Hi,

Do you have a test case (or sequence of SQL statements you could provide in email)? Your email is a bit hard to follow, but this sounds interesting.

Regards,

Jeremy


On Thu, Jul 11, 2013 at 11:51 PM, nanyi607rao <nanyi607rao@gmail.com> wrote:
hi,
  In order to test  "retry_transaction" in function execute_single_transaction(), I change Relay_log_pos to make SQL thread insert Duplicate entry, but I find it successed and do not report error!
 
  so I debug the function execute_single_transaction() and find the reason : at first time, the insert Rows_log_event::do_apply_event() return 121, that means insert fails. But when retry the insert Rows_log_event::do_apply_event(),it return 0, that means insert success! it seems the Rows_log_event::do_apply_event() do twice, but return different results. how this happened? is it a bug of Rows_log_event::do_apply_event() ?
 
  By the way, I do this test in mysql-5.5.30, do mariaDB has the some problem?
 
 
2013-07-12
nanyi607rao

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