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-rw-r--r--mysql-test/r/user_limits.result7
-rw-r--r--mysql-test/t/user_limits.test8
-rw-r--r--sql/mysql_priv.h2
-rw-r--r--sql/mysqld.cc7
-rw-r--r--sql/set_var.cc8
-rw-r--r--sql/set_var.h2
6 files changed, 29 insertions, 5 deletions
diff --git a/mysql-test/r/user_limits.result b/mysql-test/r/user_limits.result
index b374b05e3f0..75062e97200 100644
--- a/mysql-test/r/user_limits.result
+++ b/mysql-test/r/user_limits.result
@@ -6,6 +6,7 @@ delete from mysql.tables_priv where user like 'mysqltest\_%';
delete from mysql.columns_priv where user like 'mysqltest\_%';
flush privileges;
grant usage on *.* to mysqltest_1@localhost with max_queries_per_hour 2;
+flush user_resources;
select * from t1;
i
select * from t1;
@@ -16,6 +17,7 @@ select * from t1;
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_questions' resource (current value: 2)
drop user mysqltest_1@localhost;
grant usage on *.* to mysqltest_1@localhost with max_updates_per_hour 2;
+flush user_resources;
select * from t1;
i
select * from t1;
@@ -34,6 +36,7 @@ select * from t1;
i
drop user mysqltest_1@localhost;
grant usage on *.* to mysqltest_1@localhost with max_connections_per_hour 2;
+flush user_resources;
select * from t1;
i
select * from t1;
@@ -47,6 +50,7 @@ ERROR 42000: User 'mysqltest_1' has exceeded the 'max_connections' resource (cur
drop user mysqltest_1@localhost;
flush privileges;
grant usage on *.* to mysqltest_1@localhost with max_user_connections 2;
+flush user_resources;
select * from t1;
i
select * from t1;
@@ -56,6 +60,7 @@ ERROR 42000: User 'mysqltest_1' has exceeded the 'max_user_connections' resource
select * from t1;
i
grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
+flush user_resources;
select * from t1;
i
connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
@@ -71,6 +76,7 @@ select @@session.max_user_connections, @@global.max_user_connections;
@@session.max_user_connections @@global.max_user_connections
2 2
grant usage on *.* to mysqltest_1@localhost;
+flush user_resources;
select @@session.max_user_connections, @@global.max_user_connections;
@@session.max_user_connections @@global.max_user_connections
2 2
@@ -79,6 +85,7 @@ i
connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
ERROR 42000: User mysqltest_1 already has more than 'max_user_connections' active connections
grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
+flush user_resources;
select @@session.max_user_connections, @@global.max_user_connections;
@@session.max_user_connections @@global.max_user_connections
3 2
diff --git a/mysql-test/t/user_limits.test b/mysql-test/t/user_limits.test
index 50c16e5e114..729894a588a 100644
--- a/mysql-test/t/user_limits.test
+++ b/mysql-test/t/user_limits.test
@@ -19,6 +19,8 @@ flush privileges;
# Test of MAX_QUERIES_PER_HOUR limit
grant usage on *.* to mysqltest_1@localhost with max_queries_per_hour 2;
+# This ensures that counters are reset and makes test scheduling independent
+flush user_resources;
connect (mqph, localhost, mysqltest_1,,);
connection mqph;
select * from t1;
@@ -37,6 +39,7 @@ disconnect mqph2;
# Test of MAX_UPDATES_PER_HOUR limit
grant usage on *.* to mysqltest_1@localhost with max_updates_per_hour 2;
+flush user_resources;
connect (muph, localhost, mysqltest_1,,);
connection muph;
select * from t1;
@@ -60,6 +63,7 @@ disconnect muph2;
# Test of MAX_CONNECTIONS_PER_HOUR limit
grant usage on *.* to mysqltest_1@localhost with max_connections_per_hour 2;
+flush user_resources;
connect (mcph1, localhost, mysqltest_1,,);
connection mcph1;
select * from t1;
@@ -86,6 +90,7 @@ drop user mysqltest_1@localhost;
# We need this to reset internal mqh_used variable
flush privileges;
grant usage on *.* to mysqltest_1@localhost with max_user_connections 2;
