> In the above case PG will simply do a dictionary update of meta > tables. So all new rows will reflect col-T and as and when the old I will clarify it bit further: All new rows will have space allocated for col-T and no space allocated for col-S, while existing dormant rows are left unmodified . -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
