"Mr. Dan" <[EMAIL PROTECTED]> writes:
> ... What happens is that we have a 'hot' table (one with many many 
> transactions) that gets inserted and deleted often. About once a month now 
> when we do a select from that table the results of the select do not match 
> the where clause, ex.

> select * from recent_projects
> where user_id = 139

> sometimes produces these results:

> user_id    project_id
> 139        3
> 139        1
> 139        17
> 754        11

Hmmm .... that looks sorta familiar.  What is the query plan that's used
for this SELECT?

                        regards, tom lane

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