[HACKERS] Query planner question (7.4.5)

2005-02-07 Thread Arthur Ward
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.

Re: [HACKERS] Unbalanced Btree Indices ...

2004-03-21 Thread Arthur Ward
> "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