maria-developers team mailing list archive

[Oleksandr Byelkin <sanja@xxxxxxxxxxxxxxxx>]

Hi, Jeeukrishnan!

Am 21.03.20 um 15:05 schrieb Jeeukrishnan Kayshyap.:
> Hi  , I studied the join_table part of sql_yacc.yy and the the 
> convert_right_join() part from sql_parse.cc .
> Sir to add the full outer join :
> if we add a /*Full outer join variant */ , where first we will do  
> left outer join and then right outer join in that , after that
> we can use the "UNION" part  in /*Full outer join variant */ to join 
> the left outer join and right outer join table to get the full outer 
> join table.
>
>  Will this approach gonna work Sir? please guide me for this issue.Is 
> it completely wrong or need some modification?


Please read Igor Babaev comment about transformation here: 
https://jira.mariadb.org/browse/MDEV-13648 I hope it will give you idea 
about direction, if no, please do not hesitate to ask.


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