[Koha-bugs] [Bug 22368] Table suggestions lacks foreign key constraints

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22368

--- Comment #26 from Martin Renvoize <martin.renvoize at ptfs-europe.com> ---
(In reply to Jonathan Druart from comment #23)
> NOT IN could (must?) be replaced with LEFT JOIN table SET attr_a = NULL
> WHERE attr_b IS NULL

Personally, I always find the NOT IN clearer than a LEFT JOIN.. and I thought
the performance was pretty much the same as the mysql optimiser accounts for
it.

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