-- source include/have_query_cache.inc
-- source include/have_ndb.inc

--disable_warnings
drop table if exists t1, t2, t3, t4, t5;
--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=100;
reset query cache;
flush status;

# Create test tables in NDB
CREATE TABLE t1 (
  pk int not null primary key,
  a1 int,
  b1 int not null,
  c1 varchar(20)
) ENGINE=ndb;
CREATE TABLE t2 (
  pk int not null primary key,
  a2 int,
  b2 int not null
) ENGINE=ndb;
CREATE TABLE t3 (
  pk int not null primary key,
  a3 int,
  b3 int not null,
  c3 int not null,
  d3 varchar(20)
) ENGINE=ndb;
CREATE TABLE t4 (
  a4 int,
  b4 int not null,
  c4 char(20)
) ENGINE=ndbcluster;
CREATE TABLE t5 (
  pk int not null primary key,
  a5 int,
  b5 int not null,
  c5 varchar(255)
) ENGINE=ndbcluster;
insert into t1 value (1, 2, 3, 'First row');
insert into t2 value (1, 2, 3);
insert into t3 value (1, 2, 3, 4, '3 - First row');
insert into t4 value (2, 3, '4 - First row');
insert into t5 value (1, 2, 3, '5 - First row');

# Perform one query which should be inserted 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 a1=3 where pk=1;
# Sleep to give Qcache thread time to detect change
--real_sleep 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');
# Sleep to give Qcache thread time to detect change
--real_sleep 1

select * from t1 order by pk desc;
show status like "Qcache_inserts";
show status like "Qcache_hits";
select * from t1 order by pk desc;
show status like "Qcache_hits";

# Perform a "new" query and make sure the query cache is not hit
select * from t1 where b1=3;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";

# Same query again...
select * from t1 where b1=3;
show status like "Qcache_hits";

# Delete from the table
delete from t1 where c1='Fourth row';
# Sleep to give Qcache thread time to detect change
--real_sleep 1
show status like "Qcache_queries_in_cache";
select * from t1 where b1=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 order by pk desc;
select * from t1 where b1=3;
show status like "Qcache_hits";

# Update the table and switch to other connection
update t1 set a1=4 where b1=3;
# Sleep to give Qcache thread time to detect change
--real_sleep 1

connect (con2,localhost,root,,);
connection con2;
use test;
show status like "Qcache_queries_in_cache";
select * from t1 order by pk desc;
select * from t1 order by pk desc;
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con1;
select * from t1 order by pk desc;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

# Load all tables into cache
select * from t2;
select * from t3;
select * from t4;
select * from t5;
show status like "Qcache_queries_in_cache";

#####################################################################
# Start transaction and perform update
# Switch to other transaction and check that update does not show up
# Switch back and commit transaction
# Switch to other transaction and check that update shows up
#####################################################################
connection con1;
flush status;
begin;
update t1 set a1=5 where pk=1;
# Sleep to give Qcache thread time to detect change
--real_sleep 1
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con2;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con1;
commit;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con2;
select * from t1 order by pk desc;
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con1;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

#####################################################################
# Start transaction and perform update
# Switch to other transaction and check that update does not show up
# Switch back, perform selects and commit transaction
# Switch to other transaction and check that update shows up
#####################################################################
connection con1;
flush status;
begin;
update t1 set a1=6 where pk=1;
# Sleep to give Qcache thread time to detect change
--real_sleep 1
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con2;
select * from t1 order by pk desc;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con1;
# The two queries below will not hit cache since transaction is ongoing
select * from t1 order by pk desc;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
commit;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con2;
select * from t1 order by pk desc;
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con1;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

#####################################################################
# Start transaction and perform insert
# Switch to other transaction and check that insert does not show up
# Switch back, perform selects and commit transaction
# Switch to other transaction and check that update shows up
#####################################################################
connection con1;
flush status;
begin;
insert into t1 set pk=5, a1=6, b1=3, c1="New row";
# Sleep to give Qcache thread time to detect change
--real_sleep 1
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con2;
select * from t1 where pk=5;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con1;
# The below four queries will not be cached, trans is ongoing
select * from t1 where pk=5;
select * from t1 where pk=5;
select * from t1 order by pk desc;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
commit;

connection con2;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

connection con1;

#####################################################################
# Start transaction and perform delete
# Switch to other transaction and check that delete does not show up
# Switch back, perform selects and commit transaction
# Switch to other transaction and check that update shows up
#####################################################################
connection con1;
flush status;
begin;
delete from t1 where pk=2;
# Sleep to give Qcache thread time to detect change
--real_sleep 1
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con2;
select * from t1 where pk=2;
select * from t1 order by pk desc;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con1;
# The below four queries will not be cached, trans is ongoing
select * from t1 where pk=2;
select * from t1 order by pk desc;
select * from t1 order by pk desc;
select * from t1 where pk=2;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
commit;

connection con2;
select * from t1 order by pk desc;
select * from t1 where pk=2;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

connection con1;

#####################################################################
# Start a transaction which updates all tables
# Switch to other transaction and check updates does not show up
# Switch back, perform selects and commit transaction
# Switch to other transaction and check that update shows up
#####################################################################
flush status;
begin;
update t1 set a1=9 where pk=1;
update t2 set a2=9 where pk=1;
update t3 set a3=9 where pk=1;
update t4 set a4=9 where a4=2;
update t5 set a5=9 where pk=1;
# Sleep to give Qcache thread time to detect change
--real_sleep 1
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con2;
select * from t1 order by pk desc;
select * from t2;
select * from t3;
select * from t4;
select * from t5;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
connection con1;
# The below five queries will not be cached, trans is ongoing
select * from t1 order by pk desc;
select * from t1 order by pk desc;
select * from t2;
select * from t3;
select * from t4;
select * from t5;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
commit;

connection con2;
select * from t1 order by pk desc;
select * from t2;
select * from t3;
select * from t4;
select * from t5;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

connection con1;
select * from t1 order by pk desc;
select * from t2;
select * from t3;
select * from t4;
select * from t5;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
select * from t1 order by pk desc;
select * from t2;
select * from t3;
select * from t4;
select * from t5;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

connection con2;
select * from t1 order by pk desc;
select * from t2;
select * from t3;
select * from t4;
select * from t5;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";

drop table t1, t2, t3, t4, t5;

# There should be no queries in cache, when tables have been dropped
show status like "Qcache_queries_in_cache";

SET GLOBAL query_cache_size=0;
SET GLOBAL ndb_cache_check_time=0;