Hannes Dorbath wrote:
> I think this is close to what MySQL's query cache does. The question
> is if this should be the job of the DBMS and not another layer. At
> least the pgmemcache author and I think that it's better done outside
> the DBMS. See
> http://people.FreeBSD.org/~seanc/pgmemcache/pgmemcache.pdf for the idea.
This is exactly what I was asking about. So my theoretical idea has
already been implemented. Now if only *all* my ideas were done for me by
the time I came up with them :)
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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
match
