mysql - using insert delayed on duplicate update low_priority all together -


i want mysql statement insert or update using low priority or delayed. doesn't seem working 

insert delayed lastaccess             (x, y, timeaccess)             values (2, 4, 1309622646)             on duplicate key update low_priority timeaccess = 1309622646

your problem here "on duplicate key update" statement. not work insert delayed statement, per documentation:

insert delayed should used insert statements specify value lists. server ignores delayed insert ... select or insert ... on duplicate key update statements.

http://dev.mysql.com/doc/refman/5.5/en/insert-delayed.html


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