Re: getting the number of rows affected by a query

From: Erik Jones <erik(at)myemma(dot)com>
To: Ow Mun Heng <Ow(dot)Mun(dot)Heng(at)wdc(dot)com>
Cc: Martijn van Oosterhout <kleptog(at)svana(dot)org>, pgsql-general(at)postgresql(dot)org
Subject: Re: getting the number of rows affected by a query
Date: 2007-11-16 15:28:54
Message-ID: 77708784-2E9A-4F75-BC67-F947056A819E@myemma.com
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On Nov 16, 2007, at 3:26 AM, Ow Mun Heng wrote:

>
> On Fri, 2007-11-16 at 10:22 +0100, Martijn van Oosterhout wrote:
>> On Fri, Nov 16, 2007 at 09:00:46AM +0800, Ow Mun Heng wrote:
>>> I usually write a function which gets/uses the GETS DIAGNOSTIC
>>> ROW COUNT
>>> parameter which will tell me how many rows were affected by the
>>> query.
>>>
>>> Now, for this case, I'm not writing a function but merely using a
>>> normal
>>> SQL eg:
>>
>> The server provides the number of changed rows in its response. Like
>> DELETE 2030. So check whatever you're using to run the commands.
>>
>
> The question is on how to use this number to be inserted into a table
> instead of just being informational.

The specifics depend on what language you're using for your database
access. Regardless, though, save the server's response in a variable
and use that.

Erik Jones

Software Developer | Emma®
erik(at)myemma(dot)com
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