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122 lines
3.5 KiB
Text
122 lines
3.5 KiB
Text
-- source include/have_query_cache.inc
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-- source include/have_ndb.inc
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-- source include/not_embedded.inc
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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# Turn on and reset query cache
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set GLOBAL query_cache_type=on;
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set GLOBAL query_cache_size=1355776;
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reset query cache;
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flush status;
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# Create test table in NDB
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CREATE TABLE t1 ( pk int not null primary key,
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a int, b int not null, c varchar(20)) ENGINE=ndbcluster;
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insert into t1 value (1, 2, 3, 'First row');
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# Perform one query which should be inerted in query cache
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select * from t1;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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# Perform the same query and make sure the query cache is hit
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select * from t1;
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show status like "Qcache_hits";
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# Update the table and make sure the correct data is returned
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update t1 set a=3 where pk=1;
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select * from t1;
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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# Insert a new record and make sure the correct data is returned
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insert into t1 value (2, 7, 8, 'Second row');
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insert into t1 value (4, 5, 6, 'Fourth row');
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select * from t1 order by pk;
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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select * from t1 order by pk;
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show status like "Qcache_hits";
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# Perform a "new" query and make sure the query cache is not hit
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select * from t1 where b=3;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_hits";
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# Same query again...
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select * from t1 where b=3;
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show status like "Qcache_hits";
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# Delete from the table
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delete from t1 where c='Fourth row';
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show status like "Qcache_queries_in_cache";
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select * from t1 where b=3;
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show status like "Qcache_hits";
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# Start another connection and check that the query cache is hit
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connect (con1,localhost,root,,);
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connection con1;
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use test;
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select * from t1 order by pk;
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select * from t1 where b=3;
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show status like "Qcache_hits";
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# Update the table and switch to other connection
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update t1 set a=4 where b=3;
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connect (con2,localhost,root,,);
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connection con2;
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use test;
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show status like "Qcache_queries_in_cache";
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select * from t1 order by pk desc;
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select * from t1 order by pk desc;
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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connection con1;
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select * from t1 order by pk desc;
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select * from t1 order by pk desc;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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# Use transactions and make sure the query cache is not updated until
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# transaction is commited
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begin;
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update t1 set a=5 where pk=1;
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# Note!! the below test shows that table is invalidated
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# before transaction is committed
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# TODO Fix so that cache is not invalidated HERE!
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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connection con2;
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select * from t1 order by pk desc;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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connection con1;
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commit;
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# TODO Here query is invalidated once again, commit count in NDB has changed
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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connection con2;
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select * from t1 order by pk desc;
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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connection con1;
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select * from t1 order by pk desc;
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show status like "Qcache_queries_in_cache";
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show status like "Qcache_inserts";
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show status like "Qcache_hits";
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drop table t1;
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show status like "Qcache_queries_in_cache";
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SET GLOBAL query_cache_size=0;
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# End of 4.1 tests
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