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Re: ResultSetMetaData.getTableName() == null

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: Markus Schaber <schabi(at)logix-tt(dot)com>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: ResultSetMetaData.getTableName() == null
Date: 2006-09-22 13:30:03
Message-ID: C8348F88-E127-4C83-8948-D43AC91C6B60@fastcrypt.com (view raw or flat)
Thread:
Lists: pgsql-jdbc
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
>
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