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Commit fcd69f00 authored by magnus@neptunus.(none)'s avatar magnus@neptunus.(none)
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Test for query cache in combination with NDB

parent 53f5cffb
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mysql-test/r/ndb_cache.result
View file @ fcd69f00
drop table if exists t1;
set GLOBAL query_cache_type=on;
set GLOBAL query_cache_size=1355776;
reset query cache;
flush status;
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');
select * from t1;
pk a b c
1 2 3 First row
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
select * from t1;
pk a b c
1 2 3 First row
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
update t1 set a=3 where pk=1;
select * from t1;
pk a b c
1 3 3 First row
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 2
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
insert into t1 value (2, 7, 8, 'Second row');
insert into t1 value (4, 5, 6, 'Fourth row');
select * from t1;
pk a b c
2 7 8 Second row
4 5 6 Fourth row
1 3 3 First row
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 3
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
select * from t1;
pk a b c
2 7 8 Second row
4 5 6 Fourth row
1 3 3 First row
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 2
select * from t1 where b=3;
pk a b c
1 3 3 First row
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 2
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 2
select * from t1 where b=3;
pk a b c
1 3 3 First row
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 3
delete from t1 where c='Fourth row';
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
select * from t1 where b=3;
pk a b c
1 3 3 First row
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 3
use test;
select * from t1;
pk a b c
2 7 8 Second row
1 3 3 First row
select * from t1 where b=3;
pk a b c
1 3 3 First row
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 4
update t1 set a=4 where b=3;
use test;
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
select * from t1;
pk a b c
2 7 8 Second row
1 4 3 First row
select * from t1;
pk a b c
2 7 8 Second row
1 4 3 First row
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 7
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 5
select * from t1;
pk a b c
2 7 8 Second row
1 4 3 First row
select * from t1;
pk a b c
2 7 8 Second row
1 4 3 First row
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 7
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 7
begin;
update t1 set a=5 where pk=1;
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 7
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 7
select * from t1;
pk a b c
2 7 8 Second row
1 4 3 First row
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 8
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 7
commit;
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 8
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 7
select * from t1;
pk a b c
2 7 8 Second row
1 5 3 First row
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 9
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 7
select * from t1;
pk a b c
2 7 8 Second row
1 5 3 First row
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 9
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 8
drop table t1;
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
SET GLOBAL query_cache_size=0;
mysql-test/t/ndb_cache.test
View file @ fcd69f00
-- source include/have_query_cache.inc
-- source include/have_ndb.inc
set GLOBAL ndb_query_cache_type=on;
# following line have to be removed when ndb_query_cache_type will made
# global only
set ndb_query_cache_type=on;
set GLOBAL query_cache_size=1355776;
reset query cache;
flush status;
--disable_warnings
drop table if exists t1;
--enable_warnings
CREATE TABLE t1 (a int) ENGINE=ndbcluster;
insert into t1 value (2);
# Turn on and reset query cache
set GLOBAL query_cache_type=on;
set GLOBAL query_cache_size=1355776;
reset query cache;
flush status;
# 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;
set autocommit=0;
update t1 set a=3;
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_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con1;
......@@ -36,14 +80,42 @@ 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;
# Note!! the below test shows that table is invalidated
# before transaction is committed
# TODO Fix so that cache is not invalidated HERE!
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;
# TODO Here query is invalidated once again, commit count in NDB has changed
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;
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