"Ole Tange" <postgresql....@tange.dk> writes:
> (modulo NULLs which seem to always cause problems in NOT INs).
> Because it can be rewritten, NOT IN should never be much slower than the
> rewritten solution, as PostgreSQL should simply rewrite NOT IN to the
> above.
Let's see, you understand that the rewrite violates the SQL standard
semantics of NOT IN, but you think we should do it anyway?
regards, tom lane
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