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Bug #13231 mysqltest: fails to dectect when mysql_next_result fails

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- Packets out of order when reading cached data stored by a normal select from a ps or vice versa.
 - Add pkt_nr to query cache flags
This commit is contained in:
msvensson@neptunus.(none) 2005-09-29 10:25:44 +02:00
parent 0581a7f23c
commit 9b7a3bec70
4 changed files with 213 additions and 22 deletions
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184
mysql-test/r/query_cache.result
View File

@ -1057,42 +1057,64 @@ create table t1 (s1 int)//
create procedure f1 () begin
select sql_cache * from t1;
select sql_cache * from t1;
select sql_cache * from t1;
end;//
create procedure f2 () begin
select sql_cache * from t1 where s1=1;
select sql_cache * from t1;
end;//
create procedure f3 () begin
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
end;//
create procedure f4 () begin
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
select sql_cache * from t1 where s1=1;
end;//
call f1();
s1
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
call f1();
s1
s1
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
Qcache_queries_in_cache 3
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
Qcache_inserts 3
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
call f1();
s1
s1
s1
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 3
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 3
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 3
call f1();
s1
s1
s1
select sql_cache * from t1;
s1
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 2
Qcache_queries_in_cache 4
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 2
Qcache_inserts 4
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 5
Qcache_hits 6
insert into t1 values (1);
select sql_cache * from t1;
s1
@ -1102,28 +1124,150 @@ Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 3
Qcache_inserts 5
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 5
Qcache_hits 6
call f1();
s1
1
s1
1
s1
1
call f1();
s1
1
s1
1
s1
1
select sql_cache * from t1;
s1
1
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 2
Qcache_queries_in_cache 4
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 4
Qcache_inserts 8
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 9
Qcache_hits 10
flush query cache;
reset query cache;
flush status;
select sql_cache * from t1;
s1
1
select sql_cache * from t1 where s1=1;
s1
1
call f1();
s1
1
s1
1
s1
1
call f2();
s1
1
s1
1
call f3();
s1
1
s1
1
call f4();
s1
1
s1
1
s1
1
s1
1
s1
1
call f4();
s1
1
s1
1
s1
1
s1
1
s1
1
call f3();
s1
1
s1
1
call f2();
s1
1
s1
1
select sql_cache * from t1 where s1=1;
s1
1
insert into t1 values (2);
call f1();
s1
1
2
s1
1
2
s1
1
2
select sql_cache * from t1 where s1=1;
s1
1
select sql_cache * from t1;
s1
1
2
call f1();
s1
1
2
s1
1
2
s1
1
2
call f3();
s1
1
2
s1
1
call f3();
s1
1
2
s1
1
call f1();
s1
1
2
s1
1
2
s1
1
2
drop procedure f1;
drop procedure f2;
drop procedure f3;
drop procedure f4;
drop table t1;
set GLOBAL query_cache_size=0;

42
mysql-test/t/query_cache.test
View File

@ -776,6 +776,7 @@ delimiter ;//
#
# query in QC from normal execution and SP (BUG#6897)
# improved to also test BUG#3583 and BUG#12990
#
flush query cache;
reset query cache;
@ -785,6 +786,22 @@ create table t1 (s1 int)//
create procedure f1 () begin
select sql_cache * from t1;
select sql_cache * from t1;
select sql_cache * from t1;
end;//
create procedure f2 () begin
select sql_cache * from t1 where s1=1;
select sql_cache * from t1;
end;//
create procedure f3 () begin
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
end;//
create procedure f4 () begin
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
select sql_cache * from t1 where s1=1;
end;//
delimiter ;//
call f1();
@ -811,7 +828,32 @@ select sql_cache * from t1;
show status like "Qcache_queries_in_cache";
show status like "Qcache_inserts";
show status like "Qcache_hits";
flush query cache;
reset query cache;
flush status;
select sql_cache * from t1;
select sql_cache * from t1 where s1=1;
call f1();
call f2();
call f3();
call f4();
call f4();
call f3();
call f2();
select sql_cache * from t1 where s1=1;
insert into t1 values (2);
call f1();
select sql_cache * from t1 where s1=1;
select sql_cache * from t1;
call f1();
call f3();
call f3();
call f1();
drop procedure f1;
drop procedure f2;
drop procedure f3;
drop procedure f4;
drop table t1;
set GLOBAL query_cache_size=0;

1
sql/mysql_priv.h
View File

@ -537,6 +537,7 @@ struct Query_cache_query_flags
unsigned int client_long_flag:1;
unsigned int client_protocol_41:1;
unsigned int more_results_exists:1;
unsigned int pkt_nr;
uint character_set_client_num;
uint character_set_results_num;
uint collation_connection_num;

8
sql/sql_cache.cc
View File

@ -801,6 +801,7 @@ void Query_cache::store_query(THD *thd, TABLE_LIST *tables_used)
CLIENT_PROTOCOL_41);
flags.more_results_exists= test(thd->server_status &
SERVER_MORE_RESULTS_EXISTS);
flags.pkt_nr= net->pkt_nr;
flags.character_set_client_num=
thd->variables.character_set_client->number;
flags.character_set_results_num=
@ -814,12 +815,13 @@ void Query_cache::store_query(THD *thd, TABLE_LIST *tables_used)
flags.sql_mode= thd->variables.sql_mode;
flags.max_sort_length= thd->variables.max_sort_length;
flags.group_concat_max_len= thd->variables.group_concat_max_len;
DBUG_PRINT("qcache", ("long %d, 4.1: %d, more results %d, \
DBUG_PRINT("qcache", ("long %d, 4.1: %d, more results %d, pkt_nr: %d, \
CS client: %u, CS result: %u, CS conn: %u, limit: %lu, TZ: 0x%lx, \
sql mode: 0x%lx, sort len: %lu, conncat len: %lu",
(int)flags.client_long_flag,
(int)flags.client_protocol_41,
(int)flags.more_results_exists,
flags.pkt_nr,
flags.character_set_client_num,
flags.character_set_results_num,
flags.collation_connection_num,
@ -1019,6 +1021,7 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
CLIENT_PROTOCOL_41);
flags.more_results_exists= test(thd->server_status &
SERVER_MORE_RESULTS_EXISTS);
flags.pkt_nr= thd->net.pkt_nr;
flags.character_set_client_num= thd->variables.character_set_client->number;
flags.character_set_results_num=
(thd->variables.character_set_results ?
@ -1030,12 +1033,13 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
flags.sql_mode= thd->variables.sql_mode;
flags.max_sort_length= thd->variables.max_sort_length;
flags.group_concat_max_len= thd->variables.group_concat_max_len;
DBUG_PRINT("qcache", ("long %d, 4.1: %d, more results %d, \
DBUG_PRINT("qcache", ("long %d, 4.1: %d, more results %d, pkt_nr: %d, \
CS client: %u, CS result: %u, CS conn: %u, limit: %lu, TZ: 0x%lx, \
sql mode: 0x%lx, sort len: %lu, conncat len: %lu",
(int)flags.client_long_flag,
(int)flags.client_protocol_41,
(int)flags.more_results_exists,
flags.pkt_nr,
flags.character_set_client_num,
flags.character_set_results_num,
flags.collation_connection_num,