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Message #05885
Re: The funcation of retry_transaction in parallen replication
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@xxxxxxxxx> 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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