Rick wrote:
> Hi everyone,
>
> I am currently a university student who is doing research on join
> algorithms.
>
> My task is to explore possible improvements on self-join (i.e. join a
> relation with itself) algorithms. But I stuck at the beginning because I
> don't know which part of the MySQL source code shall I work on.
>
> Can anyone kindly tell me how do I start this task? would really appreciate
> any help.
>
> Regards,
> Rick
>
Hi
You can look at /sql/sql_select.cc file for the sql optimization code.
There is also some info in the Internals document (this is on the
documentation part of the MySQL site)
Regards
Vangelis
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