Обсуждение: DDL triggers

Hi!<br /><br />Excuse me that I inquiring you by mail but I can't find answer on my questions.<br /><br />I need to
collectmetadata about structure (and it's modifications) of the database in my work.<br /><br />When DDL triggers will
besupported by PostgreSQL?<br /><br />In TODO PostgreSQL Wiki I've found only that:<br /><br />>Allow AFTER triggers
onsystem tables <dl><dd> >System tables are modified in many places in the backend without going through the
executorand therefore not causing triggers to fire. To complete this item, the >functions that modify system tables
willhave to fire triggers. </dl> Is it realization of DDL triggers or it will be a separate object?<br clear="all"
/><br/>-- <br />С уважением,<br />Дмитрий<br /> 

On Thursday 21 May 2009 10:52:33 =D0=A6=D0=B5=D0=BB=D1=83=D0=B9=D0=BA=D0=BE=
 =D0=94=D0=BC=D0=B8=D1=82=D1=80=D0=B8=D0=B9 wrote:
> When DDL triggers will be supported by PostgreSQL?

There are currently no concrete plans for that, but if someone comes up wit=
h a=20
good design and implementation, it could be acceptable.  But don't hold you=
r=20
breath.

In an attempt to throw the authorities off his trail, peter_e@gmx.net (Peter Eisentraut) transmitted:
> On Thursday 21 May 2009 10:52:33 Целуйко Дмитрий wrote:
>> When DDL triggers will be supported by PostgreSQL?
>
> There are currently no concrete plans for that, but if someone comes up with a
> good design and implementation, it could be acceptable.  But don't hold your
> breath.

An API that provides access to the ALTER statement would be a mighty
good thing.

I'd suppose that something like NEW_STATEMENT would be nice to have
access to.
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