Re: ResultSetMetaData.getTableName() == null

On 22-Sep-06, at 9:23 AM, Markus Schaber wrote:

> Hi, Alex,
>
> Alex Stienstra wrote:
>> MySQL returns the tablename if possible otherwise the alias. I
>> find this
>> an acceptable solution. Having at least a name one could query the
>> meta
>> system in other to determine whether it is a table name or not.
>
> The problem is that PostgreSQL does not pass any information about
> aliases down to the client.
>
> So we have two possibilities to implement this feature: Hack up the
> server to provide that additional info, or implement a fully-
> fledged SQL
> parser in the client and get the alias names ourselves.
Certainly parsing the SQL is expensive, however I would like to see
the server extend the protocol to give us this information.

Dave
>
> Both seems not worth it currently.
>
> HTH,
> Markus
> --
> Markus Schaber | Logical Tracking&Tracing International AG
> Dipl. Inf. | Software Development GIS
>
> Fight against software patents in Europe! www.ffii.org
> www.nosoftwarepatents.org
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 1: if posting/reading through Usenet, please send an appropriate
> subscribe-nomail command to majordomo(at)postgresql(dot)org so that
> your
> message can get through to the mailing list cleanly
>