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Merge damien-katzs-computer.local:/Users/dkatz/mysql50

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into  damien-katzs-computer.local:/Users/dkatz/50_win
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dkatz@damien-katzs-computer.local
2007-06-19 18:03:47 -04:00
parent b8eee54d0b b89e4f9ef2
commit bd80d7e465
3 changed files with 92 additions and 3 deletions
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53
mysql-test/r/query_cache.result
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@@ -179,12 +179,22 @@ a
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select * from t1 where a IN (select sql_cache a from t1);
a
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select * from t1 where a IN (select a from t1 union select sql_cache a from t1);
a
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show status like "Qcache_hits";
Variable_name Value
Qcache_hits 4
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 2
Qcache_queries_in_cache 1
set query_cache_type=on;
reset query cache;
show status like "Qcache_queries_in_cache";
@@ -195,6 +205,41 @@ a
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select * from t1 union select sql_no_cache * from t1;
a
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select * from t1 where a IN (select sql_no_cache a from t1);
a
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select * from t1 where a IN (select a from t1 union select sql_no_cache a from t1);
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select sql_cache sql_no_cache * from t1;
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select sql_cache * from t1 union select sql_no_cache * from t1;
a
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select sql_cache * from t1 where a IN (select sql_no_cache a from t1);
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select sql_cache * from t1 where a IN (select a from t1 union select sql_no_cache a from t1);
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show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0
@@ -1416,3 +1461,9 @@ insert into t1 values ('c');
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drop table t1;
set GLOBAL query_cache_size= default;
set GLOBAL query_cache_size=1000000;
create table t1 (a char);
insert into t1 values ('c');
a
drop table t1;
set GLOBAL query_cache_size= default;

34
mysql-test/t/query_cache.test
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@@ -89,7 +89,11 @@ show status like "Qcache_queries_in_cache";
select sql_cache * from t1 union select * from t1;
set query_cache_type=2;
select sql_cache * from t1 union select * from t1;
# all sql_cache statements, except for the first select, are ignored.
select * from t1 union select sql_cache * from t1;
select * from t1 where a IN (select sql_cache a from t1);
select * from t1 where a IN (select a from t1 union select sql_cache a from t1);
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
set query_cache_type=on;
@@ -102,6 +106,15 @@ show status like "Qcache_queries_in_cache";
# SELECT SQL_NO_CACHE
#
select sql_no_cache * from t1;
# sql_no_cache can occur in any nested select to turn on cacheing for the whole
# expression and it will always override a sql_cache statement.
select * from t1 union select sql_no_cache * from t1;
select * from t1 where a IN (select sql_no_cache a from t1);
select * from t1 where a IN (select a from t1 union select sql_no_cache a from t1);
select sql_cache sql_no_cache * from t1;
select sql_cache * from t1 union select sql_no_cache * from t1;
select sql_cache * from t1 where a IN (select sql_no_cache a from t1);
select sql_cache * from t1 where a IN (select a from t1 union select sql_no_cache a from t1);
show status like "Qcache_queries_in_cache";
drop table t1;
#
@@ -994,4 +1007,25 @@ drop table t1;
set GLOBAL query_cache_size= default;
#
# Bug #29053 SQL_CACHE in UNION causes non-deterministic functions to be cached
#
set GLOBAL query_cache_size=1000000;
create table t1 (a char);
insert into t1 values ('c');
let $q1= `select RAND() from t1 union select sql_cache 1 from t1;`;
let $q2= `select RAND() from t1 union select sql_cache 1 from t1;`;
# disabling the logging of the query because the times are different each run.
--disable_query_log
eval select a from t1 where "$q1" = "$q2";
--enable_query_log
drop table t1;
set GLOBAL query_cache_size= default;
# End of 5.0 tests