+flush user_resources;
connect (muc1, localhost, mysqltest_1,,);
connection muc1;
select * from t1;
@@ -102,6 +107,7 @@ select * from t1;
# Changing of limit should also help (and immediately)
connection default;
grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
+flush user_resources;
connect (muc4, localhost, mysqltest_1,,);
connection muc4;
select * from t1;
@@ -127,6 +133,7 @@ set global max_user_connections= 2;
select @@session.max_user_connections, @@global.max_user_connections;
# Let us check that global limit works
grant usage on *.* to mysqltest_1@localhost;
+flush user_resources;
connect (muca1, localhost, mysqltest_1,,);
connection muca1;
select @@session.max_user_connections, @@global.max_user_connections;
@@ -139,6 +146,7 @@ connect (muca3, localhost, mysqltest_1,,);
# Now we are testing that per-account limit prevails over gloabl limit
connection default;
grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
+flush user_resources;
connect (muca3, localhost, mysqltest_1,,);
connection muca3;
select @@session.max_user_connections, @@global.max_user_connections;
diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h
index 322b38abe13..9d20dc267d5 100644
--- a/sql/mysql_priv.h
+++ b/sql/mysql_priv.h
@@ -1001,7 +1001,7 @@ extern ulong ha_read_count, ha_discover_count;
extern ulong table_cache_size;
extern ulong max_connections,max_connect_errors, connect_timeout;
extern ulong slave_net_timeout;
-extern ulong max_user_connections;
+extern uint max_user_connections;
extern my_bool timed_mutexes;
extern ulong what_to_log,flush_time;
extern ulong query_buff_size, thread_stack,thread_stack_min;
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 35eddb0734f..3e7db0b5fd5 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -333,7 +333,8 @@ ulong delayed_insert_errors,flush_time, thread_created;
ulong specialflag=0;
ulong binlog_cache_use= 0, binlog_cache_disk_use= 0;
ulong max_connections,max_used_connections,
- max_connect_errors, max_user_connections = 0;
+ max_connect_errors;
+uint max_user_connections= 0;
ulong thread_id=1L,current_pid;
my_bool timed_mutexes= 0;
ulong slow_launch_threads = 0, sync_binlog_period;
@@ -5246,8 +5247,8 @@ The minimum value for this variable is 4096.",
REQUIRED_ARG, 32, 1, ~0L, 0, 1, 0},
{"max_user_connections", OPT_MAX_USER_CONNECTIONS,
"The maximum number of active connections for a single user (0 = no limit).",
- (gptr*) &max_user_connections, (gptr*) &max_user_connections, 0, GET_ULONG,
- REQUIRED_ARG, 0, 1, ~0L, 0, 1, 0},
+ (gptr*) &max_user_connections, (gptr*) &max_user_connections, 0, GET_UINT,
+ REQUIRED_ARG, 0, 1, ~0, 0, 1, 0},
{"max_write_lock_count", OPT_MAX_WRITE_LOCK_COUNT,
"After this many write locks, allow some read locks to run in between.",
(gptr*) &max_write_lock_count, (gptr*) &max_write_lock_count, 0, GET_ULONG,
diff --git a/sql/set_var.cc b/sql/set_var.cc
index 957cacc91ac..deb33cf389b 100644
--- a/sql/set_var.cc
+++ b/sql/set_var.cc
@@ -1599,6 +1599,14 @@ Item *sys_var::item(THD *thd, enum_var_type var_type, LEX_STRING *base)
var_type= OPT_GLOBAL;
}
switch (type()) {
+ case SHOW_INT:
+ {
+ uint value;
+ pthread_mutex_lock(&LOCK_global_system_variables);
+ value= *(uint*) value_ptr(thd, var_type, base);
+ pthread_mutex_unlock(&LOCK_global_system_variables);
+ return new Item_uint((int32) value);
+ }
case SHOW_LONG:
{
ulong value;
diff --git a/sql/set_var.h b/sql/set_var.h
index 7c9f11041c8..0f30f764ed5 100644
--- a/sql/set_var.h
+++ b/sql/set_var.h
@@ -740,7 +740,7 @@ public:
return type != OPT_GLOBAL || !option_limits;
}
void set_default(THD *thd, enum_var_type type);
- SHOW_TYPE type() { return SHOW_LONG; }
+ SHOW_TYPE type() { return SHOW_INT; }
byte *value_ptr(THD *thd, enum_var_type type, LEX_STRING *base);
};