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-rw-r--r--mysql-test/r/grant_cache.result42
-rw-r--r--mysql-test/t/grant_cache.test12
-rw-r--r--sql/sql_cache.cc17
3 files changed, 65 insertions, 6 deletions
diff --git a/mysql-test/r/grant_cache.result b/mysql-test/r/grant_cache.result
index fca6864cc63..96eb9d2bc62 100644
--- a/mysql-test/r/grant_cache.result
+++ b/mysql-test/r/grant_cache.result
@@ -41,17 +41,53 @@ grant SELECT on mysqltest.* to mysqltest_1@localhost;
grant SELECT on mysqltest.t1 to mysqltest_2@localhost;
grant SELECT on test.t1 to mysqltest_2@localhost;
grant SELECT(a) on mysqltest.t1 to mysqltest_3@localhost;
+show status like "Qcache_queries_in_cache";
+Variable_name Value
+Qcache_queries_in_cache 6
+show status like "Qcache_hits";
+Variable_name Value
+Qcache_hits 0
+show status like "Qcache_not_cached";
+Variable_name Value
+Qcache_not_cached 0
select "user1";
user1
user1
+show status like "Qcache_queries_in_cache";
+Variable_name Value
+Qcache_queries_in_cache 6
+show status like "Qcache_hits";
+Variable_name Value
+Qcache_hits 0
+show status like "Qcache_not_cached";
+Variable_name Value
+Qcache_not_cached 1
select * from t1;
a b c
1 1 1
2 2 2
+show status like "Qcache_queries_in_cache";
+Variable_name Value
+Qcache_queries_in_cache 6
+show status like "Qcache_hits";
+Variable_name Value
+Qcache_hits 1
+show status like "Qcache_not_cached";
+Variable_name Value
+Qcache_not_cached 1
select a from t1 ;
a
1
2
+show status like "Qcache_queries_in_cache";
+Variable_name Value
+Qcache_queries_in_cache 6
+show status like "Qcache_hits";
+Variable_name Value
+Qcache_hits 2
+show status like "Qcache_not_cached";
+Variable_name Value
+Qcache_not_cached 1
select c from t1;
c
1
@@ -94,7 +130,7 @@ Variable_name Value
Qcache_hits 7
show status like "Qcache_not_cached";
Variable_name Value
-Qcache_not_cached 3
+Qcache_not_cached 2
select "user3";
user3
user3
@@ -118,7 +154,7 @@ Variable_name Value
Qcache_hits 7
show status like "Qcache_not_cached";
Variable_name Value
-Qcache_not_cached 8
+Qcache_not_cached 7
select "user4";
user4
user4
@@ -144,7 +180,7 @@ Variable_name Value
Qcache_hits 8
show status like "Qcache_not_cached";
Variable_name Value
-Qcache_not_cached 9
+Qcache_not_cached 8
delete from mysql.user where user in ("mysqltest_1","mysqltest_2","mysqltest_3");
delete from mysql.db where user in ("mysqltest_1","mysqltest_2","mysqltest_3");
delete from mysql.tables_priv where user in ("mysqltest_1","mysqltest_2","mysqltest_3");
diff --git a/mysql-test/t/grant_cache.test b/mysql-test/t/grant_cache.test
index 95989d1ee99..f85584c3875 100644
--- a/mysql-test/t/grant_cache.test
+++ b/mysql-test/t/grant_cache.test
@@ -40,10 +40,22 @@ grant SELECT(a) on mysqltest.t1 to mysqltest_3@localhost;
# The following queries should be fetched from cache
connect (user1,localhost,mysqltest_1,,mysqltest,$MASTER_MYPORT,master.sock);
connection user1;
+show status like "Qcache_queries_in_cache";
+show status like "Qcache_hits";
+show status like "Qcache_not_cached";
select "user1";
+show status like "Qcache_queries_in_cache";
+show status like "Qcache_hits";
+show status like "Qcache_not_cached";
select * from t1;
+show status like "Qcache_queries_in_cache";
+show status like "Qcache_hits";
+show status like "Qcache_not_cached";
# The pre and end space are intentional
select a from t1 ;
+show status like "Qcache_queries_in_cache";
+show status like "Qcache_hits";
+show status like "Qcache_not_cached";
select c from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_hits";
diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc
index 77bdcb79a8d..5118421464b 100644
--- a/sql/sql_cache.cc
+++ b/sql/sql_cache.cc
@@ -589,7 +589,6 @@ void query_cache_insert(NET *net, const char *packet, ulong length)
if (!query_cache.append_result_data(&result, length, (gptr) packet,
query_block))
{
- query_cache.refused++;
DBUG_PRINT("warning", ("Can't append data"));
header->result(result);
DBUG_PRINT("qcache", ("free query 0x%lx", (ulong) query_block));
@@ -845,7 +844,8 @@ void Query_cache::store_query(THD *thd, TABLE_LIST *tables_used)
}
}
else
- statistic_increment(refused, &structure_guard_mutex);
+ if (thd->lex.sql_command == SQLCOM_SELECT)
+ statistic_increment(refused, &structure_guard_mutex);
end:
DBUG_VOID_RETURN;
@@ -981,7 +981,6 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
DBUG_PRINT("qcache",
("probably no SELECT access to %s.%s => return to normal processing",
table_list.db, table_list.alias));
- refused++; // This is actually a hit
STRUCT_UNLOCK(&structure_guard_mutex);
thd->safe_to_cache_query=0; // Don't try to cache this
BLOCK_UNLOCK_RD(query_block);
@@ -1610,6 +1609,12 @@ void Query_cache::free_query(Query_cache_block *query_block)
*/
if (result_block != 0)
{
+ if (result_block->type != Query_cache_block::RESULT)
+ {
+ // removing unfinished query
+ refused++;
+ inserts--;
+ }
Query_cache_block *block = result_block;
do
{
@@ -1618,6 +1623,12 @@ void Query_cache::free_query(Query_cache_block *query_block)
free_memory_block(current);
} while (block != result_block);
}
+ else
+ {
+ // removing unfinished query
+ refused++;
+ inserts--;
+ }
query->unlock_n_destroy();
free_memory_block(query_block);