Tom Lane wrote:
Not that there's anything wrong with a performance-oriented release
... but if you think that 8.2 is short on features, you'd better get
ready to be disappointed by every future release.
It's a pity that some expectations have been raised about features that
we haven't seen patches for, e.g. MERGE and/or some form of UPSERT, and
recursive queries. I am not pointing fingers, but I do think we need
some way in which the community can ensure that certain goals are met,
or at least try to help if things fall in a ditch, rather than just
relying on hackers scratching whatever itch they happen to get in
splendid isolation and then trying to merge the results.
cheers
andrew
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
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