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MDEV-13375 back_log ignored

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doing SYSVAR_AUTOSIZE() because of back_log > max_connections
enabled "autosized" flag, and that made IS_SYSVAR_AUTOSIZE()
true, which triggered the second SYSVAR_AUTOSIZE.

Remove back_log <= max_connections limit, back_log
doesn't *always* have to be smaller than max_connections.
This commit is contained in:
Sergei Golubchik
2017-08-12 19:09:03 +02:00
parent d07daa3125
commit d924e0b993
4 changed files with 2 additions and 36 deletions
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20
mysql-test/suite/sys_vars/r/back_log_basic.result
View File

@ -1,21 +1,3 @@
select @@global.back_log;
@@global.back_log
80
select @@session.back_log;
ERROR HY000: Variable 'back_log' is a GLOBAL variable
show global variables like 'back_log';
Variable_name Value
back_log 80
show session variables like 'back_log';
Variable_name Value
back_log 80
select * from information_schema.global_variables where variable_name='back_log';
VARIABLE_NAME VARIABLE_VALUE
BACK_LOG 80
select * from information_schema.session_variables where variable_name='back_log';
VARIABLE_NAME VARIABLE_VALUE
BACK_LOG 80
set global back_log=1;
ERROR HY000: Variable 'back_log' is a read only variable
set session back_log=1;
ERROR HY000: Variable 'back_log' is a read only variable
1000