Re: "on existing update" construct - Mailing list pgsql-hackers

From Craig Ringer
Subject Re: "on existing update" construct
Date
Msg-id 51B47C75.1050609@2ndquadrant.com
Whole thread Raw
In response to "on existing update" construct  (Dev Kumkar <devdas.kumkar@gmail.com>)
List pgsql-hackers
On 05/16/2013 02:44 AM, Dev Kumkar wrote:
> Hello,
> 
> Is there an alternative of Sybase "on existing update" construct in pgsql.

No.

See:

http://www.depesz.com/2012/06/10/why-is-upsert-so-complicated/

-- Craig Ringer                   http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services



pgsql-hackers by date:

Previous
From: Andres Freund
Date:
Subject: Re: Hard limit on WAL space used (because PANIC sucks)
Next
From: Andres Freund
Date:
Subject: Re: MVCC catalog access