Re: Query Planner GROUP BY and HAVING clauses optimization ?
Richard Hipp <[email protected]>
| Newsgroups | gmane.comp.db.sqlite.general |
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| Message-ID | <CALwJ=Mz8CC6jOqTPgrgo9W2fd5kVCmn=8-UzoiN3H94oSTQQiA@mail.gmail.com> |
On 1/14/20, Keith Medcalf <[email protected]> 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 [email protected] _______________________________________________ sqlite-users mailing list [email protected] http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users