-- source include/have_query_cache.inc
-- source include/have_ndb.inc
-- source include/not_embedded.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;
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 order by pk;
show status like "Qcache_inserts";
show status like "Qcache_hits";
select * from t1 order by pk;
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 order by pk;
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 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";

# 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 order by pk desc;
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 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";

drop table t1;

show status like "Qcache_queries_in_cache";

# End of 4.1 tests

# Bug#39295 cluster table with TEXT column cannot be cached in query cache
# Disk table scans and Ordered index scans with locks were resulting
# in the table's commit_count being incremented, making the query cache
# ineffective 

reset query cache;
flush status;

create table t1 (a int primary key,
                 b text,
                 c int,
                 key(c))
                 engine=ndb;

insert into t1 values (1,'Alexandra', 1), (2,'Palace', 2);

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

# Normal, ACC sourced scan #1, should insert in cache
select * from t1 order by a;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

# Normal, ACC sourced scan #2, should hit in cache
select * from t1 order by a;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

# TUX sourced scan #1, should insert in cache
select * from t1 force index(c) where c < 2 order by c;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

# TUX sourced scan #2, should hit in cache
select * from t1 force index(c) where c < 2 order by c;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

drop table t1;


# Now test with TUP-sourced scan with DD
CREATE LOGFILE GROUP lfg
ADD UNDOFILE 'myundo.log'
INITIAL_SIZE 16M
UNDO_BUFFER_SIZE = 1M
ENGINE=NDB;

CREATE TABLESPACE tbsp
ADD DATAFILE 'mydatafile.fil'
USE LOGFILE GROUP lfg
INITIAL_SIZE 12M
ENGINE=NDB;

create table t1 (a int primary key,
                 b text,
                 c int,
                 key(c))
                 storage disk tablespace tbsp engine ndb;

insert into t1 values (1,'Alexandra', 1), (2,'Palace', 2);

reset query cache;
flush status;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

# Normal, TUP sourced scan #1, should insert in cache
select * from t1 order by a;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

# Normal, TUP sourced scan #2, should hit in cache
select * from t1 order by a;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

# TUX sourced scan #1 should insert in cache
select * from t1 force index (c) where c < 2 order by c;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

# TUX sourced scan #2 should hit in cache
select * from t1 force index (c) where c < 2 order by c;

show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
show status like "Qcache_not_cached";

drop table t1;
alter tablespace tbsp drop datafile 'mydatafile.fil' engine ndb;
drop tablespace tbsp engine ndb;
drop logfile group lfg engine ndb;

# end of tests for bug#39395

SET GLOBAL query_cache_size=0;


