teknokrat <teknokrat(at)yahoo(dot)com> writes:
> Is it a good idea to index timestamp fields? what about date fields in
> general?
If you need to order by a timestamp, then it can be worthwhile.
If that timestamp can be null, and is rarely populated, then you might
get a _big_ benefit from creating a partial index as with:
create index by_some_date on my_table(some_date) where some_date is
not null;
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