Обсуждение: btree/gist index on date and searching using BETWEEN or >= and <=

Wells Oliver <wells.oliver@gmail.com> writes:
> Is there a meaningful difference index/plan-wise searching where DATE
> BETWEEN x AND y versus DATE >= x AND DATE <= y?

Nope.

> Secondly, would btree be the best index for such a column, or gist/etc?

btree.  gist can sort of do scalar-inequality searches, but they're
not its strength.

            regards, tom lane