Merge laptop.sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1

into laptop.sanja.is.com.ua:/home/bell/mysql/bk/work-allany_aggregate-4.1
This commit is contained in:
bell@laptop.sanja.is.com.ua 2003-10-08 08:50:57 +03:00
commit 9b4018066e
4 changed files with 96 additions and 2 deletions

View File

@ -168,7 +168,7 @@ REQ_ID URL
1 X
5 X,X,X
select REQ_ID, Group_Concat(URL) as URL, Min(t1.URL_ID) urll,
Max(t1.URL_ID) urlg from t1, t2 where t2.URL_ID = t1.URL_ID group by REQ_ID;
Max(t1.URL_ID) urlg from t1, t2 where t2.URL_ID = t1.URL_ID group by REQ_ID;
REQ_ID URL urll urlg
1 X 4 4
5 X,X,X 4 5

View File

@ -709,3 +709,50 @@ Variable_name Value
Qcache_queries_in_cache 2
SET OPTION SQL_SELECT_LIMIT=DEFAULT;
drop table t1;
SET NAMES koi8r;
CREATE TABLE t1 (a char(1) character set koi8r);
INSERT INTO t1 VALUES (_koi8r'á'),(_koi8r'Á');
SELECT a,'Â','â'='Â' FROM t1;
a  'â'='Â'
á Â 1
Á Â 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 12
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
set collation_connection=koi8r_bin;
SELECT a,'Â','â'='Â' FROM t1;
a  'â'='Â'
á Â 0
Á Â 0
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 12
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 2
set character_set_client=cp1251;
SELECT a,'Â','â'='Â' FROM t1;
a ÷ '×'='÷'
á ÷ 0
Á ÷ 0
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 12
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 3
set character_set_results=cp1251;
SELECT a,'Â','â'='Â' FROM t1;
a  'â'='Â'
À Â 0
à Â 0
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 12
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 4
DROP TABLE t1;

View File

@ -94,7 +94,7 @@ t2.URL_ID = t1.URL_ID group by REQ_ID;
# check min/max function
--replace_result www.help.com X www.host.com X www.google.com X
select REQ_ID, Group_Concat(URL) as URL, Min(t1.URL_ID) urll,
Max(t1.URL_ID) urlg from t1, t2 where t2.URL_ID = t1.URL_ID group by REQ_ID;
Max(t1.URL_ID) urlg from t1, t2 where t2.URL_ID = t1.URL_ID group by REQ_ID;
drop table t1;
drop table t2;

View File

@ -487,3 +487,50 @@ select * from t1;
show status like "Qcache_queries_in_cache";
SET OPTION SQL_SELECT_LIMIT=DEFAULT;
drop table t1;
#
# Test character set related variables:
# character_set_result
# character_set_client
# charactet_set_connection/collation_connection
# If at least one of the above variables has changed,
# the cached query can't be reused. In the below test
# absolutely the same query is used several times,
# SELECT should fetch different results for every instance.
# No hits should be produced.
# New cache entry should appear for every SELECT.
#
SET NAMES koi8r;
CREATE TABLE t1 (a char(1) character set koi8r);
INSERT INTO t1 VALUES (_koi8r'á'),(_koi8r'Á');
#
# Run select
#
SELECT a,'Â','â'='Â' FROM t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# Change collation_connection and run the same query again
#
set collation_connection=koi8r_bin;
SELECT a,'Â','â'='Â' FROM t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# Now change character_set_client and run the same query again
#
set character_set_client=cp1251;
SELECT a,'Â','â'='Â' FROM t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# And finally change character_set_results and run the same query again
#
set character_set_results=cp1251;
SELECT a,'Â','â'='Â' FROM t1;
show status like "Qcache_hits";
show status like "Qcache_queries_in_cache";
#
# Keep things tidy
#
DROP TABLE t1;