database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Merge moonlight.intranet:/home/tomash/src/mysql_ab/mysql-4.1-runtime

Browse Source 
into  moonlight.intranet:/home/tomash/src/mysql_ab/mysql-4.1-bug23159
This commit is contained in:
unknown
2006-11-21 17:37:25 +03:00
parent 07a6c29399 7a45fb546f
commit 75432f3fb7
4 changed files with 79 additions and 95 deletions
Download Patch File Download Diff File Expand all files Collapse all files

101
mysql-test/r/ps.result
View File

@ -775,12 +775,12 @@ set @old_max_prepared_stmt_count= @@max_prepared_stmt_count;
show variables like 'max_prepared_stmt_count';
Variable_name Value
max_prepared_stmt_count 16382
show variables like 'prepared_stmt_count';
show status like 'prepared_stmt_count';
Variable_name Value
prepared_stmt_count 0
select @@max_prepared_stmt_count, @@prepared_stmt_count;
@@max_prepared_stmt_count @@prepared_stmt_count
16382 0
Prepared_stmt_count 0
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
16382
set global max_prepared_stmt_count=-1;
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
@ -799,67 +799,70 @@ set max_prepared_stmt_count=1;
ERROR HY000: Variable 'max_prepared_stmt_count' is a GLOBAL variable and should be set with SET GLOBAL
set local max_prepared_stmt_count=1;
ERROR HY000: Variable 'max_prepared_stmt_count' is a GLOBAL variable and should be set with SET GLOBAL
set local prepared_stmt_count=0;
ERROR HY000: Variable 'prepared_stmt_count' is a GLOBAL variable and should be set with SET GLOBAL
set @@prepared_stmt_count=0;
ERROR HY000: Variable 'prepared_stmt_count' is a GLOBAL variable and should be set with SET GLOBAL
set global prepared_stmt_count=1;
ERROR 42000: Incorrect argument type to variable 'prepared_stmt_count'
set global max_prepared_stmt_count=1;
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
1
set global max_prepared_stmt_count=0;
select @@max_prepared_stmt_count, @@prepared_stmt_count;
@@max_prepared_stmt_count @@prepared_stmt_count
0 0
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
0
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
prepare stmt from "select 1";
ERROR HY000: Unknown error
select @@prepared_stmt_count;
@@prepared_stmt_count
0
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
set global max_prepared_stmt_count=1;
prepare stmt from "select 1";
select @@prepared_stmt_count;
@@prepared_stmt_count
1
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
prepare stmt1 from "select 1";
ERROR HY000: Unknown error
select @@prepared_stmt_count;
@@prepared_stmt_count
1
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
deallocate prepare stmt;
select @@prepared_stmt_count;
@@prepared_stmt_count
0
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
prepare stmt from "select 1";
select @@prepared_stmt_count;
@@prepared_stmt_count
1
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
prepare stmt from "select 2";
select @@prepared_stmt_count;
@@prepared_stmt_count
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
1
select @@prepared_stmt_count, @@max_prepared_stmt_count;
@@prepared_stmt_count @@max_prepared_stmt_count
1 1
set global max_prepared_stmt_count=0;
prepare stmt from "select 1";
ERROR HY000: Unknown error
execute stmt;
ERROR HY000: Unknown prepared statement handler (stmt) given to EXECUTE
select @@prepared_stmt_count;
@@prepared_stmt_count
0
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
prepare stmt from "select 1";
ERROR HY000: Unknown error
select @@prepared_stmt_count;
@@prepared_stmt_count
0
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
set global max_prepared_stmt_count=3;
select @@max_prepared_stmt_count, @@prepared_stmt_count;
@@max_prepared_stmt_count @@prepared_stmt_count
3 0
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
3
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
prepare stmt from "select 1";
prepare stmt from "select 2";
prepare stmt1 from "select 3";
@ -867,13 +870,13 @@ prepare stmt2 from "select 4";
ERROR HY000: Unknown error
prepare stmt2 from "select 4";
ERROR HY000: Unknown error
select @@max_prepared_stmt_count, @@prepared_stmt_count;
@@max_prepared_stmt_count @@prepared_stmt_count
3 3
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
3
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 3
deallocate prepare stmt;
select @@max_prepared_stmt_count, @@prepared_stmt_count;
@@max_prepared_stmt_count @@prepared_stmt_count
3 0
set global max_prepared_stmt_count= @old_max_prepared_stmt_count;
drop table if exists t1;
create temporary table if not exists t1 (a1 int);

