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fixed MySQL bug#53775:

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Now partition engine adds underlying tables to the QC and ask underlying tables engine permittion to cache the query and return result of the query.

Incorrect QC cleanup in case of table registration failure fixe.

Unified interface for myisammrg & partitioned engnes for QC.
This commit is contained in:
unknown
2012-07-13 22:17:32 +03:00
parent 718bbcbfd0
commit 9f6a1c5842
13 changed files with 739 additions and 93 deletions
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18
mysql-test/r/partition_cache.result
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@@ -27,7 +27,7 @@ a
3
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
Qcache_queries_in_cache 1
drop table t1;
commit;
create table t1 (a int not null) PARTITION BY KEY (a) PARTITIONS 3;
@@ -50,7 +50,7 @@ a
2
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
Qcache_queries_in_cache 3
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
@@ -69,7 +69,7 @@ a
2
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
Qcache_queries_in_cache 6
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
@@ -93,14 +93,14 @@ a
2
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
Qcache_queries_in_cache 2
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
Qcache_hits 1
commit;
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
Qcache_queries_in_cache 2
drop table t3,t2,t1;
CREATE TABLE t1 (id int(11) NOT NULL auto_increment, PRIMARY KEY (id)) PARTITION BY HASH (id) PARTITIONS 3;
select count(*) from t1;
@@ -164,7 +164,7 @@ count(*)
2
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
Qcache_queries_in_cache 1
connection connection1
SELECT sql_cache count(*) FROM t2 WHERE s2 = 'w';
count(*)
@@ -197,9 +197,9 @@ count(*)
2
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
Qcache_queries_in_cache 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
Qcache_hits 1
set @@global.query_cache_size = @save_query_cache_size;
drop table t2;