Handling innoDB deadlock

Question

I\'ve been getting a Deadlock found when trying to get lock; try restarting transaction error on my InnoDB tables. Here is the query:

UPDATE views 
         


        

Answer 1

You may have to play some games with the Transaction Isolation/MVCC features

Option 1) You may want to surround the query in a begin commit block

BEGIN;

UPDATE views
SET visit_cnt = visit_cnt + 1
WHERE visit_day = DATE(NOW())
AND article_id = '4838';

< Any actions in the trigger would be part of the transaction >

COMMIT;

Option 2) You may want to disable autocommit for your session

SET autocommit = 0;

Option 3) Change the transaction isolation before launching the query to expose dirty reads

This one is a stretch !!!

SET tx_isolation = READ_COMMITTED;

or

SET tx_isolation = READ_UNCOMMITTED;

Give it a Try and let us all know !!!