57
mysql-test/t/ps.test
View File

@ -811,6 +811,9 @@ drop table t1;
# Bug#16365 Prepared Statements: DoS with too many open statements
# Check that the limit @@max_prpeared_stmt_count works.
#
# This is also the test for bug#23159 prepared_stmt_count should be
# status variable.
#
# Save the old value
set @old_max_prepared_stmt_count= @@max_prepared_stmt_count;
#
@ -820,17 +823,17 @@ set @old_max_prepared_stmt_count= @@max_prepared_stmt_count;
#
--disable_ps_protocol
#
# A. Check that the new variables are present in SHOW VARIABLES list.
# A. Check that the new variables are present in SHOW VARIABLES and
# SHOW STATUS lists.
#
show variables like 'max_prepared_stmt_count';
show variables like 'prepared_stmt_count';
show status like 'prepared_stmt_count';
#
# B. Check that the new variables are selectable.
# B. Check that the new system variable is selectable.
#
select @@max_prepared_stmt_count, @@prepared_stmt_count;
select @@max_prepared_stmt_count;
#
# C. Check that max_prepared_stmt_count is settable (global only),
# whereas prepared_stmt_count is readonly.
# C. Check that max_prepared_stmt_count is settable (global only).
#
set global max_prepared_stmt_count=-1;
select @@max_prepared_stmt_count;
@ -844,12 +847,6 @@ set @@max_prepared_stmt_count=1;
set max_prepared_stmt_count=1;
--error 1229 # ER_GLOBAL_VARIABLE
set local max_prepared_stmt_count=1;
--error 1229 # ER_GLOBAL_VARIABLE
set local prepared_stmt_count=0;
--error 1229 # ER_GLOBAL_VARIABLE
set @@prepared_stmt_count=0;
--error 1232 # ER_WRONG_TYPE_FOR_VAR
set global prepared_stmt_count=1;
# set to a reasonable limit works
set global max_prepared_stmt_count=1;
select @@max_prepared_stmt_count;
@ -857,47 +854,50 @@ select @@max_prepared_stmt_count;
# D. Check that the variables actually work.
#
set global max_prepared_stmt_count=0;
select @@max_prepared_stmt_count, @@prepared_stmt_count;
select @@max_prepared_stmt_count;
show status like 'prepared_stmt_count';
--error 1105 # ER_UNKNOWN_ERROR
prepare stmt from "select 1";
select @@prepared_stmt_count;
show status like 'prepared_stmt_count';
set global max_prepared_stmt_count=1;
prepare stmt from "select 1";
select @@prepared_stmt_count;
show status like 'prepared_stmt_count';
--error 1105 # ER_UNKNOWN_ERROR
prepare stmt1 from "select 1";
select @@prepared_stmt_count;
show status like 'prepared_stmt_count';
deallocate prepare stmt;
select @@prepared_stmt_count;
show status like 'prepared_stmt_count';
#
# E. Check that we can prepare a statement with the same name
# successfully, without hitting the limit.
#
prepare stmt from "select 1";
select @@prepared_stmt_count;
show status like 'prepared_stmt_count';
prepare stmt from "select 2";
select @@prepared_stmt_count;
show status like 'prepared_stmt_count';
#
# F. We can set the max below the current count. In this case no new
# statements should be allowed to prepare.
#
select @@prepared_stmt_count, @@max_prepared_stmt_count;
show status like 'prepared_stmt_count';
select @@max_prepared_stmt_count;
set global max_prepared_stmt_count=0;
--error 1105 # ER_UNKNOWN_ERROR
prepare stmt from "select 1";
# Result: the old statement is deallocated, the new is not created.
--error 1243 # ER_UNKNOWN_STMT_HANDLER
execute stmt;
select @@prepared_stmt_count;
show status like 'prepared_stmt_count';
--error 1105 # ER_UNKNOWN_ERROR
prepare stmt from "select 1";
select @@prepared_stmt_count;
show status like 'prepared_stmt_count';
#
# G. Show that the variables are up to date even after a connection with all
# statements in it was terminated.
#
set global max_prepared_stmt_count=3;
select @@max_prepared_stmt_count, @@prepared_stmt_count;
select @@max_prepared_stmt_count;
show status like 'prepared_stmt_count';
prepare stmt from "select 1";
connect (con1,localhost,root,,);
connection con1;
@ -908,18 +908,11 @@ prepare stmt2 from "select 4";
connection default;
--error 1105 # ER_UNKNOWN_ERROR
prepare stmt2 from "select 4";
select @@max_prepared_stmt_count, @@prepared_stmt_count;
select @@max_prepared_stmt_count;
show status like 'prepared_stmt_count';
disconnect con1;
connection default;
# Wait for the connection to die: deal with a possible race
deallocate prepare stmt;
let $count= `select @@prepared_stmt_count`;
if ($count)
{
--sleep 2
let $count= `select @@prepared_stmt_count`;
}
select @@max_prepared_stmt_count, @@prepared_stmt_count;
#
# Restore the old value.
#