I was looking at some stubborn queries in one of our applications, and
not knowing the internals of the query planner, thought I might ask if
this planner improvement is possible at all. We have queries with the
general form of IN (SELECT FROM AA JOIN (SELECT foo UNION ALL SELECT
bar)) clauses.
> "Marc G. Fournier" <[EMAIL PROTECTED]> writes:
>> Pointers to docs that I'm not finding most acceptable ...
>
> There aren't any, because at the time the 7.4 docs were being prepared,
> we didn't have enough field experience to know whether its version of
> index compaction would eliminate the pr