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Fix for BUG#29318 "Statements prepared with PREPARE and with one

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parameter don't use query cache"
Thanks to the fix of BUG#26842, statements prepared with SQL PREPARE
and having parameters can now use the query cache.
This commit is contained in:
guilhem@gbichot3.local
2007-06-23 19:16:51 +02:00
parent 8b8b44151c
commit fa1276e4a1
4 changed files with 212 additions and 190 deletions
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189
mysql-test/r/query_cache_ps_no_prot.result
View File

@@ -144,7 +144,7 @@ c1
1
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
Qcache_hits 15
---- switch to connection con1 ----
set @a=1;
prepare stmt4 from "select * from t1 where c1=?";
@@ -153,64 +153,38 @@ c1
1
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
Qcache_hits 16
prepare stmt4 from "select @a from t1 where c1=?";
execute stmt4 using @a;
@a
1
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 16
execute stmt4 using @a;
@a
1
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 16
---- switch to connection default ----
prepare stmt1 from "select * from t1 where c1=10";
set global query_cache_size=0;
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
Qcache_hits 16
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
Qcache_hits 16
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
---- switch to connection con1 ----
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
---- switch to connection default ----
set global query_cache_size=100000;
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 14
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 15
Qcache_hits 16
execute stmt1;
c1
10
@@ -223,42 +197,39 @@ c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 17
Qcache_hits 16
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 16
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 16
---- switch to connection default ----
set global query_cache_size=100000;
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 16
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 17
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 18
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
---- switch to connection default ----
set global query_cache_size=0;
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
---- switch to connection con1 ----
execute stmt3;
c1
@@ -271,13 +242,55 @@ c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 20
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
---- switch to connection default ----
set global query_cache_size=0;
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 21
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 21
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 21
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 21
---- switch to connection con1 ----
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 21
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 21
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 21
---- switch to connection default ----
set global query_cache_size=0;
prepare stmt1 from "select * from t1 where c1=10";
@@ -287,75 +300,75 @@ prepare stmt3 from "select * from t1 where c1=10";
set global query_cache_size=100000;
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
execute stmt1;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
---- switch to connection con1 ----
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
execute stmt3;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
---- switch to connection default ----
set global query_cache_size=0;
prepare stmt1 from "select * from t1 where c1=?";
set global query_cache_size=100000;
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
set @a=1;
execute stmt1 using @a;
c1
1
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
set @a=100;
execute stmt1 using @a;
c1
100
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
set @a=10;
execute stmt1 using @a;
c1
10
show status like 'Qcache_hits';
Variable_name Value
Qcache_hits 19
Qcache_hits 21
drop table t1;
---- disconnect connection con1 ----
set @@global.query_cache_size=@initial_query_cache_size;