t1 set a=3 where a=2;

# Connect to server1 and check that cache is invalidated 
# and correct data is returned
connection server1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
select * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

drop table t1, t2;


# Turn off query cache on server1
connection server1;
set GLOBAL query_cache_size=0;

# Turn off query cache on server2
connection server2;
set GLOBAL query_cache_size=0;