On Thu, Jun 09, 2005 at 06:17:24PM +0000, Chris Hoover wrote: > I am trying to write a very generic function to be used for table auditing. I am kind of stuck on how to make the function use the column names I pull from the db. Is there anyway to do what I have below? My main concern is this segment: > > if (new.columnName != old.columnName or > (old.columnName is null and new.columnName is not null) or > (old.columnName is not null and new.columnName is null) > ) then > > How can I get PostgreSQL to substitute the selected column name for the old.columnName/new.columnName? Standard answer has been "can't do that in plpgsql". You may want to try pl/perl, pl/python (does that support triggers?) or pl/tcl. If performance is an issue, write the function in C. -- Alvaro Herrera (<alvherre[a]surnet.cl>) "If it wasn't for my companion, I believe I'd be having the time of my life" (John Dunbar)
