Thanks to all, I had already run analyze.  But the STATISTICS setting
seems to have worked. I'm just not sure what it did..? Would anyone care
to explain. 

On Mon, 2003-12-01 at 13:47, Josh Berkus wrote:
> Jeremiah,
> > I've attached the Analyze below. I have no idea why the db thinks there
> > is only 1 judge named simth. Is there some what I can inform the DB
> > about this. In actuality, there aren't any judges named smith at the
> > moment, but there are 22K people named smith.
> No, Hannu meant that you may need to run the following command:
> ANALYZE actor;
> ... to update the database statistics on the actors table.   That is a 
> maintainence task that needs to be run periodically.
> If that doesn't fix the bad plan, then the granularity of statistics on the 
> full_name column needs updating; I suggest:
> ANALYZE actor;
> And if it's still choosing  a slow nested loop, up the stats to 250.
Jeremiah Jahn <[EMAIL PROTECTED]>

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TIP 9: the planner will ignore your desire to choose an index scan if your
      joining column's datatypes do not match

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