Also, can somebody please explain how handler_index_cond_check checks
index conditions? The key function seems to be item->val_int. How does
this get each value and check check conditions?
On Thu, Feb 14, 2013 at 11:31 AM, Zardosht Kasheff wrote:
> Hello Sergei,
>
> Thanks for the feedback. What
Hello Sergei,
Thanks for the feedback. What makes this feature a little difficult
for me to grasp is the requirement that the engine is responsible for
doing some of the condition checking, and that MySQL is doing none of
the checking.
Here are the handler cursor API functions:
index_first
index
Hi, Kristian!
On Feb 14, Kristian Nielsen wrote:
> Sergei Golubchik writes:
> >> Right. In fact, I think perhaps I am doing it in a single statement
> >> already:
> >>
> >> mysql_reset_thd_for_next_command(thd, 0);
> >> open_and_lock_tables(thd, &tlist, FALSE, 0);
> >> table->file->ha_wri
Michael Widenius writes:
> Why doing an insert + delete instead of one update?
This is described in more detail in my blog under "On crash-safe slave":
http://kristiannielsen.livejournal.com/17008.html
The basic problem with just one UPDATE is that this causes row lock contention
when we g
Hi!
> "Kristian" == Kristian Nielsen writes:
Kristian> Sergei Golubchik writes:
>> What file is it in? I didn't find it in sql_repl.cc
Kristian> Sorry, it is rpl_slave_state::record_gtid() in sql/log_event.cc:
Kristian>
http://bazaar.launchpad.net/~maria-captains/maria/10.0-mdev26/v
Sergei Golubchik writes:
>> Right. In fact, I think perhaps I am doing it in a single statement already:
>>
>> mysql_reset_thd_for_next_command(thd, 0);
>> open_and_lock_tables(thd, &tlist, FALSE, 0);
>> table->file->ha_write_row(table->record[0]);
>> table->file->ha_rnd_pos_by_record(ta
Hi, Kristian!
On Feb 14, Kristian Nielsen wrote:
> Sergei Golubchik writes:
>
> > What file is it in? I didn't find it in sql_repl.cc
>
> Sorry, it is rpl_slave_state::record_gtid() in sql/log_event.cc:
>
>
> http://bazaar.launchpad.net/~maria-captains/maria/10.0-mdev26/view/head:/sql/log
Sergei Golubchik writes:
> What file is it in? I didn't find it in sql_repl.cc
Sorry, it is rpl_slave_state::record_gtid() in sql/log_event.cc:
http://bazaar.launchpad.net/~maria-captains/maria/10.0-mdev26/view/head:/sql/log_event.cc#L6140
> You could do all that in a single statement, an
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