8.1.1, everything vacuumed/analyzed. basically i have two queries that
when executed individually run quite quickly, but if I try to left join
the second query onto the first, everything gets quite a bit slower.
rms=# explain analyze
rms-# SELECT
rms-# software_download.*
rms-# FROM
rms-#
Hmmm, this looks like a planner bug to me:
Hash
Join (cost=870.00..992.56 rows=1 width=96) (actual time=90.566..125.782
rows=472 loops=1) Hash Cond: ((outer.host_id = inner.host_id) AND
(outer.?column2? = inner.mtime)) - HashAggregate
(cost=475.88..495.32 rows=1555 width=16) (actual
