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information about different variables agged to query cache (BUG#5515, BUG#5394)

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mysql-test/r/query_cache.result:
  test of QC with different variables
mysql-test/t/query_cache.test:
  test of QC with different variables
sql/mysql_priv.h:
  new information for query key calculation
sql/sql_cache.cc:
  new information for query key calculation
sql/sql_cache.h:
  removed unused definitions
This commit is contained in:
unknown
2004-09-10 16:28:18 +03:00
parent e2252a49f7
commit 32dc386d5e
5 changed files with 100 additions and 5 deletions
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56
mysql-test/r/query_cache.result
View File

@ -851,4 +851,60 @@ select @@character_set_results;
@@character_set_results
NULL
set character_set_results=default;
set GLOBAL query_cache_size=1355776;
create table t1 (id int auto_increment primary key, c char(25));
insert into t1 set c = repeat('x',24);
insert into t1 set c = concat(repeat('x',24),'x');
insert into t1 set c = concat(repeat('x',24),'w');
insert into t1 set c = concat(repeat('x',24),'y');
set max_sort_length=200;
select c from t1 order by c, id;
c
xxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxw
xxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxy
reset query cache;
set max_sort_length=20;
select c from t1 order by c, id;
c
xxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxw
xxxxxxxxxxxxxxxxxxxxxxxxy
set max_sort_length=200;
select c from t1 order by c, id;
c
xxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxw
xxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxy
set max_sort_length=default;
select '1' || '3' from t1;
'1' || '3'
1
1
1
1
set SQL_MODE=oracle;
select '1' || '3' from t1;
'1' || '3'
13
13
13
13
set SQL_MODE=default;
drop table t1;
create table t1 (a varchar(20), b int);
insert into t1 values ('12345678901234567890', 1);
set group_concat_max_len=10;
select group_concat(a) FROM t1 group by b;
group_concat(a)
1234567890
set group_concat_max_len=1024;
select group_concat(a) FROM t1 group by b;
group_concat(a)
12345678901234567890
set group_concat_max_len=default;
drop table t1;
SET GLOBAL query_cache_size=0;

34
mysql-test/t/query_cache.test
View File

@ -627,4 +627,38 @@ set character_set_results=null;
select @@character_set_results;
set character_set_results=default;
#
# query cache and environment variables
#
# max_sort_length
set GLOBAL query_cache_size=1355776;
create table t1 (id int auto_increment primary key, c char(25));
insert into t1 set c = repeat('x',24);
insert into t1 set c = concat(repeat('x',24),'x');
insert into t1 set c = concat(repeat('x',24),'w');
insert into t1 set c = concat(repeat('x',24),'y');
set max_sort_length=200;
select c from t1 order by c, id;
reset query cache;
set max_sort_length=20;
select c from t1 order by c, id;
set max_sort_length=200;
select c from t1 order by c, id;
set max_sort_length=default;
# sql_mode
select '1' || '3' from t1;
set SQL_MODE=oracle;
select '1' || '3' from t1;
set SQL_MODE=default;
drop table t1;
# group_concat_max_len
create table t1 (a varchar(20), b int);
insert into t1 values ('12345678901234567890', 1);
set group_concat_max_len=10;
select group_concat(a) FROM t1 group by b;
set group_concat_max_len=1024;
select group_concat(a) FROM t1 group by b;
set group_concat_max_len=default;
drop table t1;
SET GLOBAL query_cache_size=0;