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	-This is mostly fixes for correct behaviour when using query cache + transactions + the thread that fetches commit count from NDB at regular intervals. The major fix is to add a list in thd_ndb, that keeps a list of NDB_SHARE's that were modified by transaction and then "clearing" them in ndbcluster_commit.
		
			
				
	
	
		
			361 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			361 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
-- source include/have_query_cache.inc
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-- source include/have_ndb.inc
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--disable_warnings
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drop table if exists t1, t2, t3, t4, t5;
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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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# Turn on thread that will fetch commit count for open tables
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set GLOBAL ndb_cache_check_time=100;
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reset query cache;
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flush status;
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# Create test tables in NDB
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CREATE TABLE t1 (
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  pk int not null primary key,
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  a1 int,
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  b1 int not null,
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  c1 varchar(20)
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) ENGINE=ndb;
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CREATE TABLE t2 (
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  pk int not null primary key,
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  a2 int,
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  b2 int not null
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) ENGINE=ndb;
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CREATE TABLE t3 (
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  pk int not null primary key,
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  a3 int,
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  b3 int not null,
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  c3 int not null,
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  d3 varchar(20)
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) ENGINE=ndb;
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CREATE TABLE t4 (
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  a4 int,
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  b4 int not null,
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  c4 char(20)
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) ENGINE=ndbcluster;
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CREATE TABLE t5 (
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  pk int not null primary key,
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  a5 int,
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  b5 int not null,
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  c5 varchar(255)
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) ENGINE=ndbcluster;
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insert into t1 value (1, 2, 3, 'First row');
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insert into t2 value (1, 2, 3);
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insert into t3 value (1, 2, 3, 4, '3 - First row');
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insert into t4 value (2, 3, '4 - First row');
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insert into t5 value (1, 2, 3, '5 - First row');
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# Perform one query which should be inserted 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 a1=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 desc;
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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 desc;
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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 b1=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 b1=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 c1='Fourth row';
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show status like "Qcache_queries_in_cache";
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select * from t1 where b1=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 desc;
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select * from t1 where b1=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 a1=4 where b1=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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# Load all tables into cache
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select * from t2;
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select * from t3;
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select * from t4;
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select * from t5;
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show status like "Qcache_queries_in_cache";
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#####################################################################
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# Start transaction and perform update
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# Switch to other transaction and check that update does not show up
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# Switch back and commit transaction
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# Switch to other transaction and check that update shows up
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#####################################################################
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connection con1;
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flush status;
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begin;
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update t1 set a1=5 where pk=1;
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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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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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#####################################################################
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# Start transaction and perform update
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# Switch to other transaction and check that update does not show up
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# Switch back, perform selects and commit transaction
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# Switch to other transaction and check that update shows up
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#####################################################################
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connection con1;
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flush status;
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begin;
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update t1 set a1=6 where pk=1;
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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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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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# The two queries below will not hit cache since transaction is ongoing
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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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commit;
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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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#####################################################################
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# Start transaction and perform insert
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# Switch to other transaction and check that insert does not show up
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# Switch back, perform selects and commit transaction
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# Switch to other transaction and check that update shows up
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#####################################################################
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connection con1;
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flush status;
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begin;
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insert into t1 set pk=5, a1=6, b1=3, c1="New row";
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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 where pk=5;
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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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# The below four queries will not be cached, trans is ongoing
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select * from t1 where pk=5;
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select * from t1 where pk=5;
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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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commit;
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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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#####################################################################
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# Start transaction and perform delete
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# Switch to other transaction and check that delete does not show up
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# Switch back, perform selects and commit transaction
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# Switch to other transaction and check that update shows up
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#####################################################################
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connection con1;
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flush status;
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begin;
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delete from t1 where pk=2;
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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 where pk=2;
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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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# The below four queries will not be cached, trans is ongoing
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select * from t1 where pk=2;
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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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select * from t1 where pk=2;
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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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commit;
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connection con2;
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select * from t1 order by pk desc;
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select * from t1 where pk=2;
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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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#####################################################################
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# Start a transaction which updates all tables
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# Switch to other transaction and check updates does not show up
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# Switch back, perform selects and commit transaction
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# Switch to other transaction and check that update shows up
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#####################################################################
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flush status;
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begin;
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update t1 set a1=9 where pk=1;
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update t2 set a2=9 where pk=1;
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update t3 set a3=9 where pk=1;
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update t4 set a4=9 where a4=2;
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update t5 set a5=9 where pk=1;
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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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select * from t2;
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select * from t3;
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select * from t4;
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select * from t5;
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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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# The below five queries will not be cached, trans is ongoing
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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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select * from t2;
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select * from t3;
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select * from t4;
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select * from t5;
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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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commit;
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connection con2;
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select * from t1 order by pk desc;
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select * from t2;
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select * from t3;
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select * from t4;
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select * from t5;
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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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select * from t1 order by pk desc;
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select * from t2;
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select * from t3;
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select * from t4;
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select * from t5;
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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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select * from t1 order by pk desc;
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select * from t2;
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select * from t3;
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select * from t4;
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select * from t5;
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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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select * from t2;
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select * from t3;
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select * from t4;
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select * from t5;
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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, t2, t3, t4, t5;
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# There should be no queries in cache, when tables have been dropped
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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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SET GLOBAL ndb_cache_check_time=0;
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