Isn't this sort of impossible?
You are asking for something like "a set which contains as an element
the set itself"
WHERE fooId IN (fooId)
Adolfo
> -----Original Message-----
> From: Peter Abilla [mailto:peter-abilla@stripped]
> Sent: Monday, December 02, 2002 1:43 PM
> To: mysql@stripped
> Subject: sql:WHERE IN SYNTAX
>
>
> Question about SQL "WHERE IN" syntax:
>
> I know that something like this is fine to do:
>
> (1)
> SELECT foo
> FROM bar
> WHERE fooID in ('1','2')
>
> In the example above, the parenthesis includes the itemized
> fooID's. But, I want to do a similar thing where instead of
> the actual fooID's in the WHERE IN clause, I reference a
> column that contains the fooID's, like:
>
> (2)
> SELECT foo
> FROM bar
> WHERE fooID in (bar.fooID)
>
> In this example, I have the table 'bar' and the column 'fooID'.
>
> Is (2) possible? If not, what other strategies are there?
> Please help.
>
> PSA
>
>
>
>
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