Edmundo Robles <edmundo(at)sw-argos(dot)com> writes:
> i need disable inheritance from many tables in a query like
> "delete from pg_inherits where inhparent=20473" instead alter table ...
> but is safe? which is the risk for database if i delete it?
This seems really dangerous. You're certainly missing the pg_depend
linkages, not to mention attribute inheritance counts in pg_attribute,
and there may be other things I'm not remembering offhand.
Why can't you use the normal ALTER TABLE approach?
regards, tom lane