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#
# Bug#20023 mysql_change_user() resets the value of SQL_BIG_SELECTS
#
--echo Bug#20023
SELECT @@session.sql_big_selects;
# The exact value depends on the server build flags
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
SELECT @@global.max_join_size;
--echo change_user
--change_user
SELECT @@session.sql_big_selects;
# The exact value depends on the server build flags
--replace_result 18446744073709551615 HA_POS_ERROR 4294967295 HA_POS_ERROR
SELECT @@global.max_join_size;
SET @@global.max_join_size = 10000;
SET @@session.max_join_size = default;
--echo change_user
--change_user
SELECT @@session.sql_big_selects;
# On some machines the following will result into a warning
--disable_warnings
SET @@global.max_join_size = -1;
--enable_warnings
SET @@session.max_join_size = default;
--echo change_user
--change_user
SELECT @@session.sql_big_selects;
#
# Bug#31418 User locks misfunctioning after mysql_change_user()
#
--echo Bug#31418
SELECT IS_FREE_LOCK('bug31418');
SELECT IS_USED_LOCK('bug31418');
SELECT GET_LOCK('bug31418', 1);
SELECT IS_USED_LOCK('bug31418') = CONNECTION_ID();
--echo change_user
--change_user
SELECT IS_FREE_LOCK('bug31418');
SELECT IS_USED_LOCK('bug31418');
#
# Bug#31222: com_% global status counters behave randomly with
# mysql_change_user.
#
FLUSH STATUS;
--disable_result_log
--disable_query_log
let $i = 100;
while ($i)
{
dec $i;
SELECT 1;
}
--enable_query_log
--enable_result_log
let $before= query_get_value(SHOW GLOBAL STATUS LIKE 'com_select',Value,1);
--change_user
let $after= query_get_value(SHOW GLOBAL STATUS LIKE 'com_select',Value,1);
if (`select $after != $before`){
SHOW GLOBAL STATUS LIKE 'com_select';
die The value of com_select changed during change_user;
}
echo Value of com_select did not change;
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