-- source include/have_query_cache.inc -- source include/have_ndb.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 # bug#33158 # bug#33158 NDB table name problem(sensitive/insensitive) # Check that tables with same letters, but different case # don't conflict in query cache reset query cache; flush status; disable_query_log; if (`SELECT @@lower_case_table_names = 0`) { 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; 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; select * from T1; drop table t1,T1; } if (`SELECT @@lower_case_table_names <> 0`) { 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; CREATE TABLE tt1 ( pk int not null primary key, a int, b int not null, c varchar(20)) ENGINE=ndbcluster; insert into tt1 value (1, 2, 3, 'First row'); select * from tt1; select * from tt1; drop table t1,tt1; } enable_query_log; show status like "Qcache_hits"; SET GLOBAL query_cache_size=0;