drop table if exists t1, t2, t3, t4, t5; set GLOBAL query_cache_type=on; set GLOBAL query_cache_size=1355776; set GLOBAL ndb_cache_check_time=100; reset query cache; flush status; 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'); select * from t1; pk a1 b1 c1 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 a1 b1 c1 1 2 3 First row show status like "Qcache_hits"; Variable_name Value Qcache_hits 1 update t1 set a1=3 where pk=1; select * from t1; pk a1 b1 c1 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 order by pk desc; pk a1 b1 c1 4 5 6 Fourth row 2 7 8 Second 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 order by pk desc; pk a1 b1 c1 4 5 6 Fourth row 2 7 8 Second row 1 3 3 First row show status like "Qcache_hits"; Variable_name Value Qcache_hits 2 select * from t1 where b1=3; pk a1 b1 c1 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 b1=3; pk a1 b1 c1 1 3 3 First row show status like "Qcache_hits"; Variable_name Value Qcache_hits 3 delete from t1 where c1='Fourth row'; show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 0 select * from t1 where b1=3; pk a1 b1 c1 1 3 3 First row show status like "Qcache_hits"; Variable_name Value Qcache_hits 3 use test; select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 3 3 First row select * from t1 where b1=3; pk a1 b1 c1 1 3 3 First row show status like "Qcache_hits"; Variable_name Value Qcache_hits 4 update t1 set a1=4 where b1=3; use test; show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 0 select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 4 3 First row select * from t1 order by pk desc; pk a1 b1 c1 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 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 4 3 First row select * from t1 order by pk desc; pk a1 b1 c1 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 select * from t2; pk a2 b2 1 2 3 select * from t3; pk a3 b3 c3 d3 1 2 3 4 3 - First row select * from t4; a4 b4 c4 2 3 4 - First row select * from t5; pk a5 b5 c5 1 2 3 5 - First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 flush status; begin; update t1 set a1=5 where pk=1; show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 4 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 0 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 4 3 First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 1 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 commit; show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 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 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 5 3 First row show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 2 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 5 3 First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 2 show status like "Qcache_hits"; Variable_name Value Qcache_hits 1 flush status; begin; update t1 set a1=6 where pk=1; show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 4 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 0 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 5 3 First row select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 5 3 First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 1 show status like "Qcache_hits"; Variable_name Value Qcache_hits 1 select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 6 3 First row select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 6 3 First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 1 show status like "Qcache_hits"; Variable_name Value Qcache_hits 1 commit; show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 1 show status like "Qcache_hits"; Variable_name Value Qcache_hits 1 select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 6 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 select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 6 3 First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 2 show status like "Qcache_hits"; Variable_name Value Qcache_hits 2 flush status; begin; insert into t1 set pk=5, a1=6, b1=3, c1="New row"; show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 4 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 0 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 where pk=5; pk a1 b1 c1 select * from t1 order by pk desc; pk a1 b1 c1 2 7 8 Second row 1 6 3 First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 6 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 2 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 where pk=5; pk a1 b1 c1 5 6 3 New row select * from t1 where pk=5; pk a1 b1 c1 5 6 3 New row select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 2 7 8 Second row 1 6 3 First row select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 2 7 8 Second row 1 6 3 First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 6 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 2 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 commit; select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 2 7 8 Second row 1 6 3 First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 3 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 flush status; begin; delete from t1 where pk=2; show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 4 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 0 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 where pk=2; pk a1 b1 c1 2 7 8 Second row select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 2 7 8 Second row 1 6 3 First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 6 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 2 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 where pk=2; pk a1 b1 c1 select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 6 3 First row select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 6 3 First row select * from t1 where pk=2; pk a1 b1 c1 show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 6 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 2 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 commit; select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 6 3 First row select * from t1 where pk=2; pk a1 b1 c1 show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 6 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 4 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 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; 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 0 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 6 3 First row select * from t2; pk a2 b2 1 2 3 select * from t3; pk a3 b3 c3 d3 1 2 3 4 3 - First row select * from t4; a4 b4 c4 2 3 4 - First row select * from t5; pk a5 b5 c5 1 2 3 5 - First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 5 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 9 3 First row select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 9 3 First row select * from t2; pk a2 b2 1 9 3 select * from t3; pk a3 b3 c3 d3 1 9 3 4 3 - First row select * from t4; a4 b4 c4 9 3 4 - First row select * from t5; pk a5 b5 c5 1 9 3 5 - First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 5 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 commit; select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 9 3 First row select * from t2; pk a2 b2 1 9 3 select * from t3; pk a3 b3 c3 d3 1 9 3 4 3 - First row select * from t4; a4 b4 c4 9 3 4 - First row select * from t5; pk a5 b5 c5 1 9 3 5 - First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 10 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 9 3 First row select * from t2; pk a2 b2 1 9 3 select * from t3; pk a3 b3 c3 d3 1 9 3 4 3 - First row select * from t4; a4 b4 c4 9 3 4 - First row select * from t5; pk a5 b5 c5 1 9 3 5 - First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 10 show status like "Qcache_hits"; Variable_name Value Qcache_hits 5 select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 9 3 First row select * from t2; pk a2 b2 1 9 3 select * from t3; pk a3 b3 c3 d3 1 9 3 4 3 - First row select * from t4; a4 b4 c4 9 3 4 - First row select * from t5; pk a5 b5 c5 1 9 3 5 - First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 10 show status like "Qcache_hits"; Variable_name Value Qcache_hits 10 select * from t1 order by pk desc; pk a1 b1 c1 5 6 3 New row 1 9 3 First row select * from t2; pk a2 b2 1 9 3 select * from t3; pk a3 b3 c3 d3 1 9 3 4 3 - First row select * from t4; a4 b4 c4 9 3 4 - First row select * from t5; pk a5 b5 c5 1 9 3 5 - First row show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 5 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 10 show status like "Qcache_hits"; Variable_name Value Qcache_hits 15 drop table t1, t2, t3, t4, t5; show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 0 SET GLOBAL query_cache_size=0; SET GLOBAL ndb_cache_check_time=0;