John Mendenhall <[EMAIL PROTECTED]> writes:
> Would it be best to attempt to rewrite it for IN?
> Or, should we try to tie it in with a join?

Couldn't say without a deeper understanding of what you're trying to
accomplish.

> BTW, what does the Materialize query plan element mean?

Means "run the contained subplan once, and save the results aside in a
buffer; on subsequent loops, just pass back the buffer contents instead
of re-running the subplan".

                        regards, tom lane

---------------------------(end of broadcast)---------------------------
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

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