Re: Trigger Function question

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От DAVID ROTH
Тема Re: Trigger Function question
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Msg-id 1715546791.171305.1689013799237@connect.xfinity.com
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Ответ на Re: Trigger Function question  (Christophe Pettus <xof@thebuild.com>)
Ответы Re: Trigger Function question  (Christophe Pettus <xof@thebuild.com>)
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I want to use a single trigger function to log multiple tables and the tables have different columns.  I can get the
namesof the columns from the catalog.  But I have not been able to figure out how to get NEW.x when x is not known
untilrun time.
 


> On 07/10/2023 2:23 PM EDT Christophe Pettus <xof@thebuild.com> wrote:
> 
>  
> > On Jul 10, 2023, at 11:20, DAVID ROTH <adaptron@comcast.net> wrote:
> > 
> > In a trigger function, is there a way to get a list of all of the columns in the triggering table?
> 
> You can get the table that the trigger fired on with TG_TABLE_SCHEMA and TG_TABLE_NAME, and then query the system
catalogsto get a list of columns.
 
> 
> But can you tell us a bit more about your use-case?  You may be able to write the trigger in such a way that it
doesn'tneed to change behavior based on the columns.
 



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