Gavin Flower wrote:

> One way it could be done, but even this would consume far too much
> storage and processing power (hence totally impractical), would be
> to 'simply' store a counter for each value found and increment it
> for each occurence...

An histogram?  Sounds like a huge lot of code complexity to me.  Not
sure the gain is enough.

Álvaro Herrera      
PostgreSQL Development, 24x7 Support, Training & Services

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