So does adding and populating that column when Slony does it require 
table locks? I was allowing it to be created in some of the tables I'm 
attempting to replicate, and I wasn't sure whether the number of tables 
or the populating was taking so long.

-tfo

On Jul 27, 2004, at 9:26 AM, Christopher Browne wrote:

> Supposing there are many millions of rows in that table, adding and
> populating the _Slony-I_test1_rowID slot as well as the index will
> take a painful amount of time during which other updates can't take
> place.  Possibly a bad thing???