On Fri, 12 Oct 2001, Aasmund Midttun Godal wrote:

> Can someone shed some light on as to how the indexes actually work?
> 
> I want to index the results of a function, the function does a whole
> lot of different selects on different tables. Will the database know
> when to update the index.

AFAIK No.  The functions for functional indexes probably should only
depend upon the arguments and no outside data.  Anything else sounds like
a recipe for broken indexes.


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