lorenzo.kh,
Monday, July 29, 2002, 11:59:49 AM, you wrote:
lk> I have a question regard the table locking.
lk> Let say there is a table ,mytablename type=MyISAM in my database.
lk> And lets say there are 2 users who are currently log in.
lk> First user locks a table write:
lk> mysql> lock tables mytablename write;
lk> Query OK, 0 rows affected (0.00 sec)
lk> Then,second user wishes to query something from mytablename.
lk> mysql>select * from mytablename;
lk> ...........................(pending or in a queue)...
lk> I know that the second query will be pending untill the 1-st user issues the
lk> "unlock tables" command.
lk> So,i am wondering is it the second query will be waiting there 'forever' if
lk> the 1-st user 'never' issue the "unlock tables" command?
lk> Or is there any method maybe like 'waiting_timeout' that I can set.If the
waiting time > 'variable' second,then the query will automatically be
lk> deleted....
For the INSERT DELAYED you can set up variable delayed_insert_timeout:
http://www.mysql.com/doc/S/H/SHOW_VARIABLES.html
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