Re: [DOCS] How the planner uses statistics

[Mark Kirkwood]

Josh Berkus wrote:
Mark,
Terrific.   I'd be happy to post this at www.powerpostgresql.org, if you want; 
I think a lot of people would be interested.

Absolutely, that is an excellent spot for it, do you need it reformatted 
in html first?

BTW - in fact a community site may well be more appropriate for it than 
the docs, as someone has to remember to change it if (when) the 
optimizer row estimation algorithms or stats design are altered.

Mark

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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