Commit ead004f9 authored by unknown's avatar unknown
Browse files

Test for query cache in combination with NDB 


mysql-test/r/ndb_cache.result:
  Updated tests and results for ndb_cache
mysql-test/t/ndb_cache.test:
  Updated tests and results for ndb_cache
parent b5b72271

mysql-test/r/ndb_cache.result

+191 −0
Original line number Diff line number Diff line 
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

+84 −12
Original line number Diff line number Diff line 
-- 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;