Обсуждение: Any former bugs that loose duplicates after a sort

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Any former bugs that loose duplicates after a sort

От
Richard Broersma
Дата:
The is someone in the MS-Access community that is seeing duplicated
records (differing by a serial id) disappear with sorting the list by
the unique serial id.  Were there any older version of Postgres that
did this?

http://www.utteraccess.com/forums/showflat.php?Cat=&Number=1876017&page=0&view=&sb=5&o=&fpart=1&vc=1&PHPSESSID=

--
Regards,
Richard Broersma Jr.

Visit the Los Angeles PostgreSQL Users Group (LAPUG)
http://pugs.postgresql.org/lapug

Re: Any former bugs that loose duplicates after a sort

От
Adrian Klaver
Дата:
----- "Richard Broersma" <richard.broersma@gmail.com> wrote:

> The is someone in the MS-Access community that is seeing duplicated
> records (differing by a serial id) disappear with sorting the list by
> the unique serial id.  Were there any older version of Postgres that
> did this?
>
> http://www.utteraccess.com/forums/showflat.php?Cat=&Number=1876017&page=0&view=&sb=5&o=&fpart=1&vc=1&PHPSESSID=
>
> --
> Regards,
> Richard Broersma Jr.
>

My reading of the thread is that he is seeing duplicate records that include duplicates of the serial id. The dataset
isderived from a join of tables and Access queries. My guess is that the query he built is not doing what he thinks it
is.This would be especially true if he used the GUI query builder, it tends to build some funky queries (especially
whenrun against non-Jet datasources). When querying Postgres from Access I usually use pass through queries to keep
Accessfrom mucking them up to much. 

Adrian Klaver
aklaver@comcast.net