On 1/14/20, Keith Medcalf <kmedc...@dessus.com> wrote:
>
> I seem to recall something about "expensive" conditions that will be forced
> to be run on only as few surviving candidate rows as possible, but my
> recollection is vague (they say the memory is the second thing to go --
> strange I can't remember the first).
>
> Anyway, Richard may be able to help here.

Maybe you are thinking of SQLITE_ENABLE_SORTER_REFERENCES.
https://www.sqlite.org/compile.html#enable_sorter_references


-- 
D. Richard Hipp
d...@sqlite.org
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