He Zhenxing,
> Andrei Elkin wrote:
>> >> >> >> As a comment on it, I thought the test would lists all
> kinds of query
>> >> >> >> on a temporary table and to print the content of the
> binlog in the
>> >> >> >> end.
>> >> >> >
>> >> >> > I agree to check all update querys that using temporary
> table would make
>> >> >> > the test complete, but I think the idea to print the
> content of the
>> >> >> > binlog is not good, because that would make the test
> dependent on the
>> >> >> > format of the binlog dump format, which might change from
> time to time.
>> >> >>
>> >> >> Well, not all the binlog but only
>> >> >>
>> >> >> $MYSQL_BINLOG binlog | grep 'pseudo_thread_id'
>> >> >>
>> >> >> would be relevant to show in the results.
>> >> >>
>> >> >
>> >> > but the thread_id number might change.
>> >> >
>> >>
>> >> well, then mask out the number. What we really need is the line with
>> >> set @@session.pseudo_thread_id.
>> >>
>> >
>> > Hmm, then we cannot check if the number is correct, i.e. the numbers for
>> > different connections are differenct, and for the same connection they
>> > are the same.
>>
>> Initially, my aim was less ambitious, merely to show presense
>> `set @@session.pseudo_thread_id' per a query.
>> As to checking uniqueness of the pseudo_thread_id, which is a good point,
>> there can be some ways:
>> if there is no sort, uniq shelltools then,
>> to store grep results into file and LOAD DATA it into a (temp:-)
>> table with the number at `the pseudo_thread_id=' to correspond to a
>> unique attribute of the table, and see if `LOAD DATA' fails.
>>
>
> Thanks for clarifying, I think it can work, but probably a little bit
> overkilling :-)
does not look as simpler way, agree :-)