Re: DatabaseMetaData.getImportedKeys returning duplicate - Mailing list pgsql-jdbc

On Monday, March 17, 2003, at 04:07  AM, Dave Cramer wrote:
> I didn't see your first message ??

I got a copy back when I sent it.. but it was the first message I had
sent since subscribing. o well.

> Yes this is a valid fix.

Thanks. Should I submit a patch for this, since it is a trivial
one-line change.
-pete

>
> Dave
> On Sun, 2003-03-16 at 21:39, Peter Royal wrote:
>> Anyone? Is a specific testcase needed? Is no-one else using this
>> metadata?
>> thanks.
>> -pete
>>
>> On Monday, March 3, 2003, at 09:27  PM, Peter Royal wrote:
>>
>>> I am having a problem with the DatabaseMetaData.getImportedKeys()
>>> function. I am asking for the keys with respect to a specific table.
>>> All is fine, except when I have two columns in a table that are both
>>> foreign keys to another table, ie:
>>>
>>> Table A            Table B
>>> -------            -------
>>>   col1  -----------pk
>>>   col2  -----------/
>>>
>>> The ResultSet returned from getImportedKeys is structured:
>>>
>>> col1
>>> col2
>>> col1
>>> col2
>>>
>>> If I execute the query that is generated behind the scenes in the
>>> psql
>>> command-line program, adding the DISTINCT keyword to the query causes
>>> it to return the proper number of rows. Is that a valid fix, or will
>>> that break something else? Should the duplicate-reduction be done
>>> inside the java code that creates the ResultSet? I have no problem
>>> making the fix, I just don't know enough about the jdbc internals
>>> (nor
>>> postgres itself, I'm a new user) to be confident enough to know
>>> exactly *what* to fix.
>>>
>>> Anyways great work thus far, I look forward to helping improve the
>>> driver!
>>> -pete
>>>
>>> --
>>> peter royal -> proyal@pace2020.com
>>>
>>>
>>> ---------------------------(end of
>>> broadcast)---------------------------
>>> TIP 4: Don't 'kill -9' the postmaster
>>>
>>
>>
>> ---------------------------(end of
>> broadcast)---------------------------
>> TIP 2: you can get off all lists at once with the unregister command
>>     (send "unregister YourEmailAddressHere" to
>> majordomo@postgresql.org)
> --
> Dave Cramer <davec@fastcrypt.com>
> Cramer Consulting
> --
> Dave Cramer <Dave@micro-automation.net>
>
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 2: you can get off all lists at once with the unregister command
>     (send "unregister YourEmailAddressHere" to
> majordomo@postgresql.org)